76 OUTLINES OF BKITISH FUNGOLOGV. 



Far. colnmbinus, Bres. ; pileus fleshy, irregular, sub- 

 rotund, margin involute, plano-convex, gibbous, then 

 umbilicate; margin pigeon-colour-blue, centre rather tlesh- 

 colour, becoming yellowish, smooth, umbo or umbilicus 

 whitish, pilose ; stem excentric, lateral, strigose, variable 

 in length ; Hesh white ; gills crowded, broad, attenuato- 

 decurrent, anastomosing behind, glaucous, edge entire, or 

 delicately fimbriate under a lens. 



On stumps. Kew. 



405. A. (Pleurotus) euosmus, B. (p. 135) ; 3 in. Epping 

 Forest. 



406. A. (Pleurotus) revolutus, Kickx, ; pileus at first 

 smoky, then lead- or mouse-colour, darker in the centre, 

 fleshy, firm, elastic, convexo-plane, smooth, slightly shining, 

 depressed behind, margin incurved ; stem curt, thick, 

 smooth or pubescent ; gills decurrent, serrulated, white. 



407. A. (Pleurotus) salignus, All), and Sch. (p. 136) ; 

 2-3 in. 



408. A. (Pleurotus) acerinus, Fr. ; shining white ; pi- 

 leus 1-4 in., fleshy, tough, thin, unequal, silky-villous, not 

 hygrophanous ; stem somewhat lateral, thin or obsolete, 

 villous ; gills decurrent, very crowded, thin, white, then 

 becoming yellow. 



On plane and ash. Epping Forest. 



II. Dlmidiati. — Pileus lateral, immarginate behind, vol at 

 first resujiinate. 



409. A. (Pleurotus) petaloides, Bull. (p. 136) ; 1-2 in. 

 Epping Forest. 



410. A. (Pleurotus) pulmonarius, Fr. ; pileus 2-3 in., 

 cinereous, then cinereous-tan, continuous with stem, fieshy, 



