AGARICINI. 249 



then faintly striate; flesh yellowish, red beneath the 

 cuticle, stem slightly incrassated at base, longitudinally 

 striate, white at apex, rosy at middle, yellowish at base ; 

 gills rounded, broad, often bified, white, then yellowish. 

 Under larch. 



17. R. coerulea, P. ; pileus fleshy, convex, flattened or 

 depressed, polished, margin even ; stem spongy, solid, firm, 

 white ; gills adnata, nearly equal, turning yellowish, acute at 

 apex. 



In woods. 



18. R. drimeia, Cke. ; pileus 2-4 in., bright purple, 

 compact, firm, convex, then depressed, scarcely viscid when 

 moist and opaque when dry, margin somewhat incurved, even ; 

 stem solid, firm, cyliodrical, equal, tinged with purple; gills 

 adnexed, scarcely crowded, narrow and furcate at base, at 

 first pale sulphur-yellow, then deeper yellow, never white. 



On the ground among larch. Black Park. Taste acrid. 



3. RiGiDJE. — Pileus withoitt a viscid 2^c^licle, dry, rigid, cuticle 

 breaking up intoflocci or granules ; flesh thick, compact, firm, 

 vanishing short of straight, never involute margin, soon 

 spreading, ahoays icithout strice ; stem solid, hard, then softer 

 and spongy ; gills dimidiate, divided, rigid, dilated in front 

 and running ovt xoith a broad rounded apex ; margin of pileus 

 obtuse, not inflexed ; handsome, — somewhat rare. 



19. R. laetea, Fr. ; pileus 2 in., white, then tan-white, 

 compactly fleshy, campanulate, then convex, often excentric, 

 without a pellicle, dry, at first even, then slightly cracked, 

 margin straight, thin, obtuse, even ; flesh compact, white ; 

 stem solid, compact, at length spongy-soft within, equal, 

 even, white ; gills free, broad, thick, distant, rigid, forked, 

 white. 



