Polyporus 



POLYPORACE/E 



333 



LXII. POLYPORUS Mich. 



.'^(From the many pores or mouths of the tubes of the hymenium; 



Gr. polus, many, poros, a pore.)) 



Pileus woody, corky or somewhat. soft, not zoned, flesh thick. 

 Stem long, short or none, when present simple. Hymenophore 

 descending and forming a trama between the tubes. Tubes connate 



Fig. 76. — Sections of a, Polyporus lentns Berk. : B, P. Rostkovii Fr. 

 c, P. umbellatus Fr. ; d, P. ccesius Fr. One-half natural size. 



with the substance of the pileus and not separable from it or from 

 each other, extended with round, angular or torn pores, not normally 

 stratose. (Fig. 76.) 



Persistent fungi, mostly growing on wood. Odour, if any, 

 slightly acid. A few are said to be edible. Species 1517a — 1575 



Mesopod^e. Pileus entire or excentric. Stem distinct, vertical, 



central, simple, self-coloured, not blackish at the base. 



a. Carnosce. Pileus fragile or pliant, dull in colour, scaly or 



floccose, not coriaceous, zoneless. Spores white, growing 



on the ground. Autumnal. Edible. 1517a, 1518 



