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 112 I'lIYCOMYCETKS. on Stems, Hovver-stalks, radical and cauline leaves, and floral envelopes. Leucochytrium. (1) Forniin; simple vesicles: S. punctatum, Schroet. On Gayea pratcmis. S. rubrocinctum, Magnus, forms little red eruptions on Scun- frujja (jraiiuhitii, the cell-sap of the host-plant becoming red. S. alpinum, Thomas. On Viula hiflora. . S. anomalum, Schroet. (U. S. America). On Adoxa Moscha-
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 112 I'lIYCOMYCETKS. on Stems, Hovver-stalks, radical and cauline leaves, and floral envelopes. Leucochytrium. (1) Forniin; simple vesicles: S. punctatum, Schroet. On Gayea pratcmis. S. rubrocinctum, Magnus, forms little red eruptions on Scun- frujja (jraiiuhitii, the cell-sap of the host-plant becoming red. S. alpinum, Thomas. On Viula hiflora. . S. anomalum, Schroet. (U. S. America). On Adoxa Moscha- tcllviui, less common on Ranunculus Ficnria, Isojjyrum thalidroidcs and Rumcc Acetosa. The size and shape of the swellings, as well as of the spores, are very variable. (2) Forming compound vesicles: S. anemones, De l>ary and Wor. (U. S. America). On Anemone nemorosa, A. ranuncidoides and Thalidrum purpura- FiG. â 27.âSyiicliytnw>i anemones. The sporocarps form black points on leaves, petioles and perianth of the Anemone ; the lamintie are also stunted and distorted, (v. Tubeuf del.) sccns, attacking stems, leaves, or flowers, and forming eruptions whose cells contain a red sap. In very bad cases, crumpling and swelling of attacked organs occur.
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