RM2AXFWN9–A manual of anatomy . and isflanked by the large motor tracts, the pyramids; these are coveredexternally (superficially) by some gray nerve tissue, the arcuate THE MIDOLTVARY REGION 399 nucleus and some nerve fibers, the external, or superficial arcuatefibers. Of these arcuate fibers some arise in the nuclei graciHs andcuneatus of the same side and pass to the cerebellum; others arisefrom the nuclei of the opposite side, decussate in the raphe, courseventrally and pass over the surface of the pyramid. Many of thesefibers are interrupted in the arcuate nuclei and then pass on to thecerebellum b
RMPG1WG2–. The natural history of plants. Botany. MALPIGHIACE^. 431 Northern Brazil, have, on the contrary, calycine glands, like the Acmanthera, and anthers -without appendages; but the style is terminal, instead of being inserted towards the base of the internal angle of the ovary; the descendent ovule has its micropyle turned laterally (on account of the tortion of the raphe), and the fruit is composed of one or three aohsenes with rugose ridges on the back. The Echinopteris, Brazilian shrubs, have no calycine glands, their anthers are inappendiculate and the styles termiQal. The three carpels are f
RM2AXFTG7–A manual of anatomy . re ventrally are the brachia pontis and the sensor root of thetrigeminal nerve; near the surface lies the sensor nucleus of the latternerve. 404 THE NERVE SYSTEM Dorsal to the trapezium and in the midline is the raphe with theformatio reticularis forming a large field on each side. Lateral to theformatio is the motor nucleus of the trigeminal nerve, next the mesen-cephalic root of the same nerve and upon the surface the superior cere-bellar peduncle (brachium conjunctivum) forming also the dorsalwall of the section in this area. The peduncle is semilunar in shapeand consi
RMPG1W8E–. The natural history of plants. Botany. TJMBELLIFERM. 131. Kg. 140. Long. sect, of fruit (I). and solitary vittse in the interposed furrows. They are glabrous perennial herbs, European and oriental, with decompound ternati- pinnate leaves and compound umbels, furnished with involucres and involucels formed of numerous bracts. The seeds are concave on the face, in which the raphe is sunk. Molopospermum (fig. 141) has nearly all the characters of Physospermum, especially in the organs of vegetation; but in the fruit, more elongate, constricted also at the com- missure, the primary ridges are ve
RM2AXFFAX–A manual of anatomy . (arcuata) pass through the raphe to the oppo-site side and proceed upward to the thalamus where new fibers ariseand pass to the sensor area of the cerebral cortex. Some fibers passfrom the sensor to the motor nucleus thus establishing a simplereflex arc. The trigeminal nerve is attached to the brain at the middle of the 444 THE NERVE SYSTEM lateral border of the pons. It consists of two roots, the larger, sensorand the smaller, motor. As these two roots pass forward and reachthe apex of the petrous portion of the temporal bone the sensor rootexhibits an enlargement, the s
RMPG1W8G–. The natural history of plants. Botany. Kg. 140. Long. sect, of fruit (I). and solitary vittse in the interposed furrows. They are glabrous perennial herbs, European and oriental, with decompound ternati- pinnate leaves and compound umbels, furnished with involucres and involucels formed of numerous bracts. The seeds are concave on the face, in which the raphe is sunk. Molopospermum (fig. 141) has nearly all the characters of Physospermum, especially in the organs of vegetation; but in the fruit, more elongate, constricted also at the com- missure, the primary ridges are very unequally develo
RM2AXFW5T–A manual of anatomy . ve a longitudinal course. In the area just dorsal to the pons fibers are the pyramids, twolarge compact bundles of longitudinal fibers on their way to theoblongata. Some of these fibers terminate in the nuclei pontisrepresenting cerebropontile fibers. Dorsal to the pyramids are seen avariable number of deeper transverse pontile fibers. The arcuatefibers and nuclei of the oblongata are analogous to the pons fibers andpontile nuclei. Dorsal to the pons lie the fibers of the medial lemniscus forming a26 402 THE NERVE SYSTEM rather compact bundle upon each side of the raphe.
RMPG2JKD–. On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. 236 ANATOMY OF VERTEBRATES. tubcB, fi""S. 148, 149, 4, arises from the mastoid, and is inserted into the postero-inferior angle of the tympanic and into the begin- ning of the eustachian tube. The following are muscles of the hyoidean arch and appen- dages. The mylohyoideus, fig. 153, 13, extends transversely between the mandibular rami, and is attached to the hyoid by its median 152. raphe. The iniio/ii/Didnis, llgs. 150, 152, 14, arises from the coracoid, and is inserted into tlie basi-, cerato-, and thyro-hy
RM2AXGG60–A manual of anatomy . Tunica.. Itthw.. Fig. 236.—The left testis in situ with thetunica vaginalis partly removed. Fig. 237.—Frontal section of testis, epi-didymis and spermatic cord. It is divided into two compartments by a septum {septum scroti) whichcorresponds to the ridge, or raphe upon the outside. Internallyeach compartment is lined by a serous membrane, the parietal layerof the tunica vaginalis testis. This was derived from the peritoneum ?24 THE SPERMATIC CORD 325 during intrauterine life. Between the serous membrane and skinis the dartos (tunica dartos) which contains some smooth musc
RMPG1BY2–. The botany of crop plants : a text and reference book. Botany, Economic. 422 BOTANY OF CROP PLANTS ^andard numerous ovules. Members of the genus are quite regularly visited by insects. The pod is linear, straight or curved, subterete or compressed, two-valved, and tipped with a persistent style. The seeds ("beans") are large and have a prominent, approx- imately central hilum, on one side of which is the micropyle, on the other, the raphe. The embryo is large and occupies the whole of the seed, i.e., endosperm is wanting. The hypocotyl and plumule are prominent; the two large cotyl
RM2CE49Y3–. The principles and practice of veterinary surgery . made close to the raphe, and low down towards thesheath, in order to allow the escape of all subsequent discharges,and prevent swelling. The incision is to be made with a boldsweep of the scalpel, and is to be at least three inches long, whenthe testicle will generally pop out. The smooth clam is now tobe removed, and the flat clam—serrated upon its edges^ap-plied to the spermatic cord, above the epididymus, and securely METHODS OF OPERATING. 640 fastened by pulling its handles together and fastening them withthe slide. The testicle being n
RMPG2PJG–. Neurological technique; some special histological methods employed for the study of the nervous system, together with a laboratory outline for the dissection of the central nervous system and the neurological nomenclature "[bna]" arranged in a classified list. Nervous system. Method XX 127 Section 6, to pass through the lower extremity of the oliva and the point of the calamus scriptorius Draw, giving special attention to the following structures : Fissura mediana anterior, pyramis, raphe, and calamus scrip torius. Nucleus funiculi gracilis and nucleus funiculi cuneati, fibrae arcu
RMRJ443D–. The teaching botanist [microform] : a manual of information upon botanical instruction : together with outlines and directions for a comprehensive elementary course. Botany; Botanique. ANATOiMV OF THE SEED 165 tions in words should be studies in clearness and conciseness; but perfection cannot be expected at the start. From the first, rough sketches should be forbidden. Few drawings may be. -micropi/k—' hilurn---. raphe-. 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
RMPG1WKD–. The natural history of plants. Botany. COBNACilM. 71 vertical furrow. Tbe latter corresponds to the placenta, -which supports a descending anatropous ovule inserted near the summit, with superior micropyle turned towards the placenta,' and dorsal raphe. The fruit is a berry, crowned with a scar or with the remains AUcuha japonica.. 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.. Baillon, Henri Ernest, 1827-1895; Hartog, M
RMRDG395–. The natural history of plants. Botany. MALPIGHIACE^. 431 Northern Brazil, have, on the contrary, calycine glands, like the Acmanthera, and anthers -without appendages; but the style is terminal, instead of being inserted towards the base of the internal angle of the ovary; the descendent ovule has its micropyle turned laterally (on account of the tortion of the raphe), and the fruit is composed of one or three aohsenes with rugose ridges on the back. The Echinopteris, Brazilian shrubs, have no calycine glands, their anthers are inappendiculate and the styles termiQal. The three carpels are f
RMPG2X0A–. The natural history of plants. Botany. Fig. 151. Flower, (f). bundles of tongues, having no other connection with the filaments. The gynseceum/ supported by the central column of the receptacle, generally recurved outwardly at a certain age, is formed of an ovary with three cells (two of which are posterior), surmounted by a style with three branches, the summit, generally bifid, being furnished within or laterally with stigmatic papilloe. In the inner angle of each cell is seen an axile pla- centa, supporting an anatropous descen- dent ovule, with ventral raphe, and superior exterior microp
RMRDTRXT–. The principles of botany, as exemplified in the phanerogamia. Botany; Botany; Phanerogams; 1854. 160 COMPOUND ORGANS OF PLANTS. hilum is not seen at s, the part where the raphe joins the chalaza, but at h, the part where it unites with the placenta. These three forms of ovules are by no means clearly defined in nature, but exhibit varieties, among which we must mention the amphitropous or heterotropous ovule, which is produced by a partial adhesion of the funiculus or raphe to the ovule, (Fig. 63.) The funiculus is seen at right angles to the ovule, and the hilum is placed midway between the
RMPG1WXP–. The natural history of plants. Botany. TEBEBINTHA OE^. 283 length, by a narrow mfundibnliforui channel, and terminated by an irregular stigmatiferous head with two or three unequal lips. In the ovary cell is seen, near the summit, a parietal placenta support- ing two collateral descendent anatropous ovules, with dorsal raphe, the micropyle directed inwards and upwards under the point of attachment. The fruit (fig. 333, 333) is a large elongated apiculate Fhytocrme Itizoniensis,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for rea
RMRDXPAJ–. The anatomy of the domestic animals . Veterinary anatomy. DIGESTIVE SYSTEM OF THE SHEEP 471 narrow depressions in the form of a V and separated by the central papilla incisiva at the deep anterior ends of which the incisive or naso-palatine ducts open. The ridges of the palate, some fourteen in numljer, are irregular and their edges are smooth; most of them alternate with those of the opposite side, from which they are separated by the median raphe palati. The posterior third or rather more is not ridged and presents numerous orifices of ducts of the palatine glands. The mucous membrane is o
RMPG1WTM–. The natural history of plants. Botany. 346 NATURAL HISTORY OF PLANTS. gltudinal placenta supporting two collateral or nearly superposed ovules, more or less ascendent, anatropous, with the raphe turned inwards, and the micropyle downwards and outwards. The fruit is formed of one, two, or three gibbous drupes with a stone more or less rugose and reticulate outwardly, and covered by a sarcocarp of vari- able thickness. In each stone is found two or, more often, one as- cendent, reniform seed, with albumen of little thickness or reduced to a simple membrane, enveloping a curved embryo, having l
RMRE0MDA–. A manual of botany. Botany. 216 MANUAL OF BOTANY the orthotropous and anatropous forms; to it the term amphi- tropous has been applied. In this ovule, which is also called heterotropoits or transverse, the hilum, /, is on one side, and the micropyle, in, and chalaza, ch, are placed transversely to it (fig. 474), and therefore parallel to the placenta. In this case the hilum is connected to the chalaza by a short raphe, r. The ovules of Angiospermons plants are enclosed in an ovary (fig- 436). Those of the Gymnosperms, including the Coniferne, Cycadacese, and allied orders, are always exposed
RMPG2TBE–. The natural history of plants. Botany. VALEBIA NA GEM. 505 free below the insertion of the filament. The inferior ovary has three cells; one, lateral, fertile, containing a descending ovule inserted at the top, anatropous, with raphe primarily dorsal' and micropyle interior and superior; ^ the two others, smaller, situate on the other side of the flower, sterile or containing only an imperfect ovule. The Kardostttchyt Jatamansi,. Fig. 397. Flower (}). Fig. 398. Diagram. Fig. 399. Long. sect, of flower. style, scarcely encircled at the base by a small prominence on the pummit of the ovary, is
RMRE1F9D–. The elements of structural botany with special reference to the study of Canadian plants ... Plant physiology; Plant anatomy. iPO ELEMENTS OP STRUOTOBAli BOTANY. with it, and forming^what is then called the raphe. Fig. 211 represents this condition, r being the raphe, s the chalaza, and the otlier letters corresponding to those in Fig. 210. Sometimes the curving of the ovule upon itself is not carried to this extreme, and an intermediate form is presented, as in Fig. 212.. Pig. 210. JTig. 211. If the ovule remains straight it is said to bo ortliotro- pous; if completely inverted, anatropous;
RMPG1TW5–. The natural history of plants. Botany. 298 NATURAL HISTORY OF PLANTS. Chioeocca racemosa.. Fig. 284. Diagram. corolla, and their monadelphous filaments form a short tube around the style above which they become free, more or less hairy, and support a dorsifixed bilocular extrorse anther,' dehiscing by two longitudinal clefts. The ovary is surmounted by a thick disk and a style whose stigmatiferous extremity is slightly dilated and almost entire. The ovarian cells are two in number, rarely more, each enclosing a descending ovule inserted near the top of the internal angle, with dorsal raphe,
RMRDGC32–. The natural history of plants. Botany. TJMBELLIFERM. 131. Kg. 140. Long. sect, of fruit (I). and solitary vittse in the interposed furrows. They are glabrous perennial herbs, European and oriental, with decompound ternati- pinnate leaves and compound umbels, furnished with involucres and involucels formed of numerous bracts. The seeds are concave on the face, in which the raphe is sunk. Molopospermum (fig. 141) has nearly all the characters of Physospermum, especially in the organs of vegetation; but in the fruit, more elongate, constricted also at the com- missure, the primary ridges are ve
RMPG1WYC–. The natural history of plants. Botany. 278 NATURAL HISTORY OF PLANTS. surmotmted by a style, more or less eccentric,^ more or less lengthened,'* dilated at its apex into a small stigmatiferous head. On its anterior wall, the ovary cell presents a placenta bearing above two collateral descendent ovules, supported by an arched funicle sometimes dilated above the micropyle; this is directed inwards and upwards under the point of attachment, the raphe being dorsal. The fruit is a drupe, glabrous or pubescent, whose stone contains a descendent seed with abundant fleshy albu- men, and in whose axi
RMRE0EJ9–. A manual of structural botany; an introductory textbook for students of science and pharmacy. Plant morphology. 130 THE SEED The Raphe.âThe raphe, extending from the hilum to the chalaza when these do not coincide, is ordinarily not readily perceptible upon the surface. When it is so, as in Figs. 372 and 373, its appearance is of great diagnostic value and must be closely scrutinized. The chalaza in its simple form calls for no special attention. The Strbphiole.âIf, however, an enlargement appears at this point (the Strophiole, Fig. 374, a), it must not be overlooked. The strophiole may deve
RMPG2TCR–. The natural history of plants. Botany. Fig. 384. Diagram (flower with. 5-ceUed ovary). Fig. 386. Diagram (flower with 3-celled ovary'). to a thin glandular bed; it is produced in a conical form and divided above into 3-5 short stigmatiferous lobes. Corresponding to these and to the lobes of the corolla (fig. 384) are as many cells each containing a descending ovule, inserted near the summit, with micropyle interior and superior, while the raphe is dorsal/ The fruit is a drupe with 3-5 putamens more or less thick, enclosing each a descending seed, the fleshy albumen of which surrounds an embr
RMRE2NNN–. A handbook of cryptogamic botany. Cryptogams. 422 PROTOPHYTA the genus Navicula, possess the power of propelling themselves through the water with considerable rapidity backwards and forwards in the direction of their longer axis, often with a jerking motion, or of creeping along the bottom on some submerged substance. The cause of this motion is a subject on which a large amount of attention has been be- stowed. Nageli attributed it to osmotic currents passing through the cell-wall. Ehrenberg believed that he had actually seen, in some cases, the extrusion through the raphe of vibratile cil
RMPG0P55–. The natural history of plants. Botany. Fig. 390. Longitudinal section of seed. Fig. 385. Flower. Fig. 389. Seed (f). flowers are also observed, having five sepals, with three or four ungui- culate petals, five to eight declinate stamens, and a unilateral disk; but in each ovary cell is inserted, towards the middle of the internal angle, two ovules primitively ascendent, with the raphe internal, whilst when full grown, only one remains so, the other becoming descendent, with the raphe outwards. The fruit (fig. 387-388) is a vescicular capsule, recalling that of Cardiospermump^la.os(i three ce
RMRE3XJ7–. The physiology of domestic animals ... Physiology, Comparative; Veterinary physiology. Pig. 82.—Tongue of Hokse. (.Gamgee.) Fig. 83.—Tongue of Ox. (Gamgee.) but which are surrounded by a circular groove. By the distribution of these papilla? the tongue of the horse can readily be distinguished from that of the ox,—a point of some consequence, since horses' tongues are sometimes sold in the market as beef-tongues. The tongue of the horse is long, with a well-marked middle depression, or raphe, with a. Please note that these images are extracted from scanned page images that may have been digi
RMPG1TTN–. The natural history of plants. Botany. Fig. 289. Inflorescence.. Fig. 290. Flower (j). Fig. 291. Diagram. Fig. 292. Long. sect, of flower. The flower is often 4, 5-merous, with an inferior ovary of two cells, in each of which is a descending ovule with dorsal raphe, an umbilic more or less thick and micropyle interior and superior. The calyx is entire or with four or five teeth or lobes, and is early detached at the base. The corolla, valvate, 4, 5-lobed, bears, at a variable height of its tube, deflexed hairs, often arranged in a very clearly defined ring. The stamens have an introrse anthe
RMRE0EY5–. A manual of structural botany; an introductory textbook for students of science and pharmacy. Plant morphology. 80 THE GYNAECIUM The Chalaza.—The structurally opposite end of the body, or the point where nucellus, coats, and apex of funiculus separate from one another (c), is the Chalaza. The Raphe.—If the body become inverted upon its funiculus, either partly (Fig. 243) or wholly (Fig. 242), the portion of the funiculus against which it lies (r) will become adnate to it, and is known ag the Raphe. The portion of the funiculus remaining free (/) is then specific- ally known as the funiculus.
RMPFW0KR–. Fresh-water biology. Freshwater biology. I30 FRESH-WATER BIOLOGY '7 (36) Girdle side geniculate. Valves straight, linear, or fusiform; frus- tules either free or stalked. . Family Achnanthaceae. Only one genus Achnanthes Bory. Cells so curved that the two valves are not alike, the one concave with raphe, middle and nd nodules; the other convex, without a middle nodule, but with a pseudo-raphe. Girdle view symmetrical with reference to a transverse axis. Cells single or in bands, ^^ mostly on gelatinous stalks., ^ Fig. 90. Nitzschia linearis Smith. X 57S' â â-^ fOrieinal.) (Original.) 40 (39,
RMRE04G2–. The physiology of the domestic animals; a text-book for veterinary and medical students and practitioners. Physiology, Comparative; Domestic animals. Fig. 82.—Tongue op House. COamgee.) Fig. 83.—Tongue op Ox. (Gamgee.) but which are surrounded by a circular groove. By the distribution of these papillre the tongue of the horse can readily be distinguished from that of the ox,—a point of some consequence, since horses' tongues are sometimes sold in the market as beef-tongues. The tongue of the horse is long, with a well-marked middle depression, or raphe, with a. Please note that these images
RMPFYMAE–. Fresh-water biology. Freshwater biology. Fig. 98. Meridion constriclum Ralfs. X 300. Smith.) (After SS (49) Valves without transverse costae. Family Fragilaeiaceae . 56 Cells of much the same structure as Dialoma. Transverse striations composed of separate dots; with or without raphe and end nodules. 56 (S7, 58) Cells very slender, not united in bands, either free or attached at one end, forming clusters on higher algae. Synedra Ehrenberg. Fig. 99. Synedra salina W. Smith. X 588. (Original.) Fragilaria Lyngbye. Sfi S7 (56, 58) Cells forming bands or zig-zag chains.. Fragilaria is a common ge
RMRDY9KG–. The anatomy of the domestic animals . Veterinary anatomy. MUSCLES OF THE ABDOMEN 377 costal cartilage, to the tenth and eleventh cartilages a little (ca. 1 to 2 cm.) below the junction with the rib, to the twelfth rib at its ventral end and to the last rib below its middle. The cupola is very unsymmetrical; on the left side it is opposite the sixth rib, while on the right it is an intercostal space further back. Muscles OF the Back and Loins The serratus dorsalis anterior arises from the median raphe of the neck and the first six or seven thoracic spines, and is inserted into the second to t
RMPFW0MJ–. Fresh-water biology. Freshwater biology. 126 FRESH-WATER BIOLOGY 1 (9, 10) Valves circular, raphe lacking, markings radial 2 2 (s) CeUs cylindrical or ellipsoidal, united into filaments. Valve side circu- lar, either convex or flat. . Family Melosiraceae . 3 3 (4) Cells with no spines or teeth; valves either smooth or punctate, usually convex; girdle side punctate Melosira Agardh. Melosira is very common in ponds, rivers, lakes, and reservoirs, and occurs in great quantities in the plankton. The filaments are often very long. Fig. 69. Melosira varians Agardh. X 600. (Original.) 4 (3) Cells s
RMRDTRXY–. The principles of botany, as exemplified in the phanerogamia. Botany; Botany; Phanerogams; 1854. THE GYMNffiOIUM. 159 Fig. 61. Fig. 62.. Fig. 61, CampulotropoTiaOTule of Wall flower. (Cheiranthus.) /.The funiculus by which the OTule is attached to the placenta, p. The primine. s. The secundine. n. The nucleus, ch. The chalaza. The OTule is curred on itself, so that the micro- pyle is brought near to the hilum. Kg. 62. Anatropous ovule of Dandelion (Leontodon), /. The foramen or micropyle. h. The hilum. ch. The chalaza. n. The nucleus, r. The raphe connecting the chalaza or base of the nucleu
RMPFW0M5–. Fresh-water biology. Freshwater biology. Fig. 73. Stephanodiscus niasareoe Ehrenberg. X 606. (Original.) A B 9 (i, 10) Valves more or less cylindrical, often in chains, ends greatly ex- tended, usually forming long spines. Family RmzosoLENlACEAE. Only one genus Rhizosolenia Ehrenberg. Fig. 74. Rhizosolenia eriensis H. Smith. Schroter.) X 190. (After 10 (i, 9) Valves not circular or cylindrical, of different shapes, symmetrical in reference to a longitudinal or transverse axis; surface marked by costae or ptmctate lines making definite angles with a middle raphe or a median Une 11 11(34,38) A
RMRDYG4H–. A textbook of botany for colleges and universities ... Botany. TMALLOPHYTES 53 In many cases the valves are sculptured with fine transverse lines (really rows of dots), the markings being so regular and minute as to serve as a test of the defini- tion of lenses. There is also a longitudinal line {raphe), which represents a cleft or a series of openings through which pseudopodia are thrust for locomotion. There are two distinct aspects of such cells: that showing the relation of the valves being the girdle side and that showing the face of a valve being the valve side. Structure.—The protopla
RMRDH8GT–. The natural history of plants. Botany. Kg. 140. Long. sect, of fruit (I). and solitary vittse in the interposed furrows. They are glabrous perennial herbs, European and oriental, with decompound ternati- pinnate leaves and compound umbels, furnished with involucres and involucels formed of numerous bracts. The seeds are concave on the face, in which the raphe is sunk. Molopospermum (fig. 141) has nearly all the characters of Physospermum, especially in the organs of vegetation; but in the fruit, more elongate, constricted also at the com- missure, the primary ridges are very unequally develo
RMRDNH2M–. Veterinary surgery ... Veterinary surgery; Veterinary pathology; Horses; Teeth; Domestic animals. 218 ANIMAL DENTISTRY. palate, usually in the region of the fifth molar, and traverse upward between the teeth and along the alveolar border. They are first observed by the appearance of a diffused swell- ing of the palate extending along the molars and transversely across the raphe. They extend upward into the alveolar cavities around two, three, or even four molars, into the sinuses, and even produce bulging of the facial bones. The molars loosen and fall out or are easily extracted with the fi
RMRE1NY2–. College botany; structure, physiology and economics of plants. Botany. 96 COLLEGE BOTANY inverted ovale, of which the violet is an example—^the ovule is inverted and the stem or funicle extends the full length, as the raphe (Fig. 71). The ovules (Fig. 72), which are borne within the ovary, are. Fig. Tl.^Types of ovules; (a) orthrotropous, (6) campylotropoua, (c) amphitropoua, {d) anatropous. to develop into the seeds. Each mature ovule is composed of a mass of cells, which is known as the nucellus, and is siirrounded by one or usually two integuments, which are to become the seed coats (Fig.
RMRDTKA6–. An introduction to the structure and reproduction of plants. Plant anatomy; Plants. 358 OVULES bent down against its stalk (fiiniclc, f.), so that the micropyle {ni.) is directed towards the placenta. The greater part of the funicle is in this case fused with the adjacent portion of the outer in- tegument, which is in consequence not easily distinguished on this side. The fused region, known as the raphe {r.), is traversed by the vascular bundle {V.b.) which enters the funicle from the placenta, and which extends as far as the base of the nucellus (a region known as the chalaza, Ch.).. Fig.
RMRE06PY–. A laboratory manual and text-book of embryology. Embryology. DEVELOPMENT OF THE HARD PALATE 157 them owing to a change in the position of the mandible due to the development of its arch (Fig. 146 B). With the withdrawal of the tongue the edges of the Median palatine proces Lateral palatine process. process ^ L j j Int. choanal Oral cavity Med. palatine- process Raphe of lal. palatine process Nasal passage Anlage of uvula -. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrati
RMRJ2D53–. The elements of structural botany [microform] : with special reference to the study of Canadian plants, to which is added a selection of examination papers. Plant anatomy; Botany; Plantes; Botanique. ! -i: I 160 ELEMENTS OF STRUCTURAL BOTANt. with it, and forming what is then called the raphe. Fiff, 21] represents this condition, r being the raphe, s the chalaza, and the other letters corresponding to those in Fig. 210. Sometimes the curving of the ovule upon itself is not carried to this extreme, and an intermediate form is presented, as in Fig. 212. m. IV Fig. 210. Fig. 211. If the ovule
RMRE41KC–. The anatomy of the horse, a dissection guide. Horses. 230 THE ANATOMY OF THE HORSE. Action.—The muscle acts on the crico-arytenoid joint in a manner antagonistic to the preceding muscle, approximating the vocal cords and narrowing the glottis by swinging the arytenoid cartilage inwards. The Arttbnoideus Muscle (Fig. 28). This may be regarded either as a single muscle, or as a double muscle whose right and left fibres meet at a median raphe.. Its fibres are inserted on each side into the pos- terior surface of the arytenoid cartilage, and superiorly it is joined by the higher fibres of the th
RMRDG007–. Neurological technique; some special histological methods employed for the study of the nervous system, together with a laboratory outline for the dissection of the central nervous system and the neurological nomenclature "[bna]" arranged in a classified list. Nervous system. Method XX 127 Section 6, to pass through the lower extremity of the oliva and the point of the calamus scriptorius Draw, giving special attention to the following structures : Fissura mediana anterior, pyramis, raphe, and calamus scrip torius. Nucleus funiculi gracilis and nucleus funiculi cuneati, fibrae arcu
RMRDY9XW–. The anatomy of the domestic animals . Veterinary anatomy. MUSCLES OF THE FACE 345 The buccinator shows no marked variation, but its superficial layer is well developed. The dilatator naris lateralis arises in front of the facial tuberosity, passes for- ward between the branches of the levator nasolabialis, and terminates in the lat- eral wing of the nostril. The dilatator naris apicalis is situated in the muzzle and joins its fellow at a median raphe. It arises on the border and upper surface of the body of the pre-. FiG. 301.—Muscles of Head of Ox; Dorsal View. a, a', Levator labii superior
RMRJ443B–. The teaching botanist [microform] : a manual of information upon botanical instruction : together with outlines and directions for a comprehensive elementary course. Botany; Botanique. -micropi/k—' hilurn---. raphe-. c'iala7.a,—- Fig. 12. — Good drawing, by a beginner, of Lima Bean, XiJ. made, but in these every line and spot should have its mean- ing, and nothing admitted for which there is not an equivalent in the seed. Outlines should be firm, clear, and complete, and haziness not permitted. The drawings should not be a com- posite made up from several specimens, but an accurate draw- ing
RMRDG3MG–. The natural history of plants. Botany. TEBEBINTHA OE^. 283 length, by a narrow mfundibnliforui channel, and terminated by an irregular stigmatiferous head with two or three unequal lips. In the ovary cell is seen, near the summit, a parietal placenta support- ing two collateral descendent anatropous ovules, with dorsal raphe, the micropyle directed inwards and upwards under the point of attachment. The fruit (fig. 333, 333) is a large elongated apiculate Fhytocrme Itizoniensis,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for rea
RMRE2M2M–. Elementary botany. Botany. 334 MOKPHOLOGY. The seed. Ripened, ovule. 665. Synopsis of the seed. Aril, rarely present. Ovular coats (one or two usually present), the testa. Fimicle (stalk of ovule), raphe (portion of funicle when bent on to the side of ovule), micropyle, hihim (scar where seed was attached to ovary). Remnant oj the nucellus (central part of ovule); sometimes nucellus remains as Perispenn in some albuminous seeds. Endosperm, present in albuminous seeds. Embryo within surrounded by endosperm when this is present, or by the remnant of nucellus, and by the ovular coats which make
RMRE1RA7–. A manual of Indian botany. Botany. I02 MORPHOLOGY TROPOUS (inverted)—B, in which, owing to the ex- cessive growth in length of the funicle, the ovule becomes top-heavy, and the nucellus, in consequence toppling over, becomes inverted, and the elongated funicle adheres to one side of the nucellus and grows along with the integuments, forming a sort of ridge on the wall of the ovule, known as raphe, and owing to the inverted position of the nucellus, the micropyle and the chalaza change their position with respect to. Fig-. 95-—Ovules A, Orthotropous. B, Anatropous. u, Campylotropous. k, Nucel
RMRDH63N–. On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. 236 ANATOMY OF VERTEBRATES. tubcB, fi""S. 148, 149, 4, arises from the mastoid, and is inserted into the postero-inferior angle of the tympanic and into the begin- ning of the eustachian tube. The following are muscles of the hyoidean arch and appen- dages. The mylohyoideus, fig. 153, 13, extends transversely between the mandibular rami, and is attached to the hyoid by its median 152. raphe. The iniio/ii/Didnis, llgs. 150, 152, 14, arises from the coracoid, and is inserted into tlie basi-, cerato-, and thyro-hy
RMRDCNJM–. The botany of crop plants : a text and reference book. Botany, Economic. 422 BOTANY OF CROP PLANTS ^andard numerous ovules. Members of the genus are quite regularly visited by insects. The pod is linear, straight or curved, subterete or compressed, two-valved, and tipped with a persistent style. The seeds ("beans") are large and have a prominent, approx- imately central hilum, on one side of which is the micropyle, on the other, the raphe. The embryo is large and occupies the whole of the seed, i.e., endosperm is wanting. The hypocotyl and plumule are prominent; the two large cotyl
RMRE41WT–. The anatomy of the horse, a dissection guide. Horses. DISSECTION OF THE HEAD AND NECK. 201 its entire length by a median raphe, and is crossed from side to side by from eighteen to twenty curved ridges. The concavity of the ridges is directed upwards (towards the root of the tongue). The ridges are sharpest and the interspaces are narrowest at the upper part of the palate. A layer of connective-tissue with numerous veins connects the mucous membrane to the periosteum of the bones forming the basis of the palate.. Fio. 21. Haed Palate • 1 Palato-labitd artery of right side; 2. Inosculation of
RMRDWDK3–. Plants and their ways in South Africa. Botany; Botany. Flowers and theh- Parts 133 the whole ovule is so bent that a line drawn through the funicle would cut at right angles, nearly at the centre, a line drawn through the chalaza and the micropyle. The funicle is partially fused with the seed-coat forming the raphe. The anatropous ovule which occurs most frequently, is still further bent so as to bring the micropyle down to the funicle, the chalaza lying at the opposite end. The raphe extends the whole length of the ovule. The campylotropous ovule,. Fig. 119.—Sections of ovules (diagrammatic
RMRDJ66A–. Anthropoid apes. Apes. ANATOMICAL STRUCTURE OF ANTHROPOID APES. 191 from it by a wide raphe. The internal female organs are also like those of the human organism, with only slight Tariations. Bischoff is correct in the assertion that the external lips of the pudendum and the mons veneris are almost wholly absent. Bolau, Ehlers, and Hermes have ascertained that there is a menstruation which occurs periodically, at any. Fig. 66.—The brain of an orang, seen ftom the side (Vogt, from Gratiolet). F, Frontal lobe. P, Parietal lobe. 0, Occipital lobe. R, Fissure of Kolando. S, Fissure of Sylvius. C
RMRDGCWY–. The natural history of plants. Botany. Fig. 151. Flower, (f). bundles of tongues, having no other connection with the filaments. The gynseceum/ supported by the central column of the receptacle, generally recurved outwardly at a certain age, is formed of an ovary with three cells (two of which are posterior), surmounted by a style with three branches, the summit, generally bifid, being furnished within or laterally with stigmatic papilloe. In the inner angle of each cell is seen an axile pla- centa, supporting an anatropous descen- dent ovule, with ventral raphe, and superior exterior microp
RMRJ0XX0–. The elements of structural botany [microform] : with special reference to the study of Canadian plants : to which is added a selection of examination papers. Plant anatomy; Botany; Botanique; Botanique. 150 ELKMENTH OF HTIIUCTUKAL HOTANT. 'iff" with it, and forming what is then called tho raphe. Fig. 211 ropresonts this condition, r being tho raphe, « the chalaza, and tiio oth(ir letters corresponding to those in Fig. 210. Sometimes tiie curving of the ovule upon itself is not carried to this extreme, and an intermediate form is presented, as in Fig. 212.. Fig. 210. If the ovule remains
RMRDG3C7–. The natural history of plants. Botany. COBNACilM. 71 vertical furrow. Tbe latter corresponds to the placenta, -which supports a descending anatropous ovule inserted near the summit, with superior micropyle turned towards the placenta,' and dorsal raphe. The fruit is a berry, crowned with a scar or with the remains AUcuha japonica.. 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.. Baillon, Henri Ernest, 1827-1895; Hartog, M
RMRDHR2C–. Elementary botany : theoretical and practical. A text-book designed primarily for students of science classes connected with the science and art department of the committee of council on education . Botany. Fig. â itiT.â Viola, tricolor. A, longitudinal section of anatropous ovule after fertilisa- tion : pi, placenta ; w, swelling on the raphe; router, /, inner integument; >, pollen- tube entering micropyle; e, embryo-sac, with the fertilised germinal vesicle at the micropyle end, and numerous endosperm cells at the other. B, apex of embryo-sac, e, with young embryo, eh^ of three cells,
RMRE3NAH–. The tailless batrachians of Europe. Frogs; Amphibians. 24 INTRODUCTION. a stripped skin held against the light, gives rise to the yellow vertebral line which is normal in.Bm/o calamita, and only exceptional in B. vliiJls and wiiZ^ar/s, inde- pendently of another light vertebral streak which is sometimes also present. The independence of the two is most conspicuous in cases of deviation of the former, as often happens in Bafo calamita, which appears to be caused by the presence of large glands in the course of the raphe necessitating a winding (Fig. 9). Fig. 9.. Biifo calamita, showing yellow
RMRE2NGW–. Elementary botany. Botany. I02 PHYSIOLOGY. (see Chapter 36), and at the outer end of the raphe is the cha- laza, the point where the stalk is joined to tlie end of the ovule, best understood in a straight ovule. Upon the opposite side of the scar and close to it can be o -' "⢠seen a minute depression, the mkropyle. Under- â '* neath the seed coat and lying between this point r and the end of the seed is the embryo, which gives â greater prominence to the bean at this point, but it is especially more prominent after the bean has been soaked in water. Soak tlie beans in water and as F
RMRDG2FD–. The natural history of plants. Botany. VALEBIA NA GEM. 505 free below the insertion of the filament. The inferior ovary has three cells; one, lateral, fertile, containing a descending ovule inserted at the top, anatropous, with raphe primarily dorsal' and micropyle interior and superior; ^ the two others, smaller, situate on the other side of the flower, sterile or containing only an imperfect ovule. The Kardostttchyt Jatamansi,. Fig. 397. Flower (}). Fig. 398. Diagram. Fig. 399. Long. sect, of flower. style, scarcely encircled at the base by a small prominence on the pummit of the ovary, is
RMRE00X3–. Surgical and obstetrical operations. Veterinary surgery. 64 TRACHEOTOMY the skin, which has very little sensation and the require- ments for anaesthesia are small. After the skin muscle is cut through, in order to avoid hemorrhage, separate the two sterno-thyro-hyoidens muscles by means of tenacula along the median raphe in the white strip of connective tissue. The opening into the trachea may be made in a variety of ways. The quickest and most crude method is to slit it from above downward through two or three trach- eal rings, and pressing the several ends apart, insert the tube through th
RMRJ2D48–. The elements of structural botany [microform] : with special reference to the study of Canadian plants, to which is added a selection of examination papers. Plant anatomy; Botany; Plantes; Botanique. 150 ill 111 ii ' ii ELEMENTS OP STRUCTUHAL BOTANY. with it, aud forming what is then called the raphe. Fig. 211 represents this condition, r being the rapiie, 6 tne chalaza, and tlio other letters corresponding to those in Fig. 210. Sometimes the curving of the ovule upon itself is not carried to this extreme, and an intermediate form is [presented, as in Fig. 212.. Pig. 210. Pig-. 211. If the o
RMRDH0Y6–. A Manual of botany : being an introduction to the study of the structure, physiology, and classification of plants . Botany. CAPEIFOLIAOE^—EUBIACE^. 511 Europe, Asia, and America ; found very sparingly in northern Africa, and little known in the southern hemisphere. The order has been divided into two sub-orders:—1. Lonicereae, the true Honeysuckles, with a regular rotate or tubular corolla, three sessile stigmas, and a raphe on the inner side of the ovule. 1. Sambucese, the Elder Tribe, with a corolla more or less tubular, often irregular, a filiform style, and a raphe on the outside of the
RMRDGBY0–. The natural history of plants. Botany. 298 NATURAL HISTORY OF PLANTS. Chioeocca racemosa.. Fig. 284. Diagram. corolla, and their monadelphous filaments form a short tube around the style above which they become free, more or less hairy, and support a dorsifixed bilocular extrorse anther,' dehiscing by two longitudinal clefts. The ovary is surmounted by a thick disk and a style whose stigmatiferous extremity is slightly dilated and almost entire. The ovarian cells are two in number, rarely more, each enclosing a descending ovule inserted near the top of the internal angle, with dorsal raphe,
RMRDGHYM–. A Manual of botany : being an introduction to the study of the structure, physiology, and classification of plants . Botany. Fig. 458. carried round so as to be at the opposite extremity (fig. 457, 5, c), then the ovule becomes inverted, anatropal or anatropous [avar^iiroi, I subvert). In this case (fig. 458) the union of the chalaza, ch, with the nucleus, n, is removed from the hilum, and the connection between the chalaza and placenta is kept up by a vascular cord, r, passing through the funiculus, and called the raphe Qatpfi, a line). The raphe often forms a ridge along one side of the ov
RMRDG3K3–. The natural history of plants. Botany. 346 NATURAL HISTORY OF PLANTS. gltudinal placenta supporting two collateral or nearly superposed ovules, more or less ascendent, anatropous, with the raphe turned inwards, and the micropyle downwards and outwards. The fruit is formed of one, two, or three gibbous drupes with a stone more or less rugose and reticulate outwardly, and covered by a sarcocarp of vari- able thickness. In each stone is found two or, more often, one as- cendent, reniform seed, with albumen of little thickness or reduced to a simple membrane, enveloping a curved embryo, having l
RMRDG3N5–. The natural history of plants. Botany. 278 NATURAL HISTORY OF PLANTS. surmotmted by a style, more or less eccentric,^ more or less lengthened,'* dilated at its apex into a small stigmatiferous head. On its anterior wall, the ovary cell presents a placenta bearing above two collateral descendent ovules, supported by an arched funicle sometimes dilated above the micropyle; this is directed inwards and upwards under the point of attachment, the raphe being dorsal. The fruit is a drupe, glabrous or pubescent, whose stone contains a descendent seed with abundant fleshy albu- men, and in whose axi
RMRDH7D0–. The natural history of plants. Botany. Fig. 384. Diagram (flower with. 5-ceUed ovary). Fig. 386. Diagram (flower with 3-celled ovary'). to a thin glandular bed; it is produced in a conical form and divided above into 3-5 short stigmatiferous lobes. Corresponding to these and to the lobes of the corolla (fig. 384) are as many cells each containing a descending ovule, inserted near the summit, with micropyle interior and superior, while the raphe is dorsal/ The fruit is a drupe with 3-5 putamens more or less thick, enclosing each a descending seed, the fleshy albumen of which surrounds an embr
RMRE2NP4–. A handbook of cryptogamic botany. Cryptogams. DIATOMACEM 421 1 Fig. 'i'^^h.T-Ano^nceneis spherophora. a^ c, girdle- view ; 6, valve-view. The endochrome-plates are shaded ( x goo). (After Pfitzer.) or zonal view; the aspect in which the surface of the. valve is turned to- wards the observer is the side or valve view. In many diatoms the central space on the valve view not occupied by transverse strise shows at its middle and at each end a strongly refractive thickening known as a node or nodule; and these nodules are connected with one another by a longitudinal Ime or rib—the raphe or sutu
RMRDG3DY–. The natural history of plants. Botany. Fig. 390. Longitudinal section of seed. Fig. 385. Flower. Fig. 389. Seed (f). flowers are also observed, having five sepals, with three or four ungui- culate petals, five to eight declinate stamens, and a unilateral disk; but in each ovary cell is inserted, towards the middle of the internal angle, two ovules primitively ascendent, with the raphe internal, whilst when full grown, only one remains so, the other becoming descendent, with the raphe outwards. The fruit (fig. 387-388) is a vescicular capsule, recalling that of Cardiospermump^la.os(i three ce
RMRDH7KC–. The natural history of plants. Botany. Fig. 289. Inflorescence.. Fig. 290. Flower (j). Fig. 291. Diagram. Fig. 292. Long. sect, of flower. The flower is often 4, 5-merous, with an inferior ovary of two cells, in each of which is a descending ovule with dorsal raphe, an umbilic more or less thick and micropyle interior and superior. The calyx is entire or with four or five teeth or lobes, and is early detached at the base. The corolla, valvate, 4, 5-lobed, bears, at a variable height of its tube, deflexed hairs, often arranged in a very clearly defined ring. The stamens have an introrse anthe
RMRPXGAE–. Text-book of botany, morphological and physiological. Botany. FIG. 400.—Viola tricolor; A longitudinal section through the anatropous ovule after fertilisation, pi the placenta, tv cushion on the raphe, a outer, i inner integument, p the pollen-tube which has entered the micropyle, e the embryo-sac containing the embryo (to the left) and a number of young endosperm-cells; B and C the apices of two embryo-sacs e with the embryo eb attached to it; the suspensor in B is two-celled. In many cases the development of endosperm does not proceed beyond this point, for the growing oospore comes into
RMRJ1T72–. The silva of North America [microform] : a description of the tree which grow naturally in North America exclusive of Mexico. Trees; Trees; Monocotyledons; Gymnosperms; Arbres; Arbres; Monocotylédones; Gymnospermes. f'l li 1 H EXPLANATION OF THE PLATE.. Platk DVL Pskudoph(Enix Saboenti. 1. A branch of a fruiting panicle, natural size. '2. A l-seeded frnit, with siihbasal lateral stylo anil remnants of the flower, one of the petals renioveil. natural si/o. .'). Vertical seetion of a ,'!-lol)ed fruit, natural size. 4. A stone, natural »he. 6, A seed, lateral views, showing the branching raphe,
RMRE1JN4–. A manual of botany. Botany. Fig. 581. Marginate or bordered seed of Sandwort (^Armarta). Fi'j. 582. Comose oval seed of Asclepias. Ful. 583. Toung anatropous seed of the White Water-lily {Nymphtea alba) cut vertically. F. Funiculus. A, A. Gelatinous aril. t. Integuments of the seed. N. Nucellus. il. Raphe. ch. Chalaza. M. Micropyle. s. Embryo-sac. E. Rudimentary embryo. at other times it lies in a furrow formed in the substance of the testa, so that the surface of the seed is smooth, and no evidence is afforded externally of its position. The testa is also usually marked externally by a scar
RMRDRD58–. Notes on the life history of British flowering plants. Botany; Plant ecology. Fig. 261.—Friut and seed of Oak. u, placental axis ; ch, chalaza ; m, niicropyle ; o, abortive ovule. Fig. 252.—Fruit and seed of Nut. Nat. size. cA, cliala^a ; m, mycropyle ; o, abortive ovule ; pi, placental axis ; v, raphe. several cells, each with one or two ovules, though none of the others comes to anything. They can, however, easily be seen, either at the apex of the seed, as in the Nut (Fig. 252) and Beech (Fagus), or, as in the Oak (Fig. 251), near the base. Their presence appears to indicate that these sp
RMRDB7K9–. Fresh-water biology. Freshwater biology. I30 FRESH-WATER BIOLOGY '7 (36) Girdle side geniculate. Valves straight, linear, or fusiform; frus- tules either free or stalked. . Family Achnanthaceae. Only one genus Achnanthes Bory. Cells so curved that the two valves are not alike, the one concave with raphe, middle and nd nodules; the other convex, without a middle nodule, but with a pseudo-raphe. Girdle view symmetrical with reference to a transverse axis. Cells single or in bands, ^^ mostly on gelatinous stalks., ^ Fig. 90. Nitzschia linearis Smith. X 57S' â â-^ fOrieinal.) (Original.) 40 (39,
RMRDXNY3–. The anatomy of the domestic animals . Veterinary anatomy. f'- "'?kV Fig. 633.—Cross-section of Medulla Oblongata of Horse, Passing through Facial Nucleus. Cr, Corpus restiforme; D, dorsallongitudinal fasciculus; Fa, ascending part of facial nerve; L, fillet; iV7, nucleus of facial nerve; NS, triangular nucleus of of vestibular root of eighth nerve; N8', spinal root of eighth iierve; Py, pyra- mid; iBa, raphe; i27, radicular part of facial nerve; 7^5, vestibular root of eighth nerve; 5(7, substantia gelatinosa; Ta, posterior end of tuberculum acusticum; V, spinal root of trigeminus. (EUe
RMRDXNY8–. The anatomy of the domestic animals . Veterinary anatomy. f'- "'?kV Fig. 633.—Cross-section of Medulla Oblongata of Horse, Passing through Facial Nucleus. Cr, Corpus restiforme; D, dorsallongitudinal fasciculus; Fa, ascending part of facial nerve; L, fillet; iV7, nucleus of facial nerve; NS, triangular nucleus of of vestibular root of eighth nerve; N8', spinal root of eighth iierve; Py, pyra- mid; iBa, raphe; i27, radicular part of facial nerve; 7^5, vestibular root of eighth nerve; 5(7, substantia gelatinosa; Ta, posterior end of tuberculum acusticum; V, spinal root of trigeminus. (EUe
RMRDB7M6–. Fresh-water biology. Freshwater biology. 126 FRESH-WATER BIOLOGY 1 (9, 10) Valves circular, raphe lacking, markings radial 2 2 (s) CeUs cylindrical or ellipsoidal, united into filaments. Valve side circu- lar, either convex or flat. . Family Melosiraceae . 3 3 (4) Cells with no spines or teeth; valves either smooth or punctate, usually convex; girdle side punctate Melosira Agardh. Melosira is very common in ponds, rivers, lakes, and reservoirs, and occurs in great quantities in the plankton. The filaments are often very long. Fig. 69. Melosira varians Agardh. X 600. (Original.) 4 (3) Cells s
RMRE06PP–. A laboratory manual and text-book of embryology. Embryology. process ^ L j j Int. choanal Oral cavity Med. palatine- process Raphe of lal. palatine process Nasal passage Anlage of uvula -. A B Fig. 147.—Dissections to show the development of the hard palate in pig embryos. A, ventral view of palatine processes of a 22 mm. pig embryo, the mandible having been removed; B, same of 35 mm. embryo showing fusion of palatine processes. palatine folds are approximated and soon fuse, thus cutting off the nasal passages from the primitive oral cavity dorsad (Fig. 147 B). At the point in the median lin
RMRDB7JG–. Fresh-water biology. Freshwater biology. Fig. 98. Meridion constriclum Ralfs. X 300. Smith.) (After SS (49) Valves without transverse costae. Family Fragilaeiaceae . 56 Cells of much the same structure as Dialoma. Transverse striations composed of separate dots; with or without raphe and end nodules. 56 (S7, 58) Cells very slender, not united in bands, either free or attached at one end, forming clusters on higher algae. Synedra Ehrenberg. Fig. 99. Synedra salina W. Smith. X 588. (Original.) Fragilaria Lyngbye. Sfi S7 (56, 58) Cells forming bands or zig-zag chains.. Fragilaria is a common ge
RMRDB7KM–. Fresh-water biology. Freshwater biology. Fig. 73. Stephanodiscus niasareoe Ehrenberg. X 606. (Original.) A B 9 (i, 10) Valves more or less cylindrical, often in chains, ends greatly ex- tended, usually forming long spines. Family RmzosoLENlACEAE. Only one genus Rhizosolenia Ehrenberg. Fig. 74. Rhizosolenia eriensis H. Smith. Schroter.) X 190. (After 10 (i, 9) Valves not circular or cylindrical, of different shapes, symmetrical in reference to a longitudinal or transverse axis; surface marked by costae or ptmctate lines making definite angles with a middle raphe or a median Une 11 11(34,38) A
RMREN8EF–. The elements of structural botany with special reference to the study of Canadian plants [microform]. Botanique; Botany; Plant anatomy; Physiologie végétale; Plant physiology; Botanique. 150 ^:L^;MENr.s ok sthuctural ijotant. f Mil''' ivitli It, an<l furmi.i- what is then calhul tJio raphe. Fia 21J rq.rc.soi.t.s this cn.lition, r Imug the raj , .• u.c ciuiaza, aji.l the other h-tteis corresiMindiii.' to thos<- ;„ 1%'. 210. Soi.ietiii.,.s ihu cmviiig of the ovule upon itself is not r<;.sonted, as in Fig. 212. m u ^/^/i; //Tnl))) ";l. Please note that these images are extracte
RMRDX71E–. A general system of botany, descriptive and analytical. In two parts. Part I. Outlines of organography, anatomy, and physiology. Part II. Descriptions and illustrations of the orders. By Emm. Le Maout [and] J. Decaisne. With 5500 figures by L. Steinheil and A. Riocreux. Translated from the original by Mrs. Hooker. The orders arranged after the method followed in the universities and schools of Great Britain, its colonies, America, and India; with additions, an appendix on the natural method, and a synopsis of the orders, by J.D. Hooker. Botany. LXXXII. FEANCOACEJE. 401 pous, raphe dorsal. Ao
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