210 POLYPOREI. 



Poiyporus. On old stumps of Ulex. Sibbertoft. 



Namegossypium, cotton. Leveill. Ann. Sc. Nat. 1843, p. \2.^.Fr.Hym. 

 Eur. p. 566. B. & Br. n. 2024. 



79. P. fibula Fr. Whitish. Pileus coriaceous, soft, tough, 

 'velvety -hairy, zoneless, often radiato- rugose, internally snow- 

 white, margin entire, acute. Pores small, rounded, acute, at 

 length torn, yellowish. 



Small, adnate behind, everywhere free at the circumference, sometimes 

 forming orbicular shields, sometimes variable in form from growing into 

 each other. 



On the door of a wine-cellar. Rare. 



Namefibula, a button. From its shape. Fr. Hym. Eur. p. 567. Berk. 

 Out. p. 248. C. Hbk. n. 791. Sow. t. 387. f. 8. 



8. Coriacei. Pileus coriaceous, villous, c. 



80. P. Mrsutus Fr. Pileus unicolorous, but zoned with con- 

 centric furrows, whitish, corky-coriaceous, convexo-plane, shaggy 

 with rigid hairs. Pores round, obtuse, whitish, becoming some- 

 what fuscous. 



B. Pores wholly white. C. Pores yellow at the orifice, but white within. 

 D. Pores obtuse, angular. E. Margin of the pileus ferruginous (Fl. Dan. t. 

 2079. f. i). F. pileus blackish. 



On dead trunks. Near Twycross. 



Name hirsutus, hairy. Fr. Hym. Eur. p. 567. B. & Br. n. 1139. 

 C. Hbk. n. w*. Wulf.\Jacq. Coll. ii. p. 149. 



81. P. velutinus Fr. Pileus about 5 cent. (2 in.) broad, white 

 at length yellowish, corky - coriaceous, plane on both sides, 

 velvety -soft, slightly zoned, the extenuated margin acute. Pores 

 round, minute, thin, white. 



Damp when young, then hardened, not shining like P. versicolor, the zones 

 only a little darker. 



On stumps, branches, &c. Uncommon. Nov. 



Sometimes entirely white, and not unfrequently the zones are mere de- 

 pressions. M.J.B. Name velluetum (low Latin). Velvety. Fr. Hym. Eur. 

 p. 568. Syst. Myc. \. p. 368. Berk. Out. p. 248. C. Hbk. n. 793. S. 

 My col. Scot. n. 745. 



82. P. versicolor Fr. Pileus variegated with differently col- 

 oured zones, coriaceous, thin, rigid, becoming plane, depressed 

 behind, becoming even, velvety, shining. Pores minute, round, 

 acute and torn, white, becoming pale (somewhat yellowish). 



Varying endlessly both in form and colour. 



