Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplant00tube Year: 1897 488 FUNGI IMPKRFECTI, Faded spots appear on the leaves, becoming later greyish brown dotted over with minute black points, the conidial patches.' C. ampelinum (!av. causes little dry spots on the leaves of vine, fre- quently ill such numbers that the whole leaf dries up. C. kentiae Hals, attacks palm-seedlings so tiiat their leaves do not unfold. C. cyclameneae Hals, occurs on Cyclamen. Scoleco-Allaxt
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Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplant00tube Year: 1897 488 FUNGI IMPKRFECTI, Faded spots appear on the leaves, becoming later greyish brown dotted over with minute black points, the conidial patches.' C. ampelinum (!av. causes little dry spots on the leaves of vine, fre- quently ill such numbers that the whole leaf dries up. C. kentiae Hals, attacks palm-seedlings so tiiat their leaves do not unfold. C. cyclameneae Hals, occurs on Cyclamen. Scoleco-Allaxtosporae. Cylindrosporium. The white and shining conidial cushions are embedded in the host- plants. The conidia are filamentous, frequently somewhat twisted. Cylindrosporium Tubeufianum Alles- cher. This attacks the living green fruit of the bird-cheny, and causes the forma- tion of brown spots from which pustules lircak out; the premature dropping of diseased fruits follows. In the locality where I observed this disease, numerous trees were attacked and most of the fruii on each was badly diseased. The my- celium spreads through epicarp and mesocarp, but does not penetrate into the endocarp, so that the development of the embryo is not directly interfered with. The conidia originate in pycnidial cavities without any special peridiuni; their shape is given in the annexed diagnosis. The pycnidial cavities arise under the epidermis which is afterwards ruptured and with the cells underlying it becomes brown and dead. This note is taken from Underwood, Journal of Myroloriy, vii., but no mention is made of it in the later paper by Webber and Swingle ('Diseases of Citrous Fruits in Florida, ' U.S.A. Dept. of A[)rirul(nre Bulletin, 8, I896;i. (Edit.) - AUescher gives the following diagnosis of this species: Pustulis primum convpxis, epicarpio tectit, dein applanati'< ficutiformiliuxre, epicarpio rupto cinct.i'<pitosi.'i i-ef covfluentihun, luteo-brunneoUt, suhfurfuraceh: acervuli