348 BRITISH FUNGI 



C. nivciis (PI. XXV, fig. 3). — Cap i-i in. across, elliptical, then 

 campanulate, covered with snow-white down ; gills blackish ; stem 

 1-3 in. high, white, downy. 



Distinguished by the snow-white cap and stem, and by its small 

 size. C. naycoticus differs in its strong smell. 



On horse dung. 



C. cothurnatus. — Cap about i in. across, campanulate, then ex- 

 panded, very scurfy, becoming umbonate and splitting, reddish 

 white ; gills flesh-colour, then blackish ; stem about 2 in. long, 

 white, squamulose, base with a squamulose sheath. 



On cow dung. 



***** Cap at first covered ivith glistening particles ivhich at length 

 disappear. 



C. micaceus (PI. XXV, fig. 10). — Tufted. Cap ii-2| in. across, 

 thin, elhptical, then campanulate or bell-shaped, coarsely striate, 

 edge wavy or lobed, ochraceous tan, disc even, darker, entirely 

 covered when young with sparkling granules which become washed 

 off ; gills becoming black ; stem silky, whitish. 



Distinguished by the crowded habit and the glistening particles 

 on the cap. 



About stumps, posts, and on rotten wood. 



C. aratus. — Cap 2-3 in. across, campanulate, then expanded, 

 dusky, deeply grooved up to the wrinkled disc, sprinkled with large 

 glistening particles ; gills narrow, brown, then black ; stem 4-5 in. 

 high, silky, white, dark inside. 



Differs from C. micaceus in umber colour and larger size. 



In hollow trunks, on the ground, etc. Sohtary or tufted. 



C. radians. — Cap 1-2 in. across, ovate-campanulate, glistening 

 with minute particles, disc minutely squamulose, yellowish tawny, 

 then paler ; gills becoming violet-black ; stem i-ii in. long, whitish. 



On damp, plastered walls, etc. 



C. papillatus. — Cap |-i in. across, elliptical, then bell-shaped, 

 splitting, then plane or upturned, striate, greyish scurf}', disc rough ; 

 gills black ; stem about i in. long, white and hyaline. 



On dung and on the ground. 



****** Cap smooth from the first ; no trace of down nor glistening 

 particles. 



C. alternatiis. — Cap up to i in. across, up to 2 in. when expanded 

 and umbonate, smooth, striate, chalky or tinged buff, disc darker ; 

 gills becoming lilack ; stem 3-4 in. long, whitish, smooth. 



In small clusters on the ground. 



C. deliquescens. — Cap i-|-3 in. across, ovate-campanulate, 

 expanded and wavy, striate, smooth except the papillose disc, grey 

 or smoky, disc often rufescent ; gills grey, then blackish ; stem 

 3-4 in. high, \\hitish, smooth. 



