Fames POLYPORACEiE 349 



1579. F. nigricans Karst. (from its black pileus : niger, black) a c. 

 P. hoof-shaped or pulvinate, very thick, deeply and concentrically 



sulcato-zoned, cuticle very hard, shining, black ; marg. very 

 obtuse, ferruginous. T. somewhat long, single to 13-stratose, 

 ferruginous. Po. very small, obsoletely angular, dark yellowish- 

 grey. Flesh very hard, yellowish-brown. 



Living and dead birch, beech, hornbeam ; uncommon. May-Oct. Diam. 

 5^ in. A var. of 1578 according to Bresadola. 



1580. F. igniarius Karst. (from its former use as tinder ; ignis, fire) 



a b c. 



P. tuberculoso-globose, immarginate, then hoof-shaped, deeply 



sulcato-zoned, uneven, smooth, cuticle very hard, ochre to 



reddish- and blackish-brown ; marg. rounded. T. long, single 



to 9-stratose. Po. very small, pale tawny, at length cinnamon, 



when old filled with white mycelium. Flesh very hard, zoned, 



ferruginous. 



Trunks, ash, poplar, willow, cherry, plum, plane, apple, oak, fir, beech, 

 alder, maple, birch ; common. Mar. -Nov. Diam. 6^ in. Formerly used as 

 a haemostatic. The ashes are used by the Ostiaks and Kamtschatkans as 

 snuff. Only used as tinder after baking, boiling and beating. Hartig 

 considers this to be a parasite. Occurs in peat-beds in the eastern counties 

 and in the lake-side pile-dwellings of Switzerland and Italy. The form on 

 willow has been named Polyporus pomaceus Pers. 



1581. F. fulvus Karst. (from the tawny pileus ; fulvus, tawny) a b c. 

 P. ventricose, hoof-shaped, triangular in section, at first villoso- 



hairy, then even, rich tawny. T. short, ochre or brown-biscuit. 



Po. minute, colour as P. Flesh woody-corky, tawny. 



Somewhat caespitose and imbricate. Decayed trunks, beech, silver-fir, 

 spruce ; rare. Oct. -Mar. Diam. 3! in. Pores not always distinctly 

 stratose. According to Bresadola the same as Polyporus cinnamomeus 

 Trog. 



1582. F. peetinatus Cooke (from the comb-like markings on the 



pileus ; pecten, a comb) a b c. 



P. flattened, thin, concentrically lamellato-plicate and tomentoso- 



scaly, whitish-brown, salmon or deep umber-sienna. T. short, 



yellow-brown ; marg. barren. Po. very small, somewhat pale 



salmon-umber. 



Imbricate. Trunks. Group 6J in. diam. P. 4^ in. diam. A form of 1584, 

 according to Bresadola. 



1583. F. eonehatus Karst. (from its shape ; concha, a shell) a b c. 



P. flattened, thin, concentrically sulcate, somewhate corrugate, 

 tomentose, deep yellow-brown or sienna-brown ; marg. acute. 

 T. short to long. Po. very small, yellow-orange or brownish, 

 sometimes olive-shaded. Flesh thin, hard, corky, yellowish- 

 brown. 



Imbricate. Trunks, willow, beech ; frequent. Feb. -Oct. Group 4$ in. diam. 

 P. 2$ in. diam. Often wholly resupinate. A form of 1585 according 

 to Bresadola. 



