. 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. \.:yyv-:^. Fig. 139.—Sclerotinia hetulae. a, Birch fruits with sclerotia, which have germinated and formed cup-hke apothecial discs; rhizoids have developed on the stalks, h, Birch fruit, somewhat enlarged, with semilunar sclerotia. (After Nawaschin.) Hormoviyia hetulae Wtz. often occurs along with the above. It causes the production of thick spherical fruits with little or no wing. Sclerotinia
. 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. \.:yyv-:^. Fig. 139.—Sclerotinia hetulae. a, Birch fruits with sclerotia, which have germinated and formed cup-hke apothecial discs; rhizoids have developed on the stalks, h, Birch fruit, somewhat enlarged, with semilunar sclerotia. (After Nawaschin.) Hormoviyia hetulae Wtz. often occurs along with the above. It causes the production of thick spherical fruits with little or no wing. Sclerotinia aelnsta Karst. has also been found on birch leaves in Finland. Scl. alni Naw. Woronin found this first on catkins of Alnus ineana. Nawaschin has more recently investigated it.^ Scl. rhododendri This was first discovered by Fischer in 1891 in fruits of the Alpine-rose (Bhododendron fcrrugincum and R. hirsutum) in Switzerland. It has since been observed in various parts of Switzerland and the Tyrol. ^Nawaschin, Berichte d. deutHcli. hofan. Ges., 1894; Maul, Hedwiqia, 1894, p. 213. With two plates. - E. Fischer, Naturforseh. Ges. Bern, 1891 ; also Berichte d. schiceiz. hotan. Ges., 1894. With 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 not perfectly resemble the original Tubeuf, Karl, Freiherr von, 1862-. London Longman's, Green
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectparasit, bookyear1897
