. Fio. 281.âPolyporun annosus Fr. (^Trametes radiciperda Havtig). Stool of a forty-year Spruce, which has been dead for two or three years. The sporophoi e several years old. «, a, White open-pored layer forming over tlie dead basidial layer, h, h; at c a narrow strip of wood still remains fii'm, the remainder is completely destroyed and rotten. (After R. Hartig.) This species was first investigated in detail by K. Hartig,^ and is described by him as the most dangerous of all parasites in the conifer forest. It is most frequent on Conifers, cjj. pine, Weymouth pine, spruce, silver fir, Do
. Fio. 281.âPolyporun annosus Fr. (^Trametes radiciperda Havtig). Stool of a forty-year Spruce, which has been dead for two or three years. The sporophoi e several years old. «, a, White open-pored layer forming over tlie dead basidial layer, h, h; at c a narrow strip of wood still remains fii'm, the remainder is completely destroyed and rotten. (After R. Hartig.) This species was first investigated in detail by K. Hartig,^ and is described by him as the most dangerous of all parasites in the conifer forest. It is most frequent on Conifers, cjj. pine, Weymouth pine, spruce, silver fir, Douglas fir, balsam fir, juniper, and Thuja; it also occurs on various broad-leafed trees, beech ^ and hawthorn. ^R. Hartig, Zerset-Amriserschfiinnnijtn, PI. WichtUjf. Krankheiten, PL III. Zei/.'^rhri/t f. Fork-xind Jaifd-iveaen, 1889, p. 428. Botan. CentrcJUatl^ XLii., 1890. â ^Brefeld, Schimmelpihe, Heft 8, 1889. ' Rostrup, Afhildniini oij Beskrivelse af de farluiMe Snylte-numpe, 1889.
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi
