60 UL'TLLNES OF HHITISII FUNGOLOGY. 



310. A. (Mycena) alkalinus, Fr. (p. 125) ; 1-2 in. 

 Epping Forest. 



311. A. (Mycena) ammoniacus, Fr. ; pileus fuscous- 

 blackish at the tlisCj paler at the striate margin, varying 

 cinereous, somewhat membranaceous, at first acutely conical, 

 papillate, then campanulate, naked, discoid, opaque ; stem 

 rooting, firm, polished, dry, equal, whitish, strigose at base ; 

 gills adnate, linear, distant, whitish or grey, whitish towards 

 apex. 



On the ground, among grass. Frequent. Epping Forest. 

 Strong odour of ammonia. 



312. A. (Mycena) metatus, Fr. ; gregarious; pileus ^in., 

 hygrophanous, cinereous, flesh-coloured, livid, then whitish, 

 somewhat membranaceous, bemispherico-campanulate, ob- 

 tuse, soft, slightly striate, then plane, somewhat silky under 

 a lens ; stem soft-flaccid, even, smooth, whitish-cinereous, 

 fibrillose at base ; gills adnate, linear, distant, whitish. 



In mixed wood, among grass. Glamis. Epping Forest. 

 Odour weakly alkaline. 



313. A. (Mycena) plicosus, Fr. ; pileus 1 iu., fuscous- 

 cinereous, opaque when dry, membranaceous, fragile, cam- 

 panulate, then expanded, with a slightly fleshy, broad obtuse 

 umbo, deeply lineato-sulcate, almost plicose, often split ; 

 stem slightly firm, fragile, tense and straight, equal, smooth, 

 grey, becoming fuscous, blunt, white-villous at base ; gills 

 adnate, thick, distant, connected by veins, at length whitish 

 pruinosc. 



On the ground, in wood. Rare. Killin. 



314. A. (Mycena) peltatus, Fr. ; growing in crowded 

 troops ; pileus f in., black-fuscous, then grey, convex, then 

 plane, blackish striate, margin upturned, disc slightly fleshy, 

 orbicular, even, plane, slightly unibilicate ; stem equal. 



