. 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. Plant diseases; Parasitic plants. HYDNUM. 433 Hydnum Schiedermayeri ileull. ( America^.. 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 J^irvs. Accord- ing to Schroeter, Thiimen, and Ludwig, the mycelium spreads through the stems and kills the trees. Thiimen^ thus describes the diseased wood of t
. 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. Plant diseases; Parasitic plants. HYDNUM. 433 Hydnum Schiedermayeri ileull. ( America^.. 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 J^irvs. 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 ; 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 !•;. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may no
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectparasit, bookyear1897
