CLASSIKICATIUN 121 



i|-2| in. across ; gills broad, distant, white ; stem i in. or more 

 long, minutely striate, smooth, white. 



The flesh turns reddish brown when cut, and the smell resembles 

 that of crab. Probably only a variety of R. vesca. 



On the ground in woods. 



R. depallens. — Cap 3-4 in. across, reddish or brownish at first, 

 then whitish or yellowish, especially the disc ; gills broad, whitish ; 

 stem about i| in. long, pure white, becoming grey. 



Cap sometimes deep red. Known by the stem being grey when 

 fully grown. 



In woods. 



R. cyanoxantha (PI. IX, fig. i). — Cap 2-4 in. across, soon de- 

 pressed, lilac or purplish, sometimes olive-green, disc usually pale 

 and yellowish, edge generally bluish or purplish ; gills broad, 

 shining white ; stem 2-3 in. long, white. 



In woods, etc. 



R. elephantina. — Cap 3-4 in. across, convex and umbilicate, 

 brownish tan ; gills whitish, soon spotted yellow ; stem 2-3 in. 

 long, stout, white. 



In woods. 



R. mustelina. — Cap 2-3 in. across, brownish or dingy yellowish ; 

 gills white ; stem about 2 in. long, white. 



The only species in the present section with a yellow or Iirownish 

 cap. Does not turn black. 



In woods. 



2. Taste acrid or hot. 



* Gills yellow or ochraceous. 



f Cap yellow or ochraceous. 



R. fellea. — Cap 1-3 in. across, every part straw-colour. 



Readily known by the straw-colour of every part, and intensely 

 acrid taste. 



In woods, especially beech. 



R. claroflava. — Cap 2-3 in. across, deep chrome-yellow, edge 

 paler ; gills yellow, then tinged ochre ; stem ii-2| in. long, white, 

 then grey. 



Among grass. 



f f Cap red or purple. 



R. rubra (PI. IX, fig. 3). — Cap 3-4 in. across, soon depressed, 

 polished, deep blood-red, disc becoming tan-colour, edge often 

 wavy ; gills white, then yellowish ; stem 2-3 in. long, white, some- 

 times variegated with red. Hard and rigid. 



In woods. 



R. drimeia. — Cap 2-4 in. across, bright purple to dark rose ; gills 

 clear yellow ; stem 2-4 in. long, purplish. Very acrid and peppery. 



In woods. 



