POIyYPORUS. 131 



P. brumalis. Fr. 



Pileus, slightly fleshy and tough, leathery, subiimbilicate, 

 zoneless, in the first season ding}^ villous, in the second squam- 

 ulose, becoming smooth, pallid. 



Pores, oval, angular, slender, acute, denticulate, white. 



Stem, thin, slightly bulbous at the base, hirsuto-squamu- 



lose, pale. 



. This species you will find throughout the Valley growing on half- 

 rotten sticks. 



P. arcularius. Batsch. 



Pileus, thin, plane, brownish, funnel-shape, margin covered 

 with stiff hair. 



Pores, shallow, rotund, brown. 



Stem, thin, scaly, attached to rotten logs. 



Common in woods on decayed logs. 



P. rufescens. Fr. 

 Pileus, spongy, flesh soft, unequal, wooly. 

 Pores, large, sinuose and lacerated, white or flesh colored. 

 Stem, short, irregular, tuberous at the base. 

 On the ground around stumps. Common near Trexlertown. 



P. perennis. Fr. 



Pileus, coriaceous, thin, plane, then infundibuliform, 

 velvety, becoming smooth, zoned. 

 ■ Pores, minute, angular, acute, at first veiled, then naked 

 and torn. 



Stem, firm, bulbous below, brown. 



Spores, oval, white, .0001 to .100018 inch. 



A nice species of Polyporus. Not common. Found specimens ir 

 Spring Creek woods and Glen Onoko. 



