CLASSIFICATION 117 



R. grisea. — Mild. Cap fleshy, firm, globose, then expanded, and 

 often depressed, polished, olive or greyish, disc purplish, then yel- 

 lowish, becoming pale, edge vaguely striate when old, 3-4 in. across ; 

 flesh violet below the thin cuticle ; gills adnate, crowded, rather 

 thick and somewhat forked, white, then yellow ; stem solid but 

 spongy, elongated, cylindrical, even, polished, white,, 4-5 in. long. 



About the colour and size of R. integra. 



In broad-leaved woods. 



R. punctata. — Cap li-sJ in. across, rosy, disc darkest, with dark 

 point-like warts, then pale ; gills yellowish, edge often reddish ; 

 stem about i in. long, colour of cap. 



Among grass. 



R. olivacea. — Cap 3-4 in. across, dingy purple with an olive tinge 

 or brownish olive ; gills yellow ; stem 2-3 in. long, pale rose colour. 



The cap is minutely squamulose, and this separates the present 

 species from R. rubra. 



In pine woods. 



R. linncBi. — Cap 3-4 in. across, blood-red or dark rose, all one 

 colour ; gills white, yellow when dry; stem up to 3 in. long, blood-red. 



In woods. 



R. chamceleontina. — Cap 1-2 in. across, deep rose-red or purplish 

 lilac, becoming yellowish ; gills narrow, yellow ; stem 1-3 in. long, 

 white. 



In woods, especially pine. 



R. puellaris. — Cap i-i| in. across, thin, purplish livid, then 

 yellowish, disc permanently darker, tuberculosely striate ; gills 

 white, then pale yellow ; stem i-ij in. long, white or yellowish. 



In woods. 



*** Gills white or creamy white (never yellow nor ochraceous, but 

 in some species becoming blackish with age). 



f Cap white or cream colour. 



R. virginea. — Every part persistently pure white. Cap about 2 in. 

 across ; stem about 2 in. long. 



In woods. 



R. semicrema. — Cap about 3 in. across, fleshy, polished, white, 

 edge incurved ; gills white ; stem 1-3 in. long, stout, white, its flesh 

 becoming blackish when broken. 



Differs from R. adusta and R. densifolia in the persistently white 

 cap, its flesh also ; from R. delica in the flesh of the stem becoming 

 blackish. 



Among leaves in woods, etc. 



R. lactea. — Cap about 2 in. across, often excentric, white, then 

 creamy ; gills free ; stem up to 2 in. long, stout. 



Known by the entirely white or cream colour, and very broad, 

 thick gills. 



In woods. 



