Diseases of plants induced by Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith diseasesofplants00tubeuoft Year: 1897 HYDNUM. 433 Hydnum Schiedermayeri ileull. ( Sporu- phores fleshy, with a sulphui-yollow colour Ijoth outside and inside, and with a smell (.»t' anise. They occur on living apple-trees, less frequently on other species of Jirvs. Accord- ing to Schroeter, Thiimen, and Ludwig, the mycelium spreads through the stems and kills the trees. Thiimen thus de
Diseases of plants induced by Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith diseasesofplants00tubeuoft Year: 1897 HYDNUM. 433 Hydnum Schiedermayeri ileull. ( Sporu- phores fleshy, with a sulphui-yollow colour Ijoth outside and inside, and with a smell (.»t' anise. They occur on living apple-trees, less frequently on other species of Jirvs. Accord- ing to Schroeter, Thiimen, and Ludwig, the mycelium spreads through the stems and kills the trees. Thiimen thus describes the diseased wood of the apple: 'It has a greenish-yellow colour, which passes over gradually to the normal colour of the wood: it becomes soft and friable, smelling, like the sporoplirirc, faintly f anise.' Sistotrema fusco-violaceum Selirad. (Britain.) This acronliiig to Skiljakuw- is on livinir pines, entering by , and caiTving destruction throughout the wood. POLYPOREAE. Polyporus. >poi-uphores large and 'k'.' Fui. -li'iS. —I'oljijioius ii/;ii((. ii(» on tiak. At the iipiicr uiiil i» wcMMl-iiti.'kur'« ncst-hole. (v. Tiit>eiif phot.) usually shaped more or less like a hoof or small Ijracket. The sporogenous layer is com- posed of cylindrical tubes, whi'li generally ttccupy the lower surface of the sporopliore. The substance between the tulx-s is dilVereul fmrn that nf the rest (d' the s])(iro])h(ire. Polyporus (Fomes) igniarius ().''(I>ritain antl I'.S. Aintnca). SpurM],||,,iC'iciiis nt (lak, alder, apple, willow, and other 'TluiiiHM, •'Kill ApfulljuuniScliadling.' ZiitHch. f. I' idraiikli'it- n. Is'.tl. -Skiljiikow, Srri/)/a hotnii. horti unirn-sitatiH Pitrojtolitnnftf, 1890. li. Iliiiti)', Xi 'II. I'l. .\\'. .uhI .\\I. •J !•;
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