Pinnules hi-res stock photography and images - Page 8

. The book of choice ferns : for the garden, conservatory, and stove : describing and giving explicit cultural directions for the best and most striking ferns and selaginellas in cultivation. Illustrated with coloured plates and numerous wood engravings, specially prepared for this work . Ferns; Ferns. PELL^A. 63 P. i. serratifolia—ser-ra-tif-ol'-i-a (having saw-edged leaves), Hooker. In this variety, which is also known under the name of Pteris fallax, and which partakes of the same habit and dimensions as the species, the pinnules (leafits) are distinctly toothed.—Hooker, Second Century of F Stock Photo

RMRDE4X1–. The book of choice ferns : for the garden, conservatory, and stove : describing and giving explicit cultural directions for the best and most striking ferns and selaginellas in cultivation. Illustrated with coloured plates and numerous wood engravings, specially prepared for this work . Ferns; Ferns. PELL^A. 63 P. i. serratifolia—ser-ra-tif-ol'-i-a (having saw-edged leaves), Hooker. In this variety, which is also known under the name of Pteris fallax, and which partakes of the same habit and dimensions as the species, the pinnules (leafits) are distinctly toothed.—Hooker, Second Century of F

. Our ferns in their haunts; a guide to all the native species. Ferns. length of three feet. The crosiers are of interest from the colours they present early in the year. In some va- rieties the stipes are a clear wine colour with light, thin scales and contrast very prettily with the yellow-green of the uncoiling blades. The blades themselves are on long stipes and are exceedingly variable in the cutting of the pinnules. Nearly a hundred varieties from Europe have been described. The com- monest form with us is prob- ably that with oblong-ovate, acute, twice pinnate fronds with the secondary Stock Photo

RMRDE7XC–. Our ferns in their haunts; a guide to all the native species. Ferns. length of three feet. The crosiers are of interest from the colours they present early in the year. In some va- rieties the stipes are a clear wine colour with light, thin scales and contrast very prettily with the yellow-green of the uncoiling blades. The blades themselves are on long stipes and are exceedingly variable in the cutting of the pinnules. Nearly a hundred varieties from Europe have been described. The com- monest form with us is prob- ably that with oblong-ovate, acute, twice pinnate fronds with the secondary

. Bulletin - United States National Museum. Science. MONOGRAPH OF THE EXISTING CRINOIDS. 169. FIG 105 -LATERAL VIEW OF A SPECIMEN OF ANTEDON MEDITERRANEA FROM NAPLES, SHOWINO THE RELATE PROPORTIONS OF THE ARMS, PINNULES, CENTRODORSAL, AND CIRRI. 7914(i°—Bull. 82—15 12. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Sm Stock Photo

RMRG76Y1–. Bulletin - United States National Museum. Science. MONOGRAPH OF THE EXISTING CRINOIDS. 169. FIG 105 -LATERAL VIEW OF A SPECIMEN OF ANTEDON MEDITERRANEA FROM NAPLES, SHOWINO THE RELATE PROPORTIONS OF THE ARMS, PINNULES, CENTRODORSAL, AND CIRRI. 7914(i°—Bull. 82—15 12. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Sm

. Our ferns in their haunts; a guide to all the native species. Ferns. 3o8 KEY TO THE GENERA.. Sori near the margins. Indusia formed by the reflexed edges of the pinnules. c. Sporangia in a continuous nit fronds large, lernate; indusium narrow. Bracken. Pteris. 69 0^=== r.-^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Clute, Willard Nelson, b. 1869. New York, F. A. Stokes Co Stock Photo

RMRDE71G–. Our ferns in their haunts; a guide to all the native species. Ferns. 3o8 KEY TO THE GENERA.. Sori near the margins. Indusia formed by the reflexed edges of the pinnules. c. Sporangia in a continuous nit fronds large, lernate; indusium narrow. Bracken. Pteris. 69 0^=== r.-^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Clute, Willard Nelson, b. 1869. New York, F. A. Stokes Co

RMRHCTFE–. The book of choice ferns for the garden, conservatory. and stove : describing and giving explicit cultural directions for the best and most striking ferns and selaginellas in cultivation. Illustrated with coloured plates amd numerous wood engravings. Identification; Ferns. PELLALA. P. i. serratifolia—ser-ra-tif-ol'-i-a (having saw-edged leaves), Hooker. In this variety, which is also known under the name of Pteris fallax, and which partakes of the same habit and dimensions as the species, the pinnules (leafits) are distinctly toothed.—Hooker, Second Century of Ferns, t. 72. Nicholson, Dictio

. The elements of structural botany with special reference to the study of Canadian plants ... Plant physiology; Plant anatomy. FliBNS. lobes the veining is represented. Here the veins are not free, imt as they form a net-work they are said to be reticulated. You will look in vain on this frond for fruit-dots, but beside it grows. Fig. 266. Fig. 268. Fig. 269. another, very different in appearance,—so different that you will hardly believe it to be a frond at all. It is shown in Pig. 267. It •is twice pinnate, the pinnules being little globular bodies, one of. Please note that these images are Stock Photo

RMRE1EWA–. The elements of structural botany with special reference to the study of Canadian plants ... Plant physiology; Plant anatomy. FliBNS. lobes the veining is represented. Here the veins are not free, imt as they form a net-work they are said to be reticulated. You will look in vain on this frond for fruit-dots, but beside it grows. Fig. 266. Fig. 268. Fig. 269. another, very different in appearance,—so different that you will hardly believe it to be a frond at all. It is shown in Pig. 267. It •is twice pinnate, the pinnules being little globular bodies, one of. Please note that these images are

. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. 212. THE BLADDER FERNS. striking and little attention is paid to them. The variety dcntata has narrow bipinnate fronds with blunt pinna; and pinnules, the latter toothed. The variety atigustata has broad, nearly tri- pinnatc fronds witli acute, rather lan- ceolate, pinnules with sharply toothed lobes. Variety laciiiiata has the pinnules cut into irregular narrow teeth. The author once collected this species in the mountains of a tropi- cal islan('. where it grew in the crevices of a ledge that interru Stock Photo

RMREMHC5–. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. 212. THE BLADDER FERNS. striking and little attention is paid to them. The variety dcntata has narrow bipinnate fronds with blunt pinna; and pinnules, the latter toothed. The variety atigustata has broad, nearly tri- pinnatc fronds witli acute, rather lan- ceolate, pinnules with sharply toothed lobes. Variety laciiiiata has the pinnules cut into irregular narrow teeth. The author once collected this species in the mountains of a tropi- cal islan('. where it grew in the crevices of a ledge that interru

. The Cambridge natural history. Zoology. 6i8 ECHINODERMATA The eggs are comparatively large and full of food-yolk, and they adhere for a considerable period to the pinnules. They pass through a large portion of the development within the egg- membrane. The blastula and gastrula are formed in the usual way, but the formation of the coelom is most remarkable (Fig. 287, E E^). The archenteron divides into anterior and posterior. Fia. 294.—Three views of the development of Antedon rosacea. A, free-swimming larva ; B, longitudinal section of free-swimming larva; C, oral view of young fixed form. Stock Photo

RMRDMC3W–. The Cambridge natural history. Zoology. 6i8 ECHINODERMATA The eggs are comparatively large and full of food-yolk, and they adhere for a considerable period to the pinnules. They pass through a large portion of the development within the egg- membrane. The blastula and gastrula are formed in the usual way, but the formation of the coelom is most remarkable (Fig. 287, E E^). The archenteron divides into anterior and posterior. Fia. 294.—Three views of the development of Antedon rosacea. A, free-swimming larva ; B, longitudinal section of free-swimming larva; C, oral view of young fixed form.

. Fern growing. Fifty years' experience in crossing and cultivation, with a list of the most important varieties and a history of the discovery of multiple parentage, etc.. Ferns; Multiple parentage. 9° FERN GROWING the frond bifid ; Caterina (Fig. 23), narrow, showing the in- fluence of Frizcllce to reduce the width of the frond, branching in the pecuHar manner of Hozvardcc, revolved pinnules as in Harrisa, and brachiate, depauperate, or nal-zed, the upper portion most depauperated. EXPERBIENT NO. IX. In 1888 the spores from three varieties of Scolopendrijtm vulgiwe were sown to- gether, viz. Stock Photo

RMRE1HDJ–. Fern growing. Fifty years' experience in crossing and cultivation, with a list of the most important varieties and a history of the discovery of multiple parentage, etc.. Ferns; Multiple parentage. 9° FERN GROWING the frond bifid ; Caterina (Fig. 23), narrow, showing the in- fluence of Frizcllce to reduce the width of the frond, branching in the pecuHar manner of Hozvardcc, revolved pinnules as in Harrisa, and brachiate, depauperate, or nal-zed, the upper portion most depauperated. EXPERBIENT NO. IX. In 1888 the spores from three varieties of Scolopendrijtm vulgiwe were sown to- gether, viz.

. Bulletin - United States National Museum. Science. 184 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. ramules, and that their present status of pinnules has been due to the rapid increase in the perfection of the arm, extending from the base outward, in the direction of a linear series of supporting ossicles. In species of a number of comatulid genera one or more of the proximal pin- nules are normally or occasionally absent, though except for the lack of a pinnule socket the accompanying muscular articulations are of the usual character. This occurs in the genera Comatilia, Petasometra, Gylloj Stock Photo

RMRG67WF–. Bulletin - United States National Museum. Science. 184 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. ramules, and that their present status of pinnules has been due to the rapid increase in the perfection of the arm, extending from the base outward, in the direction of a linear series of supporting ossicles. In species of a number of comatulid genera one or more of the proximal pin- nules are normally or occasionally absent, though except for the lack of a pinnule socket the accompanying muscular articulations are of the usual character. This occurs in the genera Comatilia, Petasometra, Gylloj

. Studies in fossil botany . Paleobotany. PECOPTERIDEAE 467 are attached at the ends of the stout lateral veins of the pinnules (see Fig. 175). They are described as forming a wide angle, when in the natural condition, with the plane of the lamina, so that they no doubt hung down freely from the under side of the fertile frond. The seeds, like those of Aneimites, are winged (Fig. 175), and resemble Samaropsis, the seed of the Gymnosperm Porycordaites (see p. 520) so closely, that the two may easily be confused when found isolated. The species P. Pluck- eneti belongs to a section of the genus c Stock Photo

RMRDBC6N–. Studies in fossil botany . Paleobotany. PECOPTERIDEAE 467 are attached at the ends of the stout lateral veins of the pinnules (see Fig. 175). They are described as forming a wide angle, when in the natural condition, with the plane of the lamina, so that they no doubt hung down freely from the under side of the fertile frond. The seeds, like those of Aneimites, are winged (Fig. 175), and resemble Samaropsis, the seed of the Gymnosperm Porycordaites (see p. 520) so closely, that the two may easily be confused when found isolated. The species P. Pluck- eneti belongs to a section of the genus c

. A history of British ferns. Ferns. 128 MARSH FERN. and very fragile ; the texture thin and almost membranaceous; the colour pale green. The fertile frond differs in being much more taU and robust, and in having the margins of the pinnules convolute, and the pinnules themselves are thus rendered nar- rower, and apparently more distant. The lateral veins of the pinnules are alter- nate ; they are forked almost immedi- ately on leaving the midvein, and each branch proceeds to the margin of the pin- nule (as shown at page 123), bearing a nearly circular cluster of capsules about midway between t Stock Photo

RMRE1HF5–. A history of British ferns. Ferns. 128 MARSH FERN. and very fragile ; the texture thin and almost membranaceous; the colour pale green. The fertile frond differs in being much more taU and robust, and in having the margins of the pinnules convolute, and the pinnules themselves are thus rendered nar- rower, and apparently more distant. The lateral veins of the pinnules are alter- nate ; they are forked almost immedi- ately on leaving the midvein, and each branch proceeds to the margin of the pin- nule (as shown at page 123), bearing a nearly circular cluster of capsules about midway between t

. Bulletin. Ethnology. Figure 15.—Rain shelters for protecting boat cargoes. (Sec. 296.) A, Dalibanna leaves on two turu-palm laths (Wapishana, Taruma). B, Dalibanna leaves on plaited spinous-palm leaves (Taruma, Waiwai) (B), made by Taruma and Waiwai, use is made of the large *'pim- pler palm" leaf, with the pimiules of the one half "broken"—i. e., bent over each preceding one and passed over the midrib, under their corresponding j4 pinnules, where they are plaited into those of the other half. The pinnules that have been broken are twisted so as to have their undersurfaces u Stock Photo

RMRGYT5E–. Bulletin. Ethnology. Figure 15.—Rain shelters for protecting boat cargoes. (Sec. 296.) A, Dalibanna leaves on two turu-palm laths (Wapishana, Taruma). B, Dalibanna leaves on plaited spinous-palm leaves (Taruma, Waiwai) (B), made by Taruma and Waiwai, use is made of the large *'pim- pler palm" leaf, with the pimiules of the one half "broken"—i. e., bent over each preceding one and passed over the midrib, under their corresponding j4 pinnules, where they are plaited into those of the other half. The pinnules that have been broken are twisted so as to have their undersurfaces u

. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. Asplenium Belangeri. 00. Pinnce longer, with scattered narrowly linear segments. 24. viviparum, Presl. Lvs. 15-24in. long, 6-8 in. wide, on rather short stalks with pinnatifld pinnules and ulti- mate segments, which are narrowly linear and often forked : plant often bulb-bearing, like A. bulbiferum. Mauritius a Stock Photo

RMRD5170–. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. Asplenium Belangeri. 00. Pinnce longer, with scattered narrowly linear segments. 24. viviparum, Presl. Lvs. 15-24in. long, 6-8 in. wide, on rather short stalks with pinnatifld pinnules and ulti- mate segments, which are narrowly linear and often forked : plant often bulb-bearing, like A. bulbiferum. Mauritius a

. Fossil plants : for students of botany and geology . Paleobotany. XXIl] DACTYLOTHECA 405 pinnae are subtended by two Aphlebiae (fig. 293, A) appressed to the rachis, like the delicate leaves of the recent fern Tera- tophyllum aculeatum (see page 301). The sporangia (0"5—0"65) are oval and exannulate and are attached parallel to the lateral veins; they may occupy the whole of the space between the midrib and the edge of the pinnules. This species occurs in the Upper, Middle, and Lower Coal-Measures of Britain, reaching. "^ ^ftJ^QA. Fig. 292. Dactylothecaplmnosa. (After Kidston. Stock Photo

RMRDF4GN–. Fossil plants : for students of botany and geology . Paleobotany. XXIl] DACTYLOTHECA 405 pinnae are subtended by two Aphlebiae (fig. 293, A) appressed to the rachis, like the delicate leaves of the recent fern Tera- tophyllum aculeatum (see page 301). The sporangia (0"5—0"65) are oval and exannulate and are attached parallel to the lateral veins; they may occupy the whole of the space between the midrib and the edge of the pinnules. This species occurs in the Upper, Middle, and Lower Coal-Measures of Britain, reaching. "^ ^ftJ^QA. Fig. 292. Dactylothecaplmnosa. (After Kidston.

. A history of British ferns. Ferns. DETOPTEEIS FttlX-MAS. 193 apex, elongate-triangiilar, the basal pair very short, and almost equilateral, but having all the angles rounded, the succeeding ones gradually increase in length, but the interspaces decrease; the lower pair of pinnee are pinnate, but the upper ones only pinnatifid: pinnules adnate, and, except the basal pair, decur- rent, very closely approximate, very blunt and rounded, serrated; the teeth of the serratures broad and blunt: clusters of capsules reniform, generally two, sometimes three, at the base of each pinnule; these form a s Stock Photo

RMRE1HC8–. A history of British ferns. Ferns. DETOPTEEIS FttlX-MAS. 193 apex, elongate-triangiilar, the basal pair very short, and almost equilateral, but having all the angles rounded, the succeeding ones gradually increase in length, but the interspaces decrease; the lower pair of pinnee are pinnate, but the upper ones only pinnatifid: pinnules adnate, and, except the basal pair, decur- rent, very closely approximate, very blunt and rounded, serrated; the teeth of the serratures broad and blunt: clusters of capsules reniform, generally two, sometimes three, at the base of each pinnule; these form a s

RMRHDHMY–. The book of choice ferns for the garden, conservatory. and stove : describing and giving explicit cultural directions for the best and most striking ferns and selaginellas in cultivation. Illustrated with coloured plates amd numerous wood engravings. Identification; Ferns. 56 THE BOOK OF CHOICE FERNS. shaped and bipinnate (twice cut down to the midrib). The numerous pinnse (leaflets), of a somewhat leathery texture, are closely set, spreading at right angles from the rachis (stalk of the leafy portion), and furnished on each side with eight to ten small, bead-like, sessile pinnules (stalkles

. Our ferns in their haunts; a guide to all the native species. Ferns. BORDER SPECIES. 287 grow in tufts from a small rootstock. They have dark, shining stipes and rachids and are three or four times pinnate. The blades are triangular ovate and the pinnae ovate and mostly stalked. The ultimate pinnules are very small and covered beneath with a whitish waxy powder. This powder or farina is very common in other species of this group and ap- pears to serve as a protection from too great an evaporation of moisture, since the species pos- sessing it are all inhabitants of dry and sunny places. The Stock Photo

RMRDE73F–. Our ferns in their haunts; a guide to all the native species. Ferns. BORDER SPECIES. 287 grow in tufts from a small rootstock. They have dark, shining stipes and rachids and are three or four times pinnate. The blades are triangular ovate and the pinnae ovate and mostly stalked. The ultimate pinnules are very small and covered beneath with a whitish waxy powder. This powder or farina is very common in other species of this group and ap- pears to serve as a protection from too great an evaporation of moisture, since the species pos- sessing it are all inhabitants of dry and sunny places. The

. Fossil plants : for students of botany and geology . Paleobotany. XXVIl] WEICHSELIA 495 Frond bipinnate, rachis broad ; pinnae very long, of uniform breadth and with prominent axes ; pinnules crowded, entire, with obtuse apex, usually oblong but more or less triangular or rounded towards the distal. B il l^.^ ^AX. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Seward, A. C. (Albert Charles), 1863-1941. Cambridge : Univ Stock Photo

RMRDFE1Y–. Fossil plants : for students of botany and geology . Paleobotany. XXVIl] WEICHSELIA 495 Frond bipinnate, rachis broad ; pinnae very long, of uniform breadth and with prominent axes ; pinnules crowded, entire, with obtuse apex, usually oblong but more or less triangular or rounded towards the distal. B il l^.^ ^AX. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Seward, A. C. (Albert Charles), 1863-1941. Cambridge : Univ

RMRHDFJE–. The book of choice ferns for the garden, conservatory. and stove : describing and giving explicit cultural directions for the best and most striking ferns and selaginellas in cultivation. Illustrated with coloured plates amd numerous wood engravings. Identification; Ferns. 618 THE BOOK OF CHOICE FERNS. the central pinnae (leaflets), lfih. long, having their lower pinnules (leaiitsj cut down into several simple or forked, linear segments. The somewhat elongated sori (spore masses) are disposed one on the vein of each lobe or segment.—Hooker, Synopsis PiMc/um, p. 220. Eaton, Ferns of North Ame

. Studies in fossil botany . Paleobotany. MEDULLOSEAE 451 discovered by Mr. Kidston, in nodules from the Middle Coal-measures of Dudley, attached to a rachis bearing the characteristic pinnules of Neuropteris heterophylla l (Fig. 169). The specimens are casts, not petrifactions, so no detailed study of structure has been possible, but the ex- ternal characters leave no doubt that the organs in question are seeds. They are of the radially symmetrical type, and the testa has a fibrous structure. Chiefly on account of the latter character Mr. Kidston refers the seeds to the genus Rhab do carpus o Stock Photo

RMRDBC86–. Studies in fossil botany . Paleobotany. MEDULLOSEAE 451 discovered by Mr. Kidston, in nodules from the Middle Coal-measures of Dudley, attached to a rachis bearing the characteristic pinnules of Neuropteris heterophylla l (Fig. 169). The specimens are casts, not petrifactions, so no detailed study of structure has been possible, but the ex- ternal characters leave no doubt that the organs in question are seeds. They are of the radially symmetrical type, and the testa has a fibrous structure. Chiefly on account of the latter character Mr. Kidston refers the seeds to the genus Rhab do carpus o

. Catalogue of the Mesozoic plants in the Department of Geology, British Museum (Natural History). British Museum (Natural History). Dept. of Geology; Paleobotany -- Mesozoic; Paleobotany -- England London. 66 MATONIDIUM. their identity witli Matonidmm. The position of the pinnae shows a gradual convergence towards a point of attachment. The elliptical or oval sori are distinctly shown on the lower surface of the pinnules. Ecclesbourne. Rufford Coll.. Fig. 7.—Matonidium Gopperti (Ett.), showing portion of a fertile pinna {a) (V. 2218). V. 721. Eachis very prominent; some of the pinnules with s Stock Photo

RMRF0G60–. Catalogue of the Mesozoic plants in the Department of Geology, British Museum (Natural History). British Museum (Natural History). Dept. of Geology; Paleobotany -- Mesozoic; Paleobotany -- England London. 66 MATONIDIUM. their identity witli Matonidmm. The position of the pinnae shows a gradual convergence towards a point of attachment. The elliptical or oval sori are distinctly shown on the lower surface of the pinnules. Ecclesbourne. Rufford Coll.. Fig. 7.—Matonidium Gopperti (Ett.), showing portion of a fertile pinna {a) (V. 2218). V. 721. Eachis very prominent; some of the pinnules with s

RMRHDGAM–. The book of choice ferns for the garden, conservatory. and stove : describing and giving explicit cultural directions for the best and most striking ferns and selaginellas in cultivation. Illustrated with coloured plates amd numerous wood engravings. Identification; Ferns. ASPIDIUM. 469 (leafits) provided with aristate (awned) teeth. The weak, straw-coloured rachis (stalk of the leafy portion of the frond) is densely scaly throughout. The sori (spore masses) fill up nearly the whole breadth of the pinnules between the edge and the midrib. Fig. 71 is reduced from Col. Beddome's "Ferns of

. The American florist : a weekly journal for the trade. Floriculture; Florists. 1278 The American Florist. Dec. 2 parent form did not betray the slight- est sign. Although all but one of the thirty plants were singularly alike, there were marked individual differ- ences in the ultimate development of their growth. The exception, named "plumosum" (Green), assumed a beautiful decom- posite development, since instead of the long pinnules, the pinna? divided and sub-divided on feathery lines, the fronds were broader and more imbri- cate in growth, and hence quite dis- tinct. Of the rema Stock Photo

RMRP0EXA–. The American florist : a weekly journal for the trade. Floriculture; Florists. 1278 The American Florist. Dec. 2 parent form did not betray the slight- est sign. Although all but one of the thirty plants were singularly alike, there were marked individual differ- ences in the ultimate development of their growth. The exception, named "plumosum" (Green), assumed a beautiful decom- posite development, since instead of the long pinnules, the pinna? divided and sub-divided on feathery lines, the fronds were broader and more imbri- cate in growth, and hence quite dis- tinct. Of the rema

. Fossil plants : for students of botany and geology . Paleobotany. "••viSiiy JTiG. 407. A, B. Crossotheca Hoeninghausi. C. Pinnule with a sporangium, ;i. (A, Kidston CoU. 1277; B, after Kidston; C, Camb. Botany School. 508.) we any evidence of the association with Lyginopteris fronds of sporangia other than those of the Crossotheca type? Prof. Chodat^ believes that certain petrified fragments of pinnules occasionally met with in the calcareous nodules bearing sessile and apparently annulate sporangia belong to Lyginopteris fronds. These sporangia appear to be identical with those named b Stock Photo

RMRDFE36–. Fossil plants : for students of botany and geology . Paleobotany. "••viSiiy JTiG. 407. A, B. Crossotheca Hoeninghausi. C. Pinnule with a sporangium, ;i. (A, Kidston CoU. 1277; B, after Kidston; C, Camb. Botany School. 508.) we any evidence of the association with Lyginopteris fronds of sporangia other than those of the Crossotheca type? Prof. Chodat^ believes that certain petrified fragments of pinnules occasionally met with in the calcareous nodules bearing sessile and apparently annulate sporangia belong to Lyginopteris fronds. These sporangia appear to be identical with those named b

. Acadian geology [microform] : the geological structure, organic remains and mineral resources of Nova Scotia, New Brunswick and Prince Edward Island. Geology; Paleontology; Geology; Geology; Geologie; Paléontologie; Géologie; Géologie. 546 THE DEVONIAN PERIOD. h i: :' The leaves of the present species are very abundant in the shales of the vicinity of St John, and indeed are eminently character- istic of them; and on this account I regard the dedication of it to my late lamented friend, Dr Ilobb, as specially appropriate. I have Fig. 191.—Cycloptcria Jacksoni.. (a and b), Pinnules showing ve Stock Photo

RMRJ41RN–. Acadian geology [microform] : the geological structure, organic remains and mineral resources of Nova Scotia, New Brunswick and Prince Edward Island. Geology; Paleontology; Geology; Geology; Geologie; Paléontologie; Géologie; Géologie. 546 THE DEVONIAN PERIOD. h i: :' The leaves of the present species are very abundant in the shales of the vicinity of St John, and indeed are eminently character- istic of them; and on this account I regard the dedication of it to my late lamented friend, Dr Ilobb, as specially appropriate. I have Fig. 191.—Cycloptcria Jacksoni.. (a and b), Pinnules showing ve

. Bulletin - United States National Museum. Science. MONOGRAPH OF THE EXISTING CRINOIDS. 153. FIG 93-Lateral ^â n:w or a specimen of Piilometra macronema trom Pirk Hartoq Island, showing the relative PBOPORTIONS OF THE ARMS, PINNULES, CENTRODOKSAL, AND CIRRL 79140Â°âBull. 82â15 11. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Wa Stock Photo

RMRG771N–. Bulletin - United States National Museum. Science. MONOGRAPH OF THE EXISTING CRINOIDS. 153. FIG 93-Lateral ^â n:w or a specimen of Piilometra macronema trom Pirk Hartoq Island, showing the relative PBOPORTIONS OF THE ARMS, PINNULES, CENTRODOKSAL, AND CIRRL 79140Â°âBull. 82â15 11. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Wa

. Our ferns in their haunts; a guide to all the native species. Ferns. 286 BORDER SPECIES. At maturity the pinnules partly unroll and become more less flattened. Specimens intergrading between fer- tile and sterile fronds are someti-fnes found. There are but two species of Crypto- gramtna in the world. The second species inhabits the northern and elevated portions of the Eastern Hemisphere. The two are very much alike and our species was formerly con- sidered a variety of the other. A few botanists now incline to add the slender cliff brake to this genus, which shows among other things, that t Stock Photo

RMRDE73K–. Our ferns in their haunts; a guide to all the native species. Ferns. 286 BORDER SPECIES. At maturity the pinnules partly unroll and become more less flattened. Specimens intergrading between fer- tile and sterile fronds are someti-fnes found. There are but two species of Crypto- gramtna in the world. The second species inhabits the northern and elevated portions of the Eastern Hemisphere. The two are very much alike and our species was formerly con- sidered a variety of the other. A few botanists now incline to add the slender cliff brake to this genus, which shows among other things, that t

RMRHDGE0–. The book of choice ferns for the garden, conservatory. and stove : describing and giving explicit cultural directions for the best and most striking ferns and selaginellas in cultivation. Illustrated with coloured plates amd numerous wood engravings. Identification; Ferns. 430 THE BOOK OF CHOICE FERNS. to 2jft. in length and 6in. in width ; they are remarkable for their thick texture as also for the large size of their pinnules (leafits), which are more or less twin spiny-toothed : from this unusual character its varietal name was derived.—Lowe, Our Native Ferns, L, p. 77, fig. 46. A. a. bra

. Our ferns in their haunts; a guide to all the native species. Ferns. THE CHRISTMAS AND HOLLY FERNS The variety incisnm is frequently found with the typical plants. It is distinguished by the deeply toothed pinnules and by the way in which the sori are borne. These are not confined entirely to the narrowed upper part of the frond, but continue downward on the tips of the other pinnae, growing fewer in number toward the base. In rich shady woods,one sometimes comes upon another form which is here named variety crispiim. In this there seems to be a super- abundance of tissue in the fronds and t Stock Photo

RMRDDCP6–. Our ferns in their haunts; a guide to all the native species. Ferns. THE CHRISTMAS AND HOLLY FERNS The variety incisnm is frequently found with the typical plants. It is distinguished by the deeply toothed pinnules and by the way in which the sori are borne. These are not confined entirely to the narrowed upper part of the frond, but continue downward on the tips of the other pinnae, growing fewer in number toward the base. In rich shady woods,one sometimes comes upon another form which is here named variety crispiim. In this there seems to be a super- abundance of tissue in the fronds and t

. Studies in fossil botany . Paleobotany. MEDULLOSEAE 427 In some cases, pinnae of a different form, without a median nerve, and described under the name of Cyclopteris, were attached directly to the rachis, and may have been of a stipellar nature. These organs are of the same kind as the " Aphlebiae," mentioned in Chapter VIII. as occurring on the fronds of Ferns. In the genus Aletlw- pteris the leaves are likewise large, and bi- to tripinnate, but here the thick, usually oblong pinnules are inserted on the rachis by a broad, decurrent base, and are in some cases confluent with one Stock Photo

RMRDBC9P–. Studies in fossil botany . Paleobotany. MEDULLOSEAE 427 In some cases, pinnae of a different form, without a median nerve, and described under the name of Cyclopteris, were attached directly to the rachis, and may have been of a stipellar nature. These organs are of the same kind as the " Aphlebiae," mentioned in Chapter VIII. as occurring on the fronds of Ferns. In the genus Aletlw- pteris the leaves are likewise large, and bi- to tripinnate, but here the thick, usually oblong pinnules are inserted on the rachis by a broad, decurrent base, and are in some cases confluent with one

. Bulletin - United States National Museum. Science. MONOGRAPH or THE EXISTING CBINOIDS. 145 specialized and has become very slender, delicate, and flexible, with numerous seg- ments, the second, and usually also one or two additional pairs, has become greatly enlarged, swollen, and stiffened, either flagellate distally or ending in a sharp spine. These enlarged and stiffened pinnules point diagonally upward and form a rigid and more or less spinous pro- tective covering over the disk, beneath which is the network formed by the slender tactile pinnules. This arrangement reaches its greatest pe Stock Photo

RMRG76P4–. Bulletin - United States National Museum. Science. MONOGRAPH or THE EXISTING CBINOIDS. 145 specialized and has become very slender, delicate, and flexible, with numerous seg- ments, the second, and usually also one or two additional pairs, has become greatly enlarged, swollen, and stiffened, either flagellate distally or ending in a sharp spine. These enlarged and stiffened pinnules point diagonally upward and form a rigid and more or less spinous pro- tective covering over the disk, beneath which is the network formed by the slender tactile pinnules. This arrangement reaches its greatest pe

. Our ferns in their haunts; a guide to all the native species. Ferns. THE MARSH FERN TRIBE. The first fronds are always sterile. They are thin, lanceolate, broad at base and once pinnate, with the pinnae set at right angles to the rachis. The latter are ob- long-linear, pointed and cut nearly to the midrib into many close, short, rather sori. rounded lobes. Bipinnate fronds with toothed or pinnat- ifid pinnules also occur. It is not until about the middle of July or later that the fertile fronds are produced. They are like the sterile in form, except that the pinnules are somewhat narrower an Stock Photo

RMRDDCJ0–. Our ferns in their haunts; a guide to all the native species. Ferns. THE MARSH FERN TRIBE. The first fronds are always sterile. They are thin, lanceolate, broad at base and once pinnate, with the pinnae set at right angles to the rachis. The latter are ob- long-linear, pointed and cut nearly to the midrib into many close, short, rather sori. rounded lobes. Bipinnate fronds with toothed or pinnat- ifid pinnules also occur. It is not until about the middle of July or later that the fertile fronds are produced. They are like the sterile in form, except that the pinnules are somewhat narrower an

. The Canadian record of science. Natural history. 302 Canadian Record of Science. or is it simply a case of distribution in space ? An examination of thea normal pinna shows that its length bears the relation to the length of the modified pinna, of 1:1.75. In the normal pinnae the veinlets number 8 per centimetre, and they there- fore have an average interval of 1.25 mm. In the modified pinnae, on the other hand, the midribs of the pinnules which are, of course, the anatomical equivalents of the veinlets in the normal pinnae, number 1.66 per centimetre, and they are there- fore seperated by a Stock Photo

RMRFW92G–. The Canadian record of science. Natural history. 302 Canadian Record of Science. or is it simply a case of distribution in space ? An examination of thea normal pinna shows that its length bears the relation to the length of the modified pinna, of 1:1.75. In the normal pinnae the veinlets number 8 per centimetre, and they there- fore have an average interval of 1.25 mm. In the modified pinnae, on the other hand, the midribs of the pinnules which are, of course, the anatomical equivalents of the veinlets in the normal pinnae, number 1.66 per centimetre, and they are there- fore seperated by a

. Bulletin - United States National Museum. Science. MONOGRAPH OF THE EXISTING CBINOIDS. 157. Fia. OS. Fio. 95.—Lateral tew of a specimen of Tiulassometka ^^LLosA from tiik wester-v Aikutian Islands, showdco rm RELATIVE PROPORTIONS OF THE ARMS, PINNULES, CENTRODORSAL AND CIRRL. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washi Stock Photo

RMRG7714–. Bulletin - United States National Museum. Science. MONOGRAPH OF THE EXISTING CBINOIDS. 157. Fia. OS. Fio. 95.—Lateral tew of a specimen of Tiulassometka ^^LLosA from tiik wester-v Aikutian Islands, showdco rm RELATIVE PROPORTIONS OF THE ARMS, PINNULES, CENTRODORSAL AND CIRRL. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washi

. Bulletin - United States National Museum. Science. U. S. NATIONAL MUSEUM BULLETIN 82, PART 2 PL. 38. Pentacrinoid Larv/e and Pinnules of Viviparous Comatulids. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off. Stock Photo

RMRG740F–. Bulletin - United States National Museum. Science. U. S. NATIONAL MUSEUM BULLETIN 82, PART 2 PL. 38. Pentacrinoid Larv/e and Pinnules of Viviparous Comatulids. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.

. Morphology of gymnosperms. Gymnosperms; Plant morphology. no MORPHOLOGY OF GYMNOSPERMS leaflets of the seedling are conspicuously spinulose, like the adult leaflets of D. spinulosum, but in older plants the margins are per- fectly smooth, the spinulose condition of the seedling of D. edule being a juvenile character indicating an ancestry with spinulose leaves (figs. 84-87). The venation is various; for example, the leaflets of Cycas have only a midrib without any branches; those of. Figs. 84-89.—Pinnules of cycads: fig. 84, part of leaf of seedling of Dioon edule; fig. 85, part of adult lea Stock Photo

RMRDG96D–. Morphology of gymnosperms. Gymnosperms; Plant morphology. no MORPHOLOGY OF GYMNOSPERMS leaflets of the seedling are conspicuously spinulose, like the adult leaflets of D. spinulosum, but in older plants the margins are per- fectly smooth, the spinulose condition of the seedling of D. edule being a juvenile character indicating an ancestry with spinulose leaves (figs. 84-87). The venation is various; for example, the leaflets of Cycas have only a midrib without any branches; those of. Figs. 84-89.—Pinnules of cycads: fig. 84, part of leaf of seedling of Dioon edule; fig. 85, part of adult lea

. The commonly occurring wild plants of Canada. A flora for the use of beginners. Botany. FERNS. 255 lobes the veining is represented. Here the veins are not free, but as they form a net-work they are said to be reticulated. You will look ia vaiu on this frond for fruit-dots, but beside it grows. Fig. 266. another, very different in appearance,—so different that you will hardly believe it to be a frond at all. It is shown in Fig. 267. It is twice pinnate, the pinnules being little globular bodies, one of. Please note that these images are extracted from scanned page images that may have been d Stock Photo

RMRDWPP0–. The commonly occurring wild plants of Canada. A flora for the use of beginners. Botany. FERNS. 255 lobes the veining is represented. Here the veins are not free, but as they form a net-work they are said to be reticulated. You will look ia vaiu on this frond for fruit-dots, but beside it grows. Fig. 266. another, very different in appearance,—so different that you will hardly believe it to be a frond at all. It is shown in Fig. 267. It is twice pinnate, the pinnules being little globular bodies, one of. Please note that these images are extracted from scanned page images that may have been d

. Bulletins of American paleontology. . Text-fig. 1. Reconstruction and inferred living position of Amygdalo- cystites florealis E. Billings. Illustrates the well-developed pinnules and their covering plates, the covering plates on the recumbent arms and the stellate prosopon patterns on the thecal plates. The canted theca is probably an adapta- tion to living in currents (Plate 4, figs. 6, 7).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble Stock Photo

RMRG9RPX–. Bulletins of American paleontology. . Text-fig. 1. Reconstruction and inferred living position of Amygdalo- cystites florealis E. Billings. Illustrates the well-developed pinnules and their covering plates, the covering plates on the recumbent arms and the stellate prosopon patterns on the thecal plates. The canted theca is probably an adapta- tion to living in currents (Plate 4, figs. 6, 7).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble

. Fossil plants : for students of botany and geology . Paleobotany. 542 PTERIDOSPERMS, ETC. [CH. Thinnfeldia rhomboidalis, Ettingshausen. Figs. 359, 360, C. Under this name Ettingshausen described the tjrpe-specimen of the genus from Lower Lias strata at Steierdorf in Hungary. He assigned the plant to the Coniferae on the ground of a resemblance of the pinnules to the phylloclades of Phyllodadus. Thinnfeldia rhomboidalis bears a close resemblance to T. odon- topteroides, but the pinnules are usually longer and narrower, as shown in the English specimen from the Lower Lias of. Fig. 359. Thinnfe Stock Photo

RMRDFDW7–. Fossil plants : for students of botany and geology . Paleobotany. 542 PTERIDOSPERMS, ETC. [CH. Thinnfeldia rhomboidalis, Ettingshausen. Figs. 359, 360, C. Under this name Ettingshausen described the tjrpe-specimen of the genus from Lower Lias strata at Steierdorf in Hungary. He assigned the plant to the Coniferae on the ground of a resemblance of the pinnules to the phylloclades of Phyllodadus. Thinnfeldia rhomboidalis bears a close resemblance to T. odon- topteroides, but the pinnules are usually longer and narrower, as shown in the English specimen from the Lower Lias of. Fig. 359. Thinnfe

. Catalogue of the Mesozoic plants in the Department of Geology, British Museum (Natural History) [Part I-II] The Wealden flora. Paleobotany; Paleobotany. 120 WEICHSBLIA. the frond is stiff and rigid; the axes of the pinnae are, like the main rachis, prominent and broad. Pinnules strong and rigid, inclined to the surface of the slab and to the axes of the pinnae. Venation clearly shown in some of the pinnules, e.g. those enlarged in the woodcut, Fig. 12. Towards the distal ends of the pinnae, the pinnules become shorter and approach a more triangular or deltoid form, which is, however, more cl Stock Photo

RMRDGAM7–. Catalogue of the Mesozoic plants in the Department of Geology, British Museum (Natural History) [Part I-II] The Wealden flora. Paleobotany; Paleobotany. 120 WEICHSBLIA. the frond is stiff and rigid; the axes of the pinnae are, like the main rachis, prominent and broad. Pinnules strong and rigid, inclined to the surface of the slab and to the axes of the pinnae. Venation clearly shown in some of the pinnules, e.g. those enlarged in the woodcut, Fig. 12. Towards the distal ends of the pinnae, the pinnules become shorter and approach a more triangular or deltoid form, which is, however, more cl

. Heredity and evolution in plants. Heredity; Plants. 6 HEREDITY AND EVOLUTION IN PLANTS that they are not all alike. Some of them are merely foliage-leaves, and do not differ in any essential point from the foliage-leaves of higher plants, such as the maple or lily; they possess stomata for the exchange of gases and. Fig. 7.—Portions of the sporophylls of two ferns to show the sori. On the left Poly podium punclatum (L.) Sw.; on the right a variety of Pleris longifoUa, with sporangia marginal on the pinnules. water-vapor with the outer air (Fig. 5), and they also resemble the leaves of higher Stock Photo

RMRDG1PE–. Heredity and evolution in plants. Heredity; Plants. 6 HEREDITY AND EVOLUTION IN PLANTS that they are not all alike. Some of them are merely foliage-leaves, and do not differ in any essential point from the foliage-leaves of higher plants, such as the maple or lily; they possess stomata for the exchange of gases and. Fig. 7.—Portions of the sporophylls of two ferns to show the sori. On the left Poly podium punclatum (L.) Sw.; on the right a variety of Pleris longifoUa, with sporangia marginal on the pinnules. water-vapor with the outer air (Fig. 5), and they also resemble the leaves of higher

. Our ferns in their haunts; a guide to all the native species. Ferns. KEY TO THE GENERA.. Qat^' Dickfiorua t t Indusium cup-shaped, fixed be- neath the sorus ; sori minute on a tooth of the ultimate pinnules ; fronds very finely cut. Boulder fern. . Dicksonia. 229. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Clute, Willard Nelson, b. 1869. New York, F. A. Stokes Co Stock Photo

RMRDE70F–. Our ferns in their haunts; a guide to all the native species. Ferns. KEY TO THE GENERA.. Qat^' Dickfiorua t t Indusium cup-shaped, fixed be- neath the sorus ; sori minute on a tooth of the ultimate pinnules ; fronds very finely cut. Boulder fern. . Dicksonia. 229. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Clute, Willard Nelson, b. 1869. New York, F. A. Stokes Co

. Carnegie Institution of Washington publication. Plate 2. FIG. 3. Rhizome, natural size, showing fork, leaf-bases, and leaf-shoots. FIG. 4. Leaf-bud with two unequal leaf-shoots, natural size. FIG. 5. Portion of pinna showing pinnules, lobes, crenations, sori, and hairs. X about 10.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Carnegie Institution of Washington. Washington, Carnegie Institution of Washington Stock Photo

RMRFRTNA–. Carnegie Institution of Washington publication. Plate 2. FIG. 3. Rhizome, natural size, showing fork, leaf-bases, and leaf-shoots. FIG. 4. Leaf-bud with two unequal leaf-shoots, natural size. FIG. 5. Portion of pinna showing pinnules, lobes, crenations, sori, and hairs. X about 10.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Carnegie Institution of Washington. Washington, Carnegie Institution of Washington

. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Ul.. I. Fruiting pinnule of the boulder fern, enlarged. 2. Fruiting pinnules of spleenwort, enlarged. the spores distinctly. The spore-cases may also be seen with a hand lens, the spores seeming then to be mere dust. The different ways the ferns blanket their spore-cases is a delightful study, and one which the pupils enjoy very much. All of our common ferns except the careless little polypody thus protect their spores. Whether this blanket be circular, or horse- shoe-shaped, or oblon Stock Photo

RMRDAYXE–. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Ul.. I. Fruiting pinnule of the boulder fern, enlarged. 2. Fruiting pinnules of spleenwort, enlarged. the spores distinctly. The spore-cases may also be seen with a hand lens, the spores seeming then to be mere dust. The different ways the ferns blanket their spore-cases is a delightful study, and one which the pupils enjoy very much. All of our common ferns except the careless little polypody thus protect their spores. Whether this blanket be circular, or horse- shoe-shaped, or oblon

. Our ferns in their haunts; a guide to all the native species. Ferns. THE BLADDER FERNS. striking and little attention is paid to them. The variety dentata has narrow bipinnate fronds with blunt pinnae and pinnules, the latter toothed. The variety angiistata has broad, nearly tri- pinnate fronds with acute, rather lan- ceolate, pinnules with sharply toothed lobes. Variety laciniata has the pinnules cut into irregular narrow teeth. The author once collected this species in the mountains of a tropi- cal island, where it grew in the crevices of a ledge that interrupted the flow of a mountain tor Stock Photo

RMRDE7J1–. Our ferns in their haunts; a guide to all the native species. Ferns. THE BLADDER FERNS. striking and little attention is paid to them. The variety dentata has narrow bipinnate fronds with blunt pinnae and pinnules, the latter toothed. The variety angiistata has broad, nearly tri- pinnate fronds with acute, rather lan- ceolate, pinnules with sharply toothed lobes. Variety laciniata has the pinnules cut into irregular narrow teeth. The author once collected this species in the mountains of a tropi- cal island, where it grew in the crevices of a ledge that interrupted the flow of a mountain tor

. British ferns and their varieties. Ferns. THE POLYSTICIIUMS 213. Fig. 246. r. ang. reti-ojlexiun (centre of frond). Retroflexum (Fig. 246).—Found by Mr. C. Jackson in Devon ; many of the pinnae bent sharply backwards, clasping the stem. Remoto-decurrens Padley.—Found in S. Devon; broad, confluent pinnules, spiny. Revolvens.—Wills and others ; fronds of normal make, but rolled symmetrically almost into tubes, very pretty.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustration Stock Photo

RMRH2AY9–. British ferns and their varieties. Ferns. THE POLYSTICIIUMS 213. Fig. 246. r. ang. reti-ojlexiun (centre of frond). Retroflexum (Fig. 246).—Found by Mr. C. Jackson in Devon ; many of the pinnae bent sharply backwards, clasping the stem. Remoto-decurrens Padley.—Found in S. Devon; broad, confluent pinnules, spiny. Revolvens.—Wills and others ; fronds of normal make, but rolled symmetrically almost into tubes, very pretty.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustration

RMRDAYY5–. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Ul.. I. Fruiting pinnule of the boulder fern, enlarged. 2. Fruiting pinnules of spleenwort, enlarged. the spores distinctly. The spore-cases may also be seen with a hand lens, the spores seeming then to be mere dust. The different ways the ferns blanket their spore-cases is a delightful study, and one which the pupils enjoy very much. All of our common ferns except the careless little polypody thus protect their spores. Whether this blanket be circular, or horse- shoe-shaped, or oblon

RMRDD2NN–. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 160. Asplenium Belangeh. CO. Pinnce longer, with scattered narrowly linear 24. viviparum, Presl. Lvs. 15-24in. long, &-8 in. wide, on rather short stalks with pinnatifid pinnules and ulti- mate segments, which are narrowly linear and often forked : plant often bulb-bearing, like A. hulbiferum. Mauritius and

. Acadian geology : the geological structure, organic remains, and mineral resources of Nova Scotia, New Brunswick, and Prince Edward Island. Geology -- New Brunswick; Geology -- Nova Scotia; Geology -- Prince Edward Island; Paleontology -- New Brunswick; Paleontology -- Nova Scotia; Paleontology -- Prince Edward Island. (a) Pinnules showing venation. {h) Fragment of stipe, (c) Stipe, Pinnules, and remains of fructification. least pressure, and be tilted in different directions and slipped up or down. The general dip of these beds, however, so far as it can be ascertained by putting together t Stock Photo

RMRR59A2–. Acadian geology : the geological structure, organic remains, and mineral resources of Nova Scotia, New Brunswick, and Prince Edward Island. Geology -- New Brunswick; Geology -- Nova Scotia; Geology -- Prince Edward Island; Paleontology -- New Brunswick; Paleontology -- Nova Scotia; Paleontology -- Prince Edward Island. (a) Pinnules showing venation. {h) Fragment of stipe, (c) Stipe, Pinnules, and remains of fructification. least pressure, and be tilted in different directions and slipped up or down. The general dip of these beds, however, so far as it can be ascertained by putting together t

RMRHDEW7–. The book of choice ferns for the garden, conservatory. and stove : describing and giving explicit cultural directions for the best and most striking ferns and selaginellas in cultivation. Illustrated with coloured plates amd numerous wood engravings. Identification; Ferns. NO THO CHL^NA. 605 pinnules (leafits) is slightly recurved, though it does not form a true involucre, such as is seen in the well-known C. farinosa, for instance, a Fern otherwise much like this species. In perfectly-developed plants the fronds of N'. Candida are broadly triangular in outline and bipinnate (Fig. 147), the

. The natural history of animals [microform] : containing the anatomical description of several creatures dissected by the Royal Academy of Sciences at Paris .... Zoology; Animals; Zoologie; Animaux. â -'^T-*^ -f^'^^^fpy^^fP'ZT^'^^v 8 The Meafure of the Earth, another little hollow Cylinder which is flipped within the firft X, and which carries the Eyc-Glafs of the Telelcope. The fixed dirtance between the two Pinnules E. F ought to be fuch that the anterior fece of the frame FF, where the Fifets of the Telefcope are fl:rained, do meet each other exadUy in the focus of the Objedl Glafs h and t Stock Photo

RMRHYPTD–. The natural history of animals [microform] : containing the anatomical description of several creatures dissected by the Royal Academy of Sciences at Paris .... Zoology; Animals; Zoologie; Animaux. â -'^T-*^ -f^'^^^fpy^^fP'ZT^'^^v 8 The Meafure of the Earth, another little hollow Cylinder which is flipped within the firft X, and which carries the Eyc-Glafs of the Telelcope. The fixed dirtance between the two Pinnules E. F ought to be fuch that the anterior fece of the frame FF, where the Fifets of the Telefcope are fl:rained, do meet each other exadUy in the focus of the Objedl Glafs h and t

RMRDGAMB–. Catalogue of the Mesozoic plants in the Department of Geology, British Museum (Natural History) [Part I-II] The Wealden flora. Paleobotany; Paleobotany. CLADOPHLEBIS. 97 V. 2215. Fig. 9. Portions of two pinnse attached to a racMs. Pinnules very distinct and show venation much more clearly than in the larger specimens; the denticulate margin is much, more evident in these. Fig. 9 (Y. 2215). Part of four pinnules of Cladophlebis Albertsii (Dunk.). Twice natural size. pinnules, four of which are shown in the Figure. All of the pinnules have very acute apices, and some are distinctly falcate. Ec

RMRER2AY–. The natural history of animals [microform] : containing the anatomical description of several creatures dissected by the Royal Academy of Sciences at Paris .... Zoology; Animals; Zoologie; Animaux. â -'^T-*^ -f^'^^^fpy^^fP'ZT^'^^v 8 The Meafure of the Earth, another little hollow Cylinder which is flipped within the firft X, and which carries the Eyc-Glafs of the Telelcope. The fixed dirtance between the two Pinnules E. F ought to be fuch that the anterior fece of the frame FF, where the Fifets of the Telefcope are fl:rained, do meet each other exadUy in the focus of the Objedl Glafs h and t

. Ferns: British & foreign. The history, organography, classification, and enumeration of the species of garden ferns with a treatise on their cultivation, etc. etc. Ferns. FERNS : BRUISE AND FOREIGN. 120a. ODONTOLOMA, /. 8m. Gen. Fil. 1841. Vernation uniserial, sarmentose. Fronds slender, 1—2 feet high, pinnate or bipinnate; pinnss and pinnules oblong-dimi- diate, the upper margin entire, dentate or incise-lobed. Gostce excentric. Veins unilateral; venules direct, free. Receptacles terminal, punctiform. Indusium subreniform, plane, its Bidea free, shorter than the subindusEoform margin. ^ Stock Photo

RMRDYH2P–. Ferns: British & foreign. The history, organography, classification, and enumeration of the species of garden ferns with a treatise on their cultivation, etc. etc. Ferns. FERNS : BRUISE AND FOREIGN. 120a. ODONTOLOMA, /. 8m. Gen. Fil. 1841. Vernation uniserial, sarmentose. Fronds slender, 1—2 feet high, pinnate or bipinnate; pinnss and pinnules oblong-dimi- diate, the upper margin entire, dentate or incise-lobed. Gostce excentric. Veins unilateral; venules direct, free. Receptacles terminal, punctiform. Indusium subreniform, plane, its Bidea free, shorter than the subindusEoform margin. ^

RMRDYHR9–. Ferns: British & foreign. The history, organography, classification, and enumeration of the species of garden ferns with a treatise on their cultivation, etc. etc. Ferns. 206 FEENS : BRITISH AND FOREIGN.. 106. ONOCLEA, L. Vernation traiscrial, distant; sarmentura hypogseous. Sterile fronds sub-bipinnatifid; veins reticulated. Fertile fronds bipinnate ; veins free; pinnules contracted, sessile; margins conniving, forming unilateral spikes (pinnae) of globose, bac- ciform segments, each, com- pactly filled with sporangia, which rise from four to six punctiform, medial receptacles. Special

RMRHDG2N–. The book of choice ferns for the garden, conservatory. and stove : describing and giving explicit cultural directions for the best and most striking ferns and selaginellas in cultivation. Illustrated with coloured plates amd numerous wood engravings. Identification; Ferns. 364 THE BOOK OF CHOICE FERNS. 2in. to 4in. broad, and bi- or tripinnatifid (twice or three times divided nearly to the midrib), are produced from a creeping rhizome (prostrate stem) densely covered with very narrow scales, and borne on slender, wiry, chestnut- brown, polished stalks 4in. to Gin. long. The pinnules (leafits

. Animal biology. Zoology; Biology. PHYLUM ECHINODERMATA 211 Of this phylum only starfishes and sea cucumbers are of much eco- nomic importance. As has been previously indicated, the starfishes are enemies of the oyster. Sea cucumbers are used as food among the. '?A bora/ Macfreponte fenfades Fig. 124.—A feather star, Antedon sp. From a preserved specimen. Natural size. The animal is in a breeding condition as shown by the dilatation of the base of the pinnules. islands and along the shores of the South Pacific Ocean and in China, the animals being dried and passing as articles of commerce und Stock Photo

RMRN5JK1–. Animal biology. Zoology; Biology. PHYLUM ECHINODERMATA 211 Of this phylum only starfishes and sea cucumbers are of much eco- nomic importance. As has been previously indicated, the starfishes are enemies of the oyster. Sea cucumbers are used as food among the. '?A bora/ Macfreponte fenfades Fig. 124.—A feather star, Antedon sp. From a preserved specimen. Natural size. The animal is in a breeding condition as shown by the dilatation of the base of the pinnules. islands and along the shores of the South Pacific Ocean and in China, the animals being dried and passing as articles of commerce und

RMRDYHXG–. Ferns: British & foreign. The history, organography, classification, and enumeration of the species of garden ferns with a treatise on their cultivation, etc. etc. Ferns. AN ENUHEBATION OF CULTIVATED tfEBNS. 187 stramineous; ultimate pinnules and lobes oblong-elliptical, cuneiform, mavginate, usually oblique. Veins pinnately forked, radiating; venules direct, apices of the sterile clavate, free, the. Genus 94.—Portion of frond, natural size; two ditto, enlarged. No. 1. fertile 2—4 converging and transversely combined by a thick impressed, sporangiferous marginal receptacle. Sori oblong,

. Our ferns in their haunts; a guide to all the native species. Ferns. Qat^' Dickfiorua t t Indusium cup-shaped, fixed be- neath the sorus ; sori minute on a tooth of the ultimate pinnules ; fronds very finely cut. Boulder fern. . Dicksonia. 229. Campti. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Clute, Willard Nelson, b. 1869. New York, F. A. Stokes Co Stock Photo

RMRDE708–. Our ferns in their haunts; a guide to all the native species. Ferns. Qat^' Dickfiorua t t Indusium cup-shaped, fixed be- neath the sorus ; sori minute on a tooth of the ultimate pinnules ; fronds very finely cut. Boulder fern. . Dicksonia. 229. Campti. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Clute, Willard Nelson, b. 1869. New York, F. A. Stokes Co

. Bulletin - United States National Museum. Science. 106 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. of all the outermost axillaries), an arm and a division series, or, abnormally but not infrequently, two exactly similar pinnules. While ordinarily a definite and fixed pair of structures is found on the distal end of the distal element of any given pair of ossicles united by nonmus- cular articulation, these pairs of structures are more or less interchangeable, and such interchange is a common source of variation. In Antedon bifida and in Leptonejnaster venustus nine-armed specimens have been Stock Photo

RMRG770D–. Bulletin - United States National Museum. Science. 106 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. of all the outermost axillaries), an arm and a division series, or, abnormally but not infrequently, two exactly similar pinnules. While ordinarily a definite and fixed pair of structures is found on the distal end of the distal element of any given pair of ossicles united by nonmus- cular articulation, these pairs of structures are more or less interchangeable, and such interchange is a common source of variation. In Antedon bifida and in Leptonejnaster venustus nine-armed specimens have been

. Studies in fossil botany . Paleobotany. FERNS—FRUCTIFICATIONS 293 lamina being well developed, like that of a vegetative frond rather than a specialised sporophyll. The pinnules are much incurved, and the sporangia are seated on their margins. In the section figured, several. Fig. 112.—Pieridotheca. Williamsonii. Group of annulate sporangia, seen in section, parallel to surface of frond. The sporangia contain numerous spores ; at «, the annulus is specially clear. /, /, r, parts of tissue of the fertile pinnules. X 36. S. Coll. 215 (Coal-measures). (G. T. G.) pinnules, cut in various planes, Stock Photo

RMRDBCKA–. Studies in fossil botany . Paleobotany. FERNS—FRUCTIFICATIONS 293 lamina being well developed, like that of a vegetative frond rather than a specialised sporophyll. The pinnules are much incurved, and the sporangia are seated on their margins. In the section figured, several. Fig. 112.—Pieridotheca. Williamsonii. Group of annulate sporangia, seen in section, parallel to surface of frond. The sporangia contain numerous spores ; at «, the annulus is specially clear. /, /, r, parts of tissue of the fertile pinnules. X 36. S. Coll. 215 (Coal-measures). (G. T. G.) pinnules, cut in various planes,

. British ferns and their varieties. Ferns. 192 BRITISH FERNS PoLYSTicHUM Angulare (The Soft Prickly Shield Fern) (Plate XXVIII) This beautiful evergreen species is closely allied to P. aciilcatum, the Hard Shield Fern, from which it differs in its softer texture, more delicate cutting, and the possession of definitely stalked. F)g. 216. P. anoiilare (pinna). pinnules (Fig. 216), instead of wedge-shaped, stalkless ones. Al- though perfectly hardy, its natural habitats do not extend so far north as do those of P, aculeatum, and it grows with the greater luxuriance in our warmer western counties Stock Photo

RMRH31NG–. British ferns and their varieties. Ferns. 192 BRITISH FERNS PoLYSTicHUM Angulare (The Soft Prickly Shield Fern) (Plate XXVIII) This beautiful evergreen species is closely allied to P. aciilcatum, the Hard Shield Fern, from which it differs in its softer texture, more delicate cutting, and the possession of definitely stalked. F)g. 216. P. anoiilare (pinna). pinnules (Fig. 216), instead of wedge-shaped, stalkless ones. Al- though perfectly hardy, its natural habitats do not extend so far north as do those of P, aculeatum, and it grows with the greater luxuriance in our warmer western counties

. Annotationes zoologicae japonenses / Nihon do?butsugaku iho?. 232 K. KINOSIIITA : ON A NEW ANTIPATIIARIAN two kinds may be distinguished : (a) branchlets probably homologous with the pinnules of Bathypathes and Schizopathes, 14 cm. in maximum length, 0.65 mm. in maximum diameter, arranged in two lateral longitudinal rows at intervals of 2.5-6 mm., and mostly directed obliquely above, the tips of these branchlets describing an ellipse of 16 x19 cm.; (b) those which are directed horizontally and are very densely set on the anterior surface of the stem in the same parts as the former kind, some Stock Photo

RMRMH6XW–. Annotationes zoologicae japonenses / Nihon do?butsugaku iho?. 232 K. KINOSIIITA : ON A NEW ANTIPATIIARIAN two kinds may be distinguished : (a) branchlets probably homologous with the pinnules of Bathypathes and Schizopathes, 14 cm. in maximum length, 0.65 mm. in maximum diameter, arranged in two lateral longitudinal rows at intervals of 2.5-6 mm., and mostly directed obliquely above, the tips of these branchlets describing an ellipse of 16 x19 cm.; (b) those which are directed horizontally and are very densely set on the anterior surface of the stem in the same parts as the former kind, some

. British ferns and their varieties. Ferns. BRITISH FERNS. V^Ji/' Fig. 225. /'. ang. foliosmn. FoLiosuM (Fig. 225).—Found by Mr. G. B. Wollaston in Hamp- shire ; a very fine, leaf}^ form with large pinnules and somewhat overlapping pinnae. Frondosum Jones.—Denselj^ foliose. F. BULBIFERUM JoNES.—Densely foliose and bulbiferous.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Druery, Chas. T. (Charles Thomas), 1843-1917. Lon Stock Photo

RMRH31G0–. British ferns and their varieties. Ferns. BRITISH FERNS. V^Ji/' Fig. 225. /'. ang. foliosmn. FoLiosuM (Fig. 225).—Found by Mr. G. B. Wollaston in Hamp- shire ; a very fine, leaf}^ form with large pinnules and somewhat overlapping pinnae. Frondosum Jones.—Denselj^ foliose. F. BULBIFERUM JoNES.—Densely foliose and bulbiferous.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Druery, Chas. T. (Charles Thomas), 1843-1917. Lon

. The biology of marine animals. Marine animals; Physiology, Comparative. RESPIRATION 143 within. Tubicolous polychaetes of the families Sabellariidae, Sabellidae and Serpulidae possess extensive branchial crowns which are essentially filter- feeding devices for extracting microscopic organisms from sea water (Chapter 5). The pinnules of the crown (Fig. 5.5) are thin-walled structures,. Fig. 4.3. Diagrammatic Representation of the Structure and Disposition of Gill Lamellae in Teleosts (a). Gill filaments on two adjacent gill arches, (b). Enlarged view of one gill filament. Large arrows indicat Stock Photo

RMRHK46M–. The biology of marine animals. Marine animals; Physiology, Comparative. RESPIRATION 143 within. Tubicolous polychaetes of the families Sabellariidae, Sabellidae and Serpulidae possess extensive branchial crowns which are essentially filter- feeding devices for extracting microscopic organisms from sea water (Chapter 5). The pinnules of the crown (Fig. 5.5) are thin-walled structures,. Fig. 4.3. Diagrammatic Representation of the Structure and Disposition of Gill Lamellae in Teleosts (a). Gill filaments on two adjacent gill arches, (b). Enlarged view of one gill filament. Large arrows indicat

. Ecological and systematic studies of the Ceylon species of Caulerpa. Marine algae. 138 CEYLON MARINE BIOLOGICAL REPORTS. axes have the pinnules in opposite order (fig. 46 b.), and this gives the plant a rather characteristic habit. Its next important character is the relatively considerable length of the pinnule in comparison with the ball-shaped vesicle, which last is also greater than in C. lentillifera in general. In C. longistipitata its diameter is rather above than below IJ mm., and often reaches as much as 2 mm. The length of the pinnules often readies the same measure, i. e., they ar Stock Photo

RMRE0ENT–. Ecological and systematic studies of the Ceylon species of Caulerpa. Marine algae. 138 CEYLON MARINE BIOLOGICAL REPORTS. axes have the pinnules in opposite order (fig. 46 b.), and this gives the plant a rather characteristic habit. Its next important character is the relatively considerable length of the pinnule in comparison with the ball-shaped vesicle, which last is also greater than in C. lentillifera in general. In C. longistipitata its diameter is rather above than below IJ mm., and often reaches as much as 2 mm. The length of the pinnules often readies the same measure, i. e., they ar

. Bulletin - United States National Museum. Science. 146 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. Whereas the extreme of slenderness in the oral pinnules is seen in the Ante- donidEe, in such genera as Trichometra and Hathrometra (fig. 289, p. 221), the maximum stoutness is found in Himerometra (figs. 270, p. 207. and 326, p. 227), The large species of the genus Zygonietra have oral pinnules corresponding very closely with those of the species of IlimeromMra; but the pinnules taj^er distally to a more slender tip than is usually found in that genus, though such a tip occurs in //. fers'ica Stock Photo

RMRG76NN–. Bulletin - United States National Museum. Science. 146 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. Whereas the extreme of slenderness in the oral pinnules is seen in the Ante- donidEe, in such genera as Trichometra and Hathrometra (fig. 289, p. 221), the maximum stoutness is found in Himerometra (figs. 270, p. 207. and 326, p. 227), The large species of the genus Zygonietra have oral pinnules corresponding very closely with those of the species of IlimeromMra; but the pinnules taj^er distally to a more slender tip than is usually found in that genus, though such a tip occurs in //. fers'ica

. Fundamentals of botany. Botany. Cf Fig. 419.—Top, lateral pinna, from a leaf of Marallia fraxincc. (After Bitter.) Below at left, synangjum of same. (After Bitter.) At right, cross-section of the synangium. (After Hooker-Baker.) are found on pinnules of ordinary foliage leaves, resembling the sporophylls of certain ferns (Fig. 419) rather than the stamens of modern flowers. The discovery of tie seed-bearing character of the fern-like plants of the Paleozoic was predicted by Wieland, of Yale University, nearly two years before it was made by OKver and Scc>tt. It is now believed that seed-b Stock Photo

RMRE2EA7–. Fundamentals of botany. Botany. Cf Fig. 419.—Top, lateral pinna, from a leaf of Marallia fraxincc. (After Bitter.) Below at left, synangjum of same. (After Bitter.) At right, cross-section of the synangium. (After Hooker-Baker.) are found on pinnules of ordinary foliage leaves, resembling the sporophylls of certain ferns (Fig. 419) rather than the stamens of modern flowers. The discovery of tie seed-bearing character of the fern-like plants of the Paleozoic was predicted by Wieland, of Yale University, nearly two years before it was made by OKver and Scc>tt. It is now believed that seed-b

. Fossil plants : for students of botany and geology . Paleobotany. CH. XXXl] PECOPTEEIS PLTJCKENBTI 167 (figs. 225 and 226, vol. ii.). The variation in the form of th& pinnules is shown in fig. 442, A, which represents both the apical portion and parts of pinnae 10 cm. lower on the rachis of a large leaf from the Coal Measures of Radstock. The species is character- istic of the Upper Coal Measures and is recorded also from Permian strata. In 1883 Sterzel adopted for this species the generic name Dicksonites because of the occurrence of shallow circular cups at the end of the lowest latera Stock Photo

RMRDFDTN–. Fossil plants : for students of botany and geology . Paleobotany. CH. XXXl] PECOPTEEIS PLTJCKENBTI 167 (figs. 225 and 226, vol. ii.). The variation in the form of th& pinnules is shown in fig. 442, A, which represents both the apical portion and parts of pinnae 10 cm. lower on the rachis of a large leaf from the Coal Measures of Radstock. The species is character- istic of the Upper Coal Measures and is recorded also from Permian strata. In 1883 Sterzel adopted for this species the generic name Dicksonites because of the occurrence of shallow circular cups at the end of the lowest latera

RMRF8JXR–. Catalogue of the Mesozoic plants in the Department of Geology, British Museum (Natural History). British Museum (Natural History). Dept. of Geology; Paleobotany -- Mesozoic; Paleobotany -- England London. CLADOPHLEBIS. 97 V. 2215. Fig. 9. Portions of two pinnae attached to a racliis. Pinnules very- distinct and show venation much more clearly than in the larger specimens; the denticulate margin is much more evident in these. Fig. 9 (V. 2215). Part of four pinnules of Cladophhbis Albertsii (Dunk.). Twice natural size. pinnules, four of vt^hich are shown in the Figure. All of the pinnules have

. Bulletin - United States National Museum. Science. 152 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. fourth and succeeding brachials, but a variable number of these earlier pinnules, sometimes only three or four, sometimes as many as forty, resemble in this respect the oral pinnules (part 1, fig. 45, a, p. 79), their ventral surface being convex and devoid of any ciliated epitheliimi or subepithelial band, while their water vessel is simple without any lateral extensions to respiratory leaves and tentacles. In these oral arms, however, branches of the ambulacral groove enter the pinnules soone Stock Photo

RMRG76MH–. Bulletin - United States National Museum. Science. 152 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. fourth and succeeding brachials, but a variable number of these earlier pinnules, sometimes only three or four, sometimes as many as forty, resemble in this respect the oral pinnules (part 1, fig. 45, a, p. 79), their ventral surface being convex and devoid of any ciliated epitheliimi or subepithelial band, while their water vessel is simple without any lateral extensions to respiratory leaves and tentacles. In these oral arms, however, branches of the ambulacral groove enter the pinnules soone

. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. The Fossil Flora of the Upper Karroo Beds. 349 Walkom. * has suggested that this narrow form is comparable with T. tenison-woodsi, but the latter is quite different, having the veins, for example, set at an acute angle to the mid-rib, and these South African leaves can be ascribed to T. carruthersi without much doubt.. Text-fig. 9. -Taeniopteris carruthersi. Ten.-Woods. The secondary veins are shown at various points in the pinnules. T. carruthersi is only recorded from the Ipswich Beds of Queens- la Stock Photo

RMRMN6PH–. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. The Fossil Flora of the Upper Karroo Beds. 349 Walkom. * has suggested that this narrow form is comparable with T. tenison-woodsi, but the latter is quite different, having the veins, for example, set at an acute angle to the mid-rib, and these South African leaves can be ascribed to T. carruthersi without much doubt.. Text-fig. 9. -Taeniopteris carruthersi. Ten.-Woods. The secondary veins are shown at various points in the pinnules. T. carruthersi is only recorded from the Ipswich Beds of Queens- la

$. Fossil plants : for students of botany and geology . Paleobotany. xxxni] CORDAITES 237 may be made to Cordaites circularis Grand'Eury^ from Gard (fig. 468, B) and a smaller leaf from the same locality compared with C. Lacoei (fig. 468, C) Lesq. Cordaites circularis is characterised by the almost orbicular lamina traversed by sHghtly spreading veins; it recalls some of the larger Cyclopteris pinnules of Pterido- sperm fronds and is indistinguishable from some leaves assigned to the genus Dolerophyllum^.. Pig. 468. A, Cordaites root-system {Bhizo-Gordaites); B, Cordaites circularis leai; C, Co Stock Photo$

RMRDFDPX–. Fossil plants : for students of botany and geology . Paleobotany. xxxni] CORDAITES 237 may be made to Cordaites circularis Grand'Eury^ from Gard (fig. 468, B) and a smaller leaf from the same locality compared with C. Lacoei (fig. 468, C) Lesq. Cordaites circularis is characterised by the almost orbicular lamina traversed by sHghtly spreading veins; it recalls some of the larger Cyclopteris pinnules of Pterido- sperm fronds and is indistinguishable from some leaves assigned to the genus Dolerophyllum^.. Pig. 468. A, Cordaites root-system {Bhizo-Gordaites); B, Cordaites circularis leai; C, Co

. British ferns and their varieties. Ferns. Fig. 16. Ad. ivihrnatiiiii. Imbricatum, Lowe (Fig. 16).—A dwarf, imbricated form, pre- sumably raised from Cormtbiense; very beautiful, and bearing bulbils associated with the spore heaps, as does daphnites.. Fig. 17. Ad. c. V. incisiim. Incisum, Moore (Fig. 17).—Found in Ireland by Dr. Allchin ; pinnules with edges cut into small, acute lobes ; very pretty.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly re Stock Photo

RMRH34GA–. British ferns and their varieties. Ferns. Fig. 16. Ad. ivihrnatiiiii. Imbricatum, Lowe (Fig. 16).—A dwarf, imbricated form, pre- sumably raised from Cormtbiense; very beautiful, and bearing bulbils associated with the spore heaps, as does daphnites.. Fig. 17. Ad. c. V. incisiim. Incisum, Moore (Fig. 17).—Found in Ireland by Dr. Allchin ; pinnules with edges cut into small, acute lobes ; very pretty.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly re

. British ferns and their varieties. Ferns. 214 BRITISH FERNS. Fig. 248. P. ang. rotitndilobum. RoTUNDiLOBUM (Fig. 248).—Found near Nettlecombe by Mr. C. Elworthy ; a spiny rotimdatum. Setoso cristatum.—Found in S. Devon by Moly ; crested very bristly ; fine form. S. CUNEATUM.—Found Ireland by W. H. Phillips ; very delicate and beautiful, proliferous at base of fronds. Stipitatum Carbonell.—Beautifully divided, long, slender pinnules.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these Stock Photo

RMRH2AX6–. British ferns and their varieties. Ferns. 214 BRITISH FERNS. Fig. 248. P. ang. rotitndilobum. RoTUNDiLOBUM (Fig. 248).—Found near Nettlecombe by Mr. C. Elworthy ; a spiny rotimdatum. Setoso cristatum.—Found in S. Devon by Moly ; crested very bristly ; fine form. S. CUNEATUM.—Found Ireland by W. H. Phillips ; very delicate and beautiful, proliferous at base of fronds. Stipitatum Carbonell.—Beautifully divided, long, slender pinnules.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these

. Bulletin - United States National Museum. Science. U, S. NATIONAL MUSEUM BULLETIN 82, PART 2 PL. 13 1045. 1046 a a 1048 1049 1052 1054 Pinnules of Various Comatulids. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off. Stock Photo

RMRG5P0Y–. Bulletin - United States National Museum. Science. U, S. NATIONAL MUSEUM BULLETIN 82, PART 2 PL. 13 1045. 1046 a a 1048 1049 1052 1054 Pinnules of Various Comatulids. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.

. Our ferns in their haunts; a guide to all the native species. Ferns. THE ROCK SPLEENWORTS. manages to exist upon many shaly hillsides where the falling fragments are constantly crowding its fronds. The fronds are borne on very short stipes in tufts from a small rootstock. There is a noticeable difference between fer- tile and sterile blades. The latter are seldom more than six inches long and an inch wide and spread close to the earth. They are once pinnate with close set, short, blunt and obscurely serrate pinnules eared on the su- perior side at base. The fertile are three or four times lo Stock Photo

RMRDDC54–. Our ferns in their haunts; a guide to all the native species. Ferns. THE ROCK SPLEENWORTS. manages to exist upon many shaly hillsides where the falling fragments are constantly crowding its fronds. The fronds are borne on very short stipes in tufts from a small rootstock. There is a noticeable difference between fer- tile and sterile blades. The latter are seldom more than six inches long and an inch wide and spread close to the earth. They are once pinnate with close set, short, blunt and obscurely serrate pinnules eared on the su- perior side at base. The fertile are three or four times lo

. A history of British ferns. Ferns. 118 WILLDENOW S FEEN. a horizontal to a vertical surface: its habit is weak, flexile, graceful and drooping; a number of fronds issue from the '///W •"""m, crown of the caudex, and, when uniiiterrupted, spread from a common centre, presenting a very beautiful appearance : the texture of the frond is soft and delicate, its form lanceolate and ]5innate : the pinnae are very numerous, elongate, linear, dis- tinct, often distant, drooping, and j)innate; the pinnules are blunt at the apex, auricled at the base, distinctly stalked and serrated at t Stock Photo

RMRE1HG3–. A history of British ferns. Ferns. 118 WILLDENOW S FEEN. a horizontal to a vertical surface: its habit is weak, flexile, graceful and drooping; a number of fronds issue from the '///W •"""m, crown of the caudex, and, when uniiiterrupted, spread from a common centre, presenting a very beautiful appearance : the texture of the frond is soft and delicate, its form lanceolate and ]5innate : the pinnae are very numerous, elongate, linear, dis- tinct, often distant, drooping, and j)innate; the pinnules are blunt at the apex, auricled at the base, distinctly stalked and serrated at t

RMRDWJ42–. Ferns: British & foreign. The history, organography, classification, and enumeration of the species of garden ferns with a treatise on their cultivation, etc. etc. Ferns. 206 lEENS : BEITISH AJJD FOREIGN.. 106. ONOCIiEA, L. Vernation Tiniserial, distant; sarmentmn hypogseous. Sterile fronds sub-bipinnatifid; veins reticulated. Fertile fronds bipinnate; veins free; pinnules contracted, sessile; margins conniving, forming unilateral spikes (pinnae) of globose, bac- ciform segments, each com- pactly fiUed with sporangia, which rise from four to six punctiform, medial receptacles. Special i/

. Botany of the living plant. Botany; Plants. I-1LICALES leaf-stalk of most modern Ferns (Fig. 374, D). The several strand Dryopteris can be traced into the pinnae and pinnules where they fork freely and end blindly (Fig. 373). But in broad-leaved Ferns such as the Adder's Tongue, and particularly in those of more advan. Fig. 376 a. Dictyostele of the Male Shield Fern dissected out, showing the overlapping leaf-gaps which allow communication between cortex and pith. (After Reinke.) type, such as Onoclea and Woodwardia, a network of veins may arise by their lateral fusion, after the manner of D Stock Photo

RMRH8PM2–. Botany of the living plant. Botany; Plants. I-1LICALES leaf-stalk of most modern Ferns (Fig. 374, D). The several strand Dryopteris can be traced into the pinnae and pinnules where they fork freely and end blindly (Fig. 373). But in broad-leaved Ferns such as the Adder's Tongue, and particularly in those of more advan. Fig. 376 a. Dictyostele of the Male Shield Fern dissected out, showing the overlapping leaf-gaps which allow communication between cortex and pith. (After Reinke.) type, such as Onoclea and Woodwardia, a network of veins may arise by their lateral fusion, after the manner of D

. Practical text-book of plant physiology. Plant physiology. SENSORY ELEMENTS IS resultant reaction with that obtained from a normal and upright specimen. 21. Recovery of Normal Position after Shock. Jar a suit- ably expanded specimen of Mimosa in such a manner that all of its leaves drop and its pin- nules close. Measure the distance between the tips of the closed pinnules and mark position of tips of leaflets. Note exact length of time before the resump- tion of the original position begins. During this pe- riod the contractile cells are slowly regaining their former degree of turgidity by t Stock Photo

RMRE3EXC–. Practical text-book of plant physiology. Plant physiology. SENSORY ELEMENTS IS resultant reaction with that obtained from a normal and upright specimen. 21. Recovery of Normal Position after Shock. Jar a suit- ably expanded specimen of Mimosa in such a manner that all of its leaves drop and its pin- nules close. Measure the distance between the tips of the closed pinnules and mark position of tips of leaflets. Note exact length of time before the resump- tion of the original position begins. During this pe- riod the contractile cells are slowly regaining their former degree of turgidity by t

. The geological history of plants [microform]. Paleobotany; Paléobotanique. 74 TUE GEOLOGICAL HISTORY OF PLANTS. ; with ArchcBopteris is that which I have named Platyphyl- lum, and which grew on a creeping stem or parasitically on stems of other i)lants, and had marginal fructification.*. Fio. 24.—Archcpopteris Jacksoni, Dawson (Maine). An Upper Erian fern, a, 6, Pinnules sliowing venation. * " Reports on Fossil Plants of the Devonian and Upper Silurian of Canada," 1871, &c. L. Please note that these images are extracted from scanned page images that may have been digitally enha Stock Photo

RMRJ66T4–. The geological history of plants [microform]. Paleobotany; Paléobotanique. 74 TUE GEOLOGICAL HISTORY OF PLANTS. ; with ArchcBopteris is that which I have named Platyphyl- lum, and which grew on a creeping stem or parasitically on stems of other i)lants, and had marginal fructification.*. Fio. 24.—Archcpopteris Jacksoni, Dawson (Maine). An Upper Erian fern, a, 6, Pinnules sliowing venation. * " Reports on Fossil Plants of the Devonian and Upper Silurian of Canada," 1871, &c. L. Please note that these images are extracted from scanned page images that may have been digitally enha

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. j56 ^fe^ FIGURE 1. Diagrammatic representation of Renilla kollikcri as viewed from above. The upper half of the diagram represents a colony in which the zooids are withdrawn, the lower half one in which the autozooids (Az) are expanded. The siphonozooid clusters (Scz) have been omitted from the lower half for clarity; X 1. Az indicates autozooid; Esz, large exhalent siphonozooid; P, peduncle; R, rachis; Scz, siphonozooid cluster; and T, tentacle of autozooid showing pinnules. intensifier (Night Vision Sight, Varo Inc.) with Stock Photo

RMRHN85C–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. j56 ^fe^ FIGURE 1. Diagrammatic representation of Renilla kollikcri as viewed from above. The upper half of the diagram represents a colony in which the zooids are withdrawn, the lower half one in which the autozooids (Az) are expanded. The siphonozooid clusters (Scz) have been omitted from the lower half for clarity; X 1. Az indicates autozooid; Esz, large exhalent siphonozooid; P, peduncle; R, rachis; Scz, siphonozooid cluster; and T, tentacle of autozooid showing pinnules. intensifier (Night Vision Sight, Varo Inc.) with

. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. THB WOOD FtWNS. ns The sporangia are borne on fronds simi- "| lar to the sterile ones and aiJDcar almost a" soon as the fronds unroll in sprin-,. The consp.cuous ^ndusia are convex, white or lead colour when youn,. and owing to their thickness, do not w.ther so soon as. FRUITING PINNiK. the indusia of most ferns. The sori are found on the margins of the pinnules and so close to the ed,e as to Xn appear to project beyond it. There is no cvowd- i„l of ^l^ sori. Each is separated from its ne^hb Stock Photo

RMREMJ1C–. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. THB WOOD FtWNS. ns The sporangia are borne on fronds simi- "| lar to the sterile ones and aiJDcar almost a" soon as the fronds unroll in sprin-,. The consp.cuous ^ndusia are convex, white or lead colour when youn,. and owing to their thickness, do not w.ther so soon as. FRUITING PINNiK. the indusia of most ferns. The sori are found on the margins of the pinnules and so close to the ed,e as to Xn appear to project beyond it. There is no cvowd- i„l of ^l^ sori. Each is separated from its ne^hb

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 1. Posture of the branchial crown of Eudistylia vancouveri in still and moving water. (A) Enlargement of a filament and its associated pinnules. (B) Position of the filaments in still water, arrows indicate the dye streams produced by ciliary currents, the speeds of which are reported as cm/s. (C) Position of the filaments in flowing water (20 cm/s), heavy arrow shows the direction of water movement, the position of filaments and pinnules were traced from photographs. The cilia-driven currents flow from under the bran Stock Photo

RMRHM67H–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 1. Posture of the branchial crown of Eudistylia vancouveri in still and moving water. (A) Enlargement of a filament and its associated pinnules. (B) Position of the filaments in still water, arrows indicate the dye streams produced by ciliary currents, the speeds of which are reported as cm/s. (C) Position of the filaments in flowing water (20 cm/s), heavy arrow shows the direction of water movement, the position of filaments and pinnules were traced from photographs. The cilia-driven currents flow from under the bran

. Practical text-book of plant physiology. Plant physiology. Fig. 8. Nozzle suitable for spraying Mimosa. have resumed their accustomed position and have become accus- tomed to the repetition of the stimulus, send a sudden gust of air against the leaves. This mechanical stimulus of a different in- tensity and direction will cause closure of the pinnules and other 1 Hansgirg, A. Ueber die Verbreitung der Reizbaren Staubfaden und Narben, sowie der sich periodisch oder bios einmal offender! und schliessenden Bliiten. Bot. Centralblatt. 43 : 409. 1890.. Please note that these images are extracted Stock Photo

RMRE3EWT–. Practical text-book of plant physiology. Plant physiology. Fig. 8. Nozzle suitable for spraying Mimosa. have resumed their accustomed position and have become accus- tomed to the repetition of the stimulus, send a sudden gust of air against the leaves. This mechanical stimulus of a different in- tensity and direction will cause closure of the pinnules and other 1 Hansgirg, A. Ueber die Verbreitung der Reizbaren Staubfaden und Narben, sowie der sich periodisch oder bios einmal offender! und schliessenden Bliiten. Bot. Centralblatt. 43 : 409. 1890.. Please note that these images are extracted

. Bulletin - United States National Museum. Science. 150 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. In the transitional pinnules the characteristics of the genital pinnules first appear at the distal end and rapidly extend inward toward the base. These intermediate pinnules are followed by from 3 to 35 or more pinnule pairs (usually from 10 to 20) upon which the perfected gonads are developed (figs. 281, 282, p. 215). The firet commonly bears a relatively small gonad, but on the second and following this rapidly increases and soon reaches its full size. After the middle, or the proximal two-t Stock Photo

RMRG76MW–. Bulletin - United States National Museum. Science. 150 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. In the transitional pinnules the characteristics of the genital pinnules first appear at the distal end and rapidly extend inward toward the base. These intermediate pinnules are followed by from 3 to 35 or more pinnule pairs (usually from 10 to 20) upon which the perfected gonads are developed (figs. 281, 282, p. 215). The firet commonly bears a relatively small gonad, but on the second and following this rapidly increases and soon reaches its full size. After the middle, or the proximal two-t

. Bulletin - United States National Museum. Science. Figs. 314-335.—Proximal and middle pinncles of vabioos comatulids. 31-1. Proximal pinnules of Neometra multicolor. 315. Proximal pinnules of Olioometra serripinna (after Ciiadwick). 316. Proximal pinnules of Ptilometba mOlleri. 317. Feosimal pinnules of Thalassometra PUBESCENS. 318. Proximal pinnules of Stylometea spinifeba. 319. Proximal pinnules of Pero- metra diomede.e. 320. Proximal pinnules of Calo.mbtra callista. 321. Proximal pinnules of HORiEOMBTBA DUPLEX. 322. PbOXIMAL PINNULES (WITH PRECEDING PINNULE BORNE BY DIVI- SION SEEIES) OF Stock Photo

RMRG67KW–. Bulletin - United States National Museum. Science. Figs. 314-335.—Proximal and middle pinncles of vabioos comatulids. 31-1. Proximal pinnules of Neometra multicolor. 315. Proximal pinnules of Olioometra serripinna (after Ciiadwick). 316. Proximal pinnules of Ptilometba mOlleri. 317. Feosimal pinnules of Thalassometra PUBESCENS. 318. Proximal pinnules of Stylometea spinifeba. 319. Proximal pinnules of Pero- metra diomede.e. 320. Proximal pinnules of Calo.mbtra callista. 321. Proximal pinnules of HORiEOMBTBA DUPLEX. 322. PbOXIMAL PINNULES (WITH PRECEDING PINNULE BORNE BY DIVI- SION SEEIES) OF

. Fossil plants : for students of botany and geology . Paleobotany. 360 FILICALES [CH. The specimen shown in fig. 268 is probably a young frond of this species. A very similar, possibly a specifically identical plant, was described by Leckenby from English Jurassic rocks as Phleho- pteris Woodwardi'^, the distinguishing features of which are the greater number of lateral veins and the smaller sori (fig. 267, A). The name Microdictyon was proposed by Saporta^ for pinnules. Fig. 268. 7 Laccopteris poh/podioides. Nat. size. From a specimen in the Whitby Museum (Brit. Mus.). differing slightly fro Stock Photo

RMRDF4R3–. Fossil plants : for students of botany and geology . Paleobotany. 360 FILICALES [CH. The specimen shown in fig. 268 is probably a young frond of this species. A very similar, possibly a specifically identical plant, was described by Leckenby from English Jurassic rocks as Phleho- pteris Woodwardi'^, the distinguishing features of which are the greater number of lateral veins and the smaller sori (fig. 267, A). The name Microdictyon was proposed by Saporta^ for pinnules. Fig. 268. 7 Laccopteris poh/podioides. Nat. size. From a specimen in the Whitby Museum (Brit. Mus.). differing slightly fro

. Fossil plants : for students of botany and geology . Paleobotany. xxi] CLADOPHLEBIS 345 sents an impression from the Inferior Oolite rocks of the Yorkshire coast in which the exposed upper surface of the pinnules shows a series of parallel ridges following the course of the lateral veins and no doubt formed by oblong son on the lower surface. There can be little doubt that the specimen figured by Lindley and Hutton and by others as Pecopteris undans^ is, as Nathorst suggests, a portion of a fertile frond of C. denticulata. A fertile specimen of a frond resembling in habit C. denticulata, whi Stock Photo

RMRDBBDF–. Fossil plants : for students of botany and geology . Paleobotany. xxi] CLADOPHLEBIS 345 sents an impression from the Inferior Oolite rocks of the Yorkshire coast in which the exposed upper surface of the pinnules shows a series of parallel ridges following the course of the lateral veins and no doubt formed by oblong son on the lower surface. There can be little doubt that the specimen figured by Lindley and Hutton and by others as Pecopteris undans^ is, as Nathorst suggests, a portion of a fertile frond of C. denticulata. A fertile specimen of a frond resembling in habit C. denticulata, whi

. Bulletin of the British Museum (Natural History), Geology. . Figs 11-12 Matonia braunii (Goeppert) comb. nov. Hillhouse Nab, Farndale. Transfers of fertile pinnules, x 20. Fig. 11. V. 59750. The sori have crumbled in preparation, the upper one having lost its indusium and the lower ones all but some of the middle portion. Fig. 12. V.59751. The indusia are intact apart from cracks caused by shrinking. The small sori to the right are abortive and at the top left there is a denuded placenta.. Please note that these images are extracted from scanned page images that may have been digitally enhan Stock Photo

RMRGHDAH–. Bulletin of the British Museum (Natural History), Geology. . Figs 11-12 Matonia braunii (Goeppert) comb. nov. Hillhouse Nab, Farndale. Transfers of fertile pinnules, x 20. Fig. 11. V. 59750. The sori have crumbled in preparation, the upper one having lost its indusium and the lower ones all but some of the middle portion. Fig. 12. V.59751. The indusia are intact apart from cracks caused by shrinking. The small sori to the right are abortive and at the top left there is a denuded placenta.. Please note that these images are extracted from scanned page images that may have been digitally enhan

RMRE1HDK–. Fern growing. Fifty years' experience in crossing and cultivation, with a list of the most important varieties and a history of the discovery of multiple parentage, etc.. Ferns; Multiple parentage. FERN GROWING 89 and some of the pinnae near the apex of the frond have Howardce branches; Fama (Fig. 22), pinna; branches hke. W^Kt* Fig. 22.—Athyyium Filix-fccmiiia Fama. Reduced. Howarda:, pinnules revolved like Harriscr, lobes of pinnules lunulate like Frizella, and basal pinnules brachiate like brachiatum, the pinnje distant, and their apices as well as. Please note that these images are extra

$. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. rWE CHRISIMAS AND HOLLY FbKNS. 107 The variety incistim is frequently found with the- typical plants. It is distinguished by the deeply toothed pinnules and by the way in which the sori are borne. Tiiesc are not confim.-d entirely to the narrowed upper part of the frond, but continue downward on the tips of the other pinniu, {^rowing fewer in number toward the base. In rich shady woods.onc sometimes comes upon another form which is here named variety crispum. In this there seems to be a super- abundan Stock Photo$

RMREM4W3–. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. rWE CHRISIMAS AND HOLLY FbKNS. 107 The variety incistim is frequently found with the- typical plants. It is distinguished by the deeply toothed pinnules and by the way in which the sori are borne. Tiiesc are not confim.-d entirely to the narrowed upper part of the frond, but continue downward on the tips of the other pinniu, {^rowing fewer in number toward the base. In rich shady woods.onc sometimes comes upon another form which is here named variety crispum. In this there seems to be a super- abundan

. British ferns and their varieties. Ferns. THE POLYSTICIIUMS. Fig. 241. P. aiig. prolif. Craivfordianiim. P. Crawfordianum (Fig. 241).—Found by Mr. W. H. Phillips similar to other acutilobes, but distinguished by wider pinnules a handsome form.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Druery, Chas. T. (Charles Thomas), 1843-1917. London : G. Routledge and Sons, Limted ; New York : E. P. Dutton and Co. Stock Photo

RMRH315J–. British ferns and their varieties. Ferns. THE POLYSTICIIUMS. Fig. 241. P. aiig. prolif. Craivfordianiim. P. Crawfordianum (Fig. 241).—Found by Mr. W. H. Phillips similar to other acutilobes, but distinguished by wider pinnules a handsome form.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Druery, Chas. T. (Charles Thomas), 1843-1917. London : G. Routledge and Sons, Limted ; New York : E. P. Dutton and Co.

. Fossil plants : for students of botany and geology . Paleobotany. Fig. 267. Pinnules of Lacco/i^-cis. (Enlarged.) A, B. From the Inferior Oolite of Yorkshire. C. From the Interior Oolite of Stamford. (British Museum.) pinnules gives off secondary veins at a wide angle and these form a series of elongated meshes parallel to the median rib, as in the recent genus Woodivardia; forked and anastomosing branches are given off from these to the edge of the lamina (fig. 267).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - Stock Photo

RMRDF4R7–. Fossil plants : for students of botany and geology . Paleobotany. Fig. 267. Pinnules of Lacco/i^-cis. (Enlarged.) A, B. From the Inferior Oolite of Yorkshire. C. From the Interior Oolite of Stamford. (British Museum.) pinnules gives off secondary veins at a wide angle and these form a series of elongated meshes parallel to the median rib, as in the recent genus Woodivardia; forked and anastomosing branches are given off from these to the edge of the lamina (fig. 267).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability -

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. EXPLANATION OF FIGURES 1-3 Phalacrocleptes verrucijormis. Photomicrographs. FIGURE 1. Living specimens on pinnules of prostomial cirri of 5 insignis. FIGURES 2, 3. Transverse sections of specimens attached to pinnules. Buffered osmium tetroxide; Epon sections, 0.5 /u; methylene blue-azure II. ciliate unless I examined every one of the hundreds of pinnules of the prostomial cirri. All worms from both of the localities were parasitized by Ignotocoma sabellarum. When cirri of a host sabellid are examined under lower magnificat Stock Photo

RMRHNRG4–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. EXPLANATION OF FIGURES 1-3 Phalacrocleptes verrucijormis. Photomicrographs. FIGURE 1. Living specimens on pinnules of prostomial cirri of 5 insignis. FIGURES 2, 3. Transverse sections of specimens attached to pinnules. Buffered osmium tetroxide; Epon sections, 0.5 /u; methylene blue-azure II. ciliate unless I examined every one of the hundreds of pinnules of the prostomial cirri. All worms from both of the localities were parasitized by Ignotocoma sabellarum. When cirri of a host sabellid are examined under lower magnificat

. Greenhouse and bedding plants : retail catalogue spring 1900. Nursery stock Iowa Council Bluffs Catalogs; Plants, Ornamental Catalogs; Flowers Seeds Catalogs; Flowering shrubs Catalogs. CATALOGUE OF CREENHOU SE AND BEDDING PLANTS FERNS, continued. Blechnum occidentale. Very handsome, long, tapering fronds. Fine for cut-flower work. Cyrtomium falcatum. A very hardy Fern for Fern baskets. Fronds of a graceful undulating outline, with many clear-cut divisions. Lastrea aristata variegata. This beautiful va- riety has a broad band of yellowish-green through the pinnules. Microlepia hirta cristata Stock Photo

RMRFGF9X–. Greenhouse and bedding plants : retail catalogue spring 1900. Nursery stock Iowa Council Bluffs Catalogs; Plants, Ornamental Catalogs; Flowers Seeds Catalogs; Flowering shrubs Catalogs. CATALOGUE OF CREENHOU SE AND BEDDING PLANTS FERNS, continued. Blechnum occidentale. Very handsome, long, tapering fronds. Fine for cut-flower work. Cyrtomium falcatum. A very hardy Fern for Fern baskets. Fronds of a graceful undulating outline, with many clear-cut divisions. Lastrea aristata variegata. This beautiful va- riety has a broad band of yellowish-green through the pinnules. Microlepia hirta cristata

RMRF7WC9–. Greenhouse and bedding plants : retail catalogue spring 1900. Nursery stock Iowa Council Bluffs Catalogs; Plants, Ornamental Catalogs; Flowers Seeds Catalogs; Flowering shrubs Catalogs. CATALOGUE OF CREENHOU SE AND BEDDING PLANTS FERNS, continued. Blechnum occidentale. Very handsome, long, tapering fronds. Fine for cut-flower work. Cyrtomium falcatum. A very hardy Fern for Fern baskets. Fronds of a graceful undulating outline, with many clear-cut divisions. Lastrea aristata variegata. This beautiful va- riety has a broad band of yellowish-green through the pinnules. Microlepia hirta cristata

. Bulletin of the British Museum (Natural History). go AILSA M. CLARK to A. H. Clark's more consen'ative estimates of cirrus numbers. The main difference appears to be the smoother brachials in the 'Anton Bruun' specimen (see fig. 3), whereas the holotype has brachials with 'a somewhat concave dorsal surface and very prominent distal ends which are strongly overlapping and give the animal a curiously ornate appearance'. This condition may approximate to that in E. vennstulus (see fig. 5) from which the holotype of E. ornatns differs in having pris- matic basal segments to the proximal pinnules Stock Photo

RMRGJTPE–. Bulletin of the British Museum (Natural History). go AILSA M. CLARK to A. H. Clark's more consen'ative estimates of cirrus numbers. The main difference appears to be the smoother brachials in the 'Anton Bruun' specimen (see fig. 3), whereas the holotype has brachials with 'a somewhat concave dorsal surface and very prominent distal ends which are strongly overlapping and give the animal a curiously ornate appearance'. This condition may approximate to that in E. vennstulus (see fig. 5) from which the holotype of E. ornatns differs in having pris- matic basal segments to the proximal pinnules

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