Polyporus POLYPORACE/E 335 



d. Suberosa. Tufts somewhat sessile, lateral or central. Pilei 

 or Pilcoli corky or coriaceous, persistent, tough, free at 

 the base, not effused. Substance rloccose, somewhat soft, 

 suitable for tinder. Tubes adnate. On trunks close to 

 the ground. Not edible. 1547, 1548 



APOD^E. Pileus sessile, adnate by a thickened, dilated base, 

 dimidiate or entire, attached behind, commonly by an 

 umbo ; more rarely attenuate and sessile. On wood. 

 Polymorphous. 1549 1575 



a. Anodermecs. Pileus somewhat fleshy, without a cuticle, the 



surface broken into rlocci or fibres, zoneless, the substance 

 transversely zoned within and more or less fibrous. Annual, 

 not reviving. 



Pileus cheesy, at first watery-soft, fragile, flocculose, not bristly- 

 hispid ; when fully grown, soft to hard, but soon putrefying, 

 not lasting through the winter. Tubes white. 



Pores round, entire, obtuse, without small teeth. Not 

 becoming hard. 1549 1553 



Pores elongate, flexuous, acute and torn. 1554 1559 

 Pileus tough, fleshy-pliant, soft, elastic, villoso-tomentose. 

 Tubes somewhat adnate, coloured. Lasting till the following 

 spring. 



Substance coloured. 15601562 



Substance white or slightly brownish. 1563 1568 



At first moist, spongy, when dry firm, elastic, usually bristly- 

 hisped, internally fibrous. Autumnal, annual. The finest 

 examples growing on living trunks. Must not be con- 

 founded with the section Stupposa of Polystictus, where the 

 members are dry and rigid. 



Substance coloured. 1569, 1570 



Substance and spores white. 1571, 1572 



b. Placodermetz. Pileus clothed with a continuous crust, zoneless 



or concentrically sulcate. Persistent. 



Substance coloured. 1573 



Substance white, not zoned. Spores white. 1574, 1575 



MESOPOD^E. 



a. CarnoscR. 



1517a. P. flavovirens Berk. & Rav. (from the yellowish-green colour 



of the pileus ; flavus, light yellow, vireo, to be green) a. 



P. soft, pulvinate or depressed, irregularly lobed, subtomentose, 



dull yellowish-green, yellowish-olive or olive. St. slightly 



attenuate downwards, pallid, paler than P., or shaded white 



and yellowish. T. slightly to very decurrent, short, irregular, 



