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 456 lUSlDIOMYdiTES. branches like the runners of some hann;ing plant, Aaron's IJeard (S((.iifr(((ja mrmciUosd). The rhizoniorphs live as saprophytes and have been long known to emit phosphorescent light. Sporophores are developed directly on them, and if one sows the spores, a delicate hyphal tissue is produced, which, under suitable conditions, passes gradually over into the rhizo- mo
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 456 lUSlDIOMYdiTES. branches like the runners of some hann;ing plant, Aaron's IJeard (S((.iifr(((ja mrmciUosd). The rhizoniorphs live as saprophytes and have been long known to emit phosphorescent light. Sporophores are developed directly on them, and if one sows the spores, a delicate hyphal tissue is produced, which, under suitable conditions, passes gradually over into the rhizo- morph-strand. Brefeld succeeded in raising rhizomorphs from spores in artificial nutritive media. '- ' Fio. 285.—Affarkus m(lleu>: near a Ueech-stool. (v. Tubcuf phot.) The /r/«r/6'?<s-mycelium forms fan-shaped snowy-white firm membranous expansions under the bark of newly killed or still living trees. They are quite distinct from the much more delicate mycelial expansions of Polyporus annosus, and offer a particularly easy means of distinguishing between the two species. Another indication of Afjaricxs is the great outflow of resin from the bark at the base of the stem and from roots, whereby hard, clumps of earth are formed round the roots. The passage of the rhizomorphs into the white membranous mycelium is easily observed. The
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