BUSSULA. 41 



lately convex then expanded and depressed, fragile when 

 adult, with 'a viscid peUicle, losing its colour, margin at. 

 length sulcate and somewhat tabercnlose; flesh white, 

 sometimes yellowish upwards. Gills almost free, very 

 broad, eqnal or bifid near the base, rather distant, con- 

 nected by veins, pallid w^hite then yellow ; pulverulent with 

 the somewhat ochraceous spores, a character by which the 

 present species is readily known. Gills sometimes quit& 

 sterile, and hence remaining persistently white. (Fries.) 



Var. alba, Cke., Hdbk., p. 335 ; Cke., lUustr., pi. 1094. 



"Whole fungus except the gills of a creamy white. 



In woods. 



Russula nauseosa. Fr. 



Smell strong, unpleasant. Taste mild. Pileus about IJ 

 in. across, flesh thin, expanded and slightly gibbous, then 

 depressed or infundibuliform, viscid, colour variable, usually 

 , dingy purple or lUac, disc darker, sometimes tinged dingy 

 yellow; margin very thin, coarsely striate; gills slightly 

 adnexed, ventricose, rather distant, yellow then dingy ochra- 

 ceous; stem 1-li in. long, 3-5 Unes thick, slightly wrinkled 

 longitudinally, white, stuffed ; spores 8-9 /x diameter. 



Sussula nauseosa. Fries, Epicr., p. 363 ; Cke., Hdbk., p. 338 ;- 

 Cke., lUustr., pi. 1147 ; 10G3b. 



In woods. 



Agrees with B. nifida in the strong smeU, but distin- 

 guished by the rather distant, dingy ochraceous gills and 

 spores. 



In woods, especially pine. Taste mild but the smell 

 nauseous. Stem spongy, stuffed, short, about 1 in. long,. 

 4 lines thick, slightly striate, white. Pileus thin, at first 

 plane-gibbous, then depressed, viscid in moist weather, 

 margin sulcate and tuberculose. Colour variable, disc typi- 

 cally purplish, then livid, but becoming pale and often 

 whitish. Flesh soft, white. Gills adnexed, ventricose,. 

 rather distant, with shorter intermediate ones, yellow, then 

 dingy ochraceous. (Fries.) 



Var. flavida, Cke., lUustr., pi. 1102iL. 

 Pileus pale clear primrose-yellow, stem hollow; strong- 

 scented. 



On the ground. 



