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 124 PHYCOMYCETES. is very frequent on wild and cultivated Cruciferae throughout the whole world, and causes deformation of shoot, leaf, and flower. Fio. 34.—Ci/Atopus canditli'n. B, Conidiophores isolated from the cushion ; the conidia or spomiigia are united by intermediate cells. C, Sporangia breaking up to form swarm-spores. D, Swarm-sporos escaping. E, Swarm-spores in motile condition. F, Swarm


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 124 PHYCOMYCETES. is very frequent on wild and cultivated Cruciferae throughout the whole world, and causes deformation of shoot, leaf, and flower. Fio. 34.—Ci/Atopus canditli'n. B, Conidiophores isolated from the cushion ; the conidia or spomiigia are united by intermediate cells. C, Sporangia breaking up to form swarm-spores. D, Swarm-sporos escaping. E, Swarm-spores in motile condition. F, Swarm-spores come to and germinating. 0, Two germ-tubes entering a stoma of Lcpidiuni scUivam; the stoma is shown from the inside, so that the spores from which the germ-tubes arise are on the outer surface and unseen. (After De Bary.)


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