AGARICINI. 49 



ochraceous or brick-colour, then whitish, slightly fleshy, 

 rather plane, obtuse, smooth, hygrophanous ; margin striate ; 

 stem fistulose, naked, rufous-tawny, fibrillose at base; gills 

 rounded-free, crowded, narrow, tense and straight, white or 

 pallid. 



Among moss. Coed Coch. 



251. A. (CoUybia) extuberans, Fr. ; pileus 1-2 in., 

 rufous-fuscous, bay-brown, sometimes pale, not hygropha- 

 nous, slightly fleshy, convex, then flattened, orbicular, at 

 length depressed round the prominent umbo, even, smooth, 

 slightly viscid Avhen moist ; flesh white ; stem tough, fistu- 

 lose, equal, tense and straight, smooth, even, shining, same 

 colour as pileus or paler, rooted at base ; gills somewhat 

 free, reaching the stem, with a small tooth, crowded, narrow, 

 white. 



On the ground and trunks. 



252. A. (Collybia) exsculptus, Fr. (p. 119) ; 1-2 in. 



253. A. (Collybia) macilentus, Fr. ; pileus 1 in., dark 

 yellow, slightly fleshy, convex, then plane, obtuse, orbicular, 

 even, smooth, dry ; flesh thin, yellow ; stem obsoletely 

 fistulose, tough, cartilaginous, filiform, flexuose, smoQth, 

 light yellow, slightly rooted at base ; gills separating-free, 

 very crowded, narrow, linear, unequal, yellow. 



In pine woods. Corstorphine, etc. 



254. A. (Collybia) clavus, L. (p. 119) ; J in. 



255. A. (Collybia) ocellatus, Fr. (p. 120) ; \ in. 

 Epping Forest. 



256. A. (Collybia) muscigenus, Fr. ; pileus \ in., 

 somewhat membranaceous, pellucid, globoso-hemispherical, 

 then flattened, obtuse, even, smooth, withering ; margin 

 ►entire, persistent, not revolute; stem capillary, flexuose. 



