284 AGARICACE^E Rus sulci 



1319. R. sardonia Fr. (from the acrid taste like that of a certain 



plant, Herba Sardoa, Ranunculus sceleratus) a b c. 



P. convex to plane or slightly depressed, viscid in wet weather, 

 reddish-purple or pale lemon with mid. orange-yellow, often 

 partially white ; marg. sometimes striate and somewhat tuber- 

 culose. St. equal, even, white, yellowish or reddish. G. 

 adnate, crowded, white, spotted yellowish from exuded drops 

 in wet weather. Flesh white. 



Woods, chiefly fir, larch, near paths ; uncommon. Sept.-Nov. 4^ x 2.\ x I in. 



1320. R. depallens Fr. (from the pileus becoming pale ; depalleo, to 



be pale) a b. 

 P. convex to plane or depressed, often undulate or irregular, 

 reddish, red-crimson, fuscous, purplish-rose or dark purple- 

 crimson, the hues becoming pale to yellowish or white, the 

 slightly striate marg. sometimes cobalt-purple. St. equal, 

 white to pale greyish. G. adnexed, scarcely crowded, white 

 to pale yellowish. 



Edible. Taste mild to bitter or acrid ; odour none. Woods, beech, pastures, 

 etc. ; uncommon. June-Oct. 4 X i£ X § in. 



1321. R. purpurea Gill, (from the purple pileus) a b. 



P. hemispherical to depressed, rugoso-plicate, deep purple ; mid. 

 darker ; marg. even, then faintly striate. St. striate, white, or 

 white above, rosy in middle, yellowish below. G. rounded, 

 white to yellowish. Flesh yellowish, red beneath the pellicle. 



Taste mild. Under larches, oak, amongst grass. Aug.-Oct. 3^X if X§ in. 



1322. R. eoerulea Fr. (from the partially azure -blue colour ; cceruleiis, 



azure) a b. 



P. convex or umbonate to slightly depressed, shining, deep red- 

 purple or bluish-purple ; marg. even, somewhat cobalt, some- 

 times with a white line round edge ; mid. bluish-purple or buff. 

 St. white, sometimes rose at base. G. adnate, white to 

 yellowish. Flesh white, deep purple under pellicle. 



Taste mild. Woods, pine, etc., grassy places. Aug.-Oct. 3fX2§xi in. 



1323. R. drimeia Cooke (from the pungent taste ; Gr. drimus, 



pungent) a b. 



P. hemispherical to depressed, scarcely viscid, bright deep-purple 



or deep brownish-red-purple ; marg. even. St. equal, tinged 



with purple. G. adnexed, pale sulphur to pale yellow. 



Intensely acrid. Under larches. Sept.-Nov. 3§ X 2§ X f in. Colour 

 and habit of 1345, differing in yellow gills and intense acridity. 



1324. R. virginea Cooke & Mass. (from its wholly white colour) a b. 

 P. convex to depressed, smooth, even, viscid when moist, lustrous 



when dry ; marg. even. St. solid, slightly attenuate upwards, 



finely rugulose. G. decurrent, crowded, furcate, narrow. 



Taste mild. Terrestrial. Under trees, beech. Oct. 2 x 2\ X \ in. 

 Must not be confounded with other Russules bleached white with age. 



