282 OUTLINES OF BKITISII FUNGOLOCxV. 



D. SuBCORiACEi. — Pilevs at first indurated, arid, then corky or 

 coriaceous ; stem definite ; jiwes at first sprinkled with a white 

 bloom; substance ferruginous ; groicing on the ground or on 

 trunks ; more rigid than the Spongiosi ; more regular and 

 2Jersistent ; not reviving. 



* Pileus tomentose, velveti/. 



8. P. perennis, Fr. ; 1^-3 iu. Eppin^ Forest. 



** PiUus very smooth. 

 No British species recorded. 



II. Pleuropus. — Pileus 2>li(^iii or corky, horizontal, not circular ; 

 istem simple, ascending, corticate, either definitely lateral or 

 excentric, always black at base ; growing on ivood. 



A. Lenti. — Pileus fieshy-pliant ; stem excentric, blackish at base : 

 tubes short; sid)stance 2')cdlid, somewhat fibro}'s. 



* Pileus scaly orfioccose. 



9. P. squamosus, Fr. (p. 238) ; 3-16 in. Epping Forest. 



10. P. Michelii. Fr. ; pileus 2-3 in., yellowish-white, 

 fleshy-pliant, depressed, repand, slightly silky, some- 

 what squamulose ; stem somewhat lateral, bulbous, rough, 

 white, becoming fuscous at base ; pores large, somewhat 

 round-oblong, entire, white.— Rostk. t. 1 ; Mich. t. 61,/. 2. 



On stumps. Penzance. 



11. P. melanopus, Fr. ; pileus 2-3 in., white, then 

 yellowish-fuscous, fleshy-pliant, plane, then infundibuliform, 

 at flrst delicately flocculose, then smooth ; flesh thick, 

 white, soft, not becoming woody ; stem excentric, some- 

 what velvety, incurved, thickened downwards, black ; pores 

 decurreut, curt, minute, obtuse, unequal, white. Rostk. 

 t. 4. 



On dead wood and roots. Uncommon. 



