Polyporus 



POLYPORACE^; 



333 



LXII. POLYPORUS Mich. 



(From the many pores or mouths of the tubes of the hymenium; 

 Gv.polus, many,/0/w, a pore.) 



Pilens 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 lentus Berk. ; B, P. Rostkawii Fr. ; 

 c, P, umbellatus Fr. ; D, P. ceesius 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 



