244 BRITISH FUNC.I 



C. orcella. — Cap up to 3 in. across, thin, waved and lobed, white, 

 with a yellowish tinge ; gills crowded ; stem under i in. long, 

 thickened upwards, slightly flocculose, white. 



Differs from C. prnnulus in smaller size, thinner cap and flocculose 

 stem. 



In open j^laces among grass, etc. 



C. mitiiditlits. — Cap 1-2 in. across, somewhat gibbous when 

 young, minutely flocculose, wav\^ pallid white ; gills narrow, thin ; 

 stem about i in. long, floccosel}' downy, then smooth, white. 



Cap white, then grey spotted, finally blackish. 



In woods among fallen leaves, etc. 



C. cretatus. — Cap |-| in. across, convex, then umbilicate, white 

 shining ; gills very decurrent, pale pink ; stem a few lines high, 

 slender, downy, white. 



On naked soil in woods and pastures. 



C. popinalis. — Cap 1-2 in. across, thin, wavy, grey, spotted and 

 marbled ; gills very decurrent, dark grey, then reddish ; stem 1-2 

 in. long, often wavy, paler than the cap. 



Smell like new meal. Entirely grey. 



Among grass, etc. 



C. sarnicus. — Cap campanulate, then expanded, umbonate and 

 usually more or less depressed round the umbo, slightly pellucidly 

 striate when moist, even when dry, minutely silkily floccose, grey or 

 mouse-colour, paler and with a ruddy tinge when dry, up to i| in. 

 across ; gills somewhat crowded, plane nearl}^ up to the stem, 

 then suddenly decurrent, pinkish salmon ; stem equal, minutely 

 fistulose, equal, very slightly wavy, even, smooth, white, i-ij in. 

 long. 



Recognized at once by the very peculiar shape of the gills. Differs 

 from C. undatus in the absence of a grey tinge on the gills. Only 

 known from Guernsey. 



On the ground among grass. 



C. undatus. — Cap i-i J in. across, wavy, sooty grey with a brown 

 tinge, then pale ; gills dark grey with a pink tinge ; stem about 

 I in. long, colour of cap 



Among grass. 



C. cancrinus. — Cap about i in. across, soon plane and deformed, 

 pallid tan or white ; gills white, then flesh-colour ; stem scarcely 

 I in. long, smooth, white. 



Among grass, etc. 



2. Gills adnate, slightly decurrent ; cap regular. 



C. carneoalbus. — Cap up to i in. across, centre depressed, edge 

 drooping, polished, white, disc tinged rufous ; gills crowded, salmon- 

 colour ; stem i-i J in. long, white. 



On heaths, etc. Inodorous. Gregarious. 



