386 OUTLINES OF mUTISH FUKGOLOGY. 



IV. Apus. — Stemless ; pileus sessile, normally adnate hy a thickened 

 dilated base, dimidiate, or entire and attached behind, 

 commonly by a,n ximbo, more rarely attenuated and sessile, 

 moi'e frequently toholly resiqnnate ; (jroimnrj on u'ood ; very 

 abundant, irith an endless variety of forms. 



A. Anodermei. — Pileus loithout a cuticle, surface broken up into 

 Jlocci or fibres, zoneless, but transversely zoned within, or more 

 m' less fibrous. 



1. (Jarnosi. — Pileus checf^y, at first watery-soft, Jrayile, fioccidose, 

 not bristly-hispid ; pores white ; v)hen fully grown soft or hard, ; 

 soon putrifying, not lasting through the vnnter. 



* EuPOLYPOREi. — Pores round, entire, obtuse, without small 

 teeth. 



30. P. epileucus, Fr. ; pileus 3—4 in., whitish internally 

 and externally, semi-orbicular, concave beneath, cheesy, 

 soft, then firm, pulvinate, villous-rugged, not zoned ; pores 

 minute, round, entire, white. — Fl. Dan. t. 1791. 



On stumps, chiefly fir and elm. Rare. 



31. P. alutaceus, Fr.; somewhat imbricated; pileus 

 ] in., tan colour, fleshy, at. length tough, reniform-dilated, 

 somewhat velvety, sometimes hairy and rugose, obsoletely 

 zoned within, margin acute, even ; pores very small, thin, 

 somewhat round, whitish-tan. — Bostk. t. 30. 



On decayed pine stiimps. Glamis, 



32. P. pallascens, Fr. (p. 244) ; 2 iu. 



33. P. chioneus, Fr. (p. 211) ; 1 in. Epping Forest. 



34. P. cerebrinus, B. and Br. ; pileus 1 in., white, pul- 

 vinate, delicately tomentose, becoming smooth, margin cre- 

 nate ; pores rounded, entire, dissepiments thick, obtuse. 



On fir. Glamis. Looks like a portion of Avhite brain. 



