172 BRITISH FUNGI 



H. clarkii.— Cap fragile, flesh thin, convex, then more or less 

 plane, somewhat umbonate, smooth, even, viscid, livid-grey, 1^2 in. 

 across ; gills broadly adnate with a decurrent tooth, broad, thick, 

 distant, white ; stem equal, smooth, grey, base white, often bent, 

 hollow, 2-3 in. long. 



Known b}- the livid-grey stem and cap, and the \-ery broad distant, 

 adnate gills. 



In woods, etc. 



H. metapodius. — Cap convex, then plane, obtuse, at first even 

 and somewhat shining, tlien silky and squamulose, irregular, 

 greyish brown, i|-3 in. across ; gills distant, thick, veined at the 

 sides, greyish white ; stem somewhat narrowed downwards, smooth, 

 grey, reddish inside, 1-2 in. long. 



Differs from H. ovinus in the thick flesh, fragility, and deformed 

 cap, from often growing in clusters. Flesh reddish, then blackish 

 when broken. 



In mossy pastures. 



H. ovinus. — Cap thin, campanulate, then expanded, rather um- 

 bonate, at first viscid and even, then dry and squamulose, brown 

 or blackish, often wavy, 1J-2J in. across ; gills adnate, with a de- 

 current tooth, distant, tliick, grey, then tinged rufous ; stem almost 

 equal, curved or twisted, smooth, pallid or blackish brown, about 

 2 in. long. 



Differing from H. metapodius, the only one with which it can be 

 confounded, by the rigid, fragile, very thin cap, and stem not 

 narrowed downwards. 



In mossy pastures, also in woods. 



H. suhradiatus. — Cap somewhat umbonate, radially striate, 

 brownish, especially the disc, i|-2 in. across ; gills broadly adnate 

 with a decurrent tooth, thin, distant, white ; stem equal, smooth, 

 palhd, base white, hollow, i|-2^ in. long. 



Stem often twisted. Cap variable in colour, whitish, livid, or 

 with a reddish tinge. The striate cap is a distinctive feature. 



On the ground among heather, etc. 



\ar. lacmus. — Cap about i in. across, striate when moist, even and 

 sliining when dry, lilac, then pallid. 



Among moss, etc. 



H. irngatus.—Ca.p very thin, campanulate, then expanded, often 

 becoming depressed round the umbo, edge upturned, and more or 

 less striateVhen old, livid with a tinge of brown at the disc, i-2| in. 

 across ; gills adnate, broad, thickish, rather distant, whitish ; stem 

 rather tough, grey, very viscid, often compressed, 2-3 in. long. 



H. unguinosus differs in the viscid cap, and H. clarkii differs in the 

 stem not being viscid. 

 Among grass, moss, etc. 



