CLASSIFICATION 123 



Smell unpleasant. Differs from R. consobrina in sulcate edge of cap. 



In woods. 



A', sardonia. — Cap 2-3 in. across, viscid in damp weather, colour 

 variable, pallid, with yellowish spots, dingy yellow or reddish, edge 

 even ; gills adnate, spotted with yellow when dry ; stem i|-2 in. 

 long, white or reddish. 



In woods among grass, etc. 



f f Cap red or purplish. 



R. emetica. — Cap 3-4 in. across, flesh reddish just under the 

 cuticle, polished, deep rose or blood-red, bleaching almost to white, 

 edge grooved and tuberculose ; gills clear white ; stem 2-3 in. 

 high, white or tinged red. 



Very acrid. Easily known by the pure white gills and deep rose 

 or crimson-lake coloured cap, which bleaches to white. Often eaten 

 by slugs. Poisonous. 



var. clusii. — Differs from the type in the gills becoming pale 

 yellow. 



R. rosacea. — Cap 2-4 in. across, rosy flesh-colour, often with 

 darker spots, bleaching here and there ; gills adnate, white ; stem 

 i-i| in. long, white, tinged rose. 



Distinguished from allies by the thick flesh of the cap and white 

 adnate gills. 



In woods. 



R. sanguinea. — Cap 2-4 in. across, depressed, polished, blood- 

 red, edge becoming pale ; gills truly decurrent, white, very narrow ; 

 stem 1-2 in. long, white, then reddish. 



Known from all other species by the decurrent, narrow gills. 



Among grass in woods. 



R. jragilis (PI. X, fig. 7). — Cap i-i| in. across, colour variable, 

 usually flesh-colour, bleaching almost white, with reddish spots 

 remaining, edge striate and tuberculate ; gills pure white ; stem 

 l-ii in. long, shining white. 



Difficult to distinguish from slender forms of R. emetica, but is 

 altogether more slender and fragile ; gills more crowded and 

 thinner, and flesh of cap not red under the cuticle. 



In woods, etc. 



var. nivea. — Every part pure white. 



var. violacea. — Cap bright violet, with a whitish edge, sometimes 

 spotted with yellow, green, or olive. 



var. jallax. — Cap dingy pale reddish or with a purple tinge, 

 disc very dark-coloured. 



R. queletii (PL X, fig. 3). — Cap 2-3 in. across, dark violet or 

 dusky, edge striate, purplish lilac ; gills white ; stem i|-2 in. long, 

 purplish violet, often paler than the cap. 



Distinguished by the purple cap and stem. 



