Polystictus POLYPORACEiE 353 



salmon, silvery-glistening, at length ferruginous. Flesh rigid, 



corky, leathery, dull orange. 



Imbricate. Not perennial. Trunks, beech, birch, oak, hazel, alder, gorse ; 

 frequent. Oct. -April. P. 4^ in. diam. Must not be confounded with 

 1603. 



1595b,. P. nodulosus Cooke (from the nodular pileus) a. 



P. triquetrous, nodular, corky, woody, not zoned, villous, rugose, 



rough, fulvous then rust-colour. T. somewhat long. Po. 



roundish, unequal, acutely torn, light cinnamon with a silvery 



sheen. Flesh very hard, lighter than P. 



Imbricate. Dead beech. Oct. 2^ x f in. Distinguished from 1595 by the 

 at length confluent pores and by the absence of the brightly coloured 

 margin of pileus. 



1596. P. polymorphus Cooke (from its many forms ; Gr.polus, many, 



morphe, form) a. 



P. smooth, somewhat pale vinous-brown, dark shaded ; marg. 



crisped. T. deeply decurrent. Po. somewhat large, angular, 



torn, colour as flesh. Flesh coriaceous, salmon. 



Connato-imbricate. Branches, worked wood, fir. Aug. Group 2% in. diam. 

 P. 1 in. diam. Sometimes resupinate. 



1597. P. eryptarum W. G. Sm., Boletus cryptarum Bull, (from its 



frequent habitat — cellars ; crypta, a vault) a b c. 

 P. corrugate, zoneless, adpressedly silky, pale yellowish-vinous- 

 brownish. T. deeply decurrent, long. Po. minute, colour as 

 flesh. Flesh corky-cottony, paler than P. 



Connato-imbricate. Fir ; frequent. Group 4§ in. diam. Transferred to 

 Femes by Cooke and Saccardo. The same as 1608 according to Massee. 



1597a. P. ravidus Cooke (from the grey or tawny pileus ; rav?is, 



grey) a. 



P. coriaceo-corky, flattened, zoned, villoso-rugose, ochreous, 



slightly tinged brown-olive, base darker, sienna. T. somewhat 



short. Po. larger at mid., then smaller and absent at marg., 



biscuit-white. Flesh ivory-white. 



Imbricate. Stumps of old willows. Spread 5f in., I in. thick. Colour 

 variable, usually yellowish. 



1598. P. gossypinus Cooke (from the white-cottony pileus ; gossypium, 



cotton) a c. 

 P. tomentose, zoneless ; marg. slightly scaly, white. T. long, 



but varying. Po. labyrinthine, then angular, pallid cinereous. 

 Somewhat connato-imbricate. Trunks, furze. Jan. Diam. 2\ in. 



1599. P. fibula Fr. (from its button shape ; fibula, a button) a b c. 



P. velvety-hairy, zoneless, sometimes radiato-rugose, white. T. 

 varying in length. Po. small at length torn, white, sometimes 

 faintly sulphur. 



Single to subimbricate or in troops. Wood in cellars, forests, elm, oak. 

 Oct. -Jan. P. 2 in. diam. Sometimes shield-like, attached behind a 



2 A 



