28o BRITISH FUNGI 



narrowed downwards into a rooting base, dark brown below, 

 smooth. 



Differs from A^. arvalis in the smooth, not powdered stem, and 

 from N. glandiformis in the rooting stem. 



Among grass. 



** Gills adnate. 



N. ohtiisa. — Cap about i in. across, convex, rufous or orange- 

 tawny, becoming pale ; gills cinnamon, edge serrate ; stem 

 about 2 in. long, yellowish flesh-colour or pale cinnamon, darker 

 inside. 



Known by the broad, broadly adnate, serrate gills. 



On the ground. 



N. centunada. — Cap |-i in. across, often excentric, lurid greenish, 

 then yellowish green, then pale ; gills broadly adnate, but soon 

 separating from the stem, greyish yellow, edge with greenish yellow 

 down ; stem about i in. long, usually curved, yellowish grey. 



On rotten wood. 



N. ahstrusa. — Cap |-i in. across, orbicular, viscid, rusty tan ; 

 gills crowded, pale rusty ; stem i-ij in. long, polished, rusty. 

 N. melinoides differs in the striate cap. 

 On leaf soil, sawdust, etc. 



A'', innocua. — Cap about i in. across, striate, reddish brown, 

 then pale ; gills narrow, ochraceous ; stem about i in. long, paler 

 than the cap, whitish fibrillose, base woolly. 



On damp ground. 



N. cerodes. — Cap |-i| in. across, soon expanded, hygrophanous, 

 w^atery cinnamon, silky and wax-colour when dry ; gills adnate, 

 separating from the stem, broad, cinnamon ; stem I2-2I in. long, 

 yellowish, base rusty. 



Resembling Galera hypnorum, which differs in the umljonate cap, 

 broader gills and longer stem. 



Among grass, on burnt soil, etc. 



N. melinoides. — Cap l-i in. across, soon almost plane, tawny, 

 then ochraceous, striate at edge when old ; gills triangular-oblong, 

 crowded, honey-colour ; stem about li in. long, colour of cap, apex 

 mealy. 



Among grass on lawns, etc. 



N. pusiola. — Cap about | in. across, yellow ; gills broad, crowded, 

 becoming cinnamon ; stem about i in. long, smooth, shining, 

 yellow. 



Always small, known by the yellow cap and stem being slightly 

 viscid. 



Among grass, moss, etc. 



A^. nucea. — Cap .|-| in. across, almost globose, umbilicate, edge 



