[=luteo-viridans=, C. Mart. P. convex then depr. then edge erect and sulcate, pellicle viscid, separable, yellow with green or brown stains; g. broad; s. reticulated, base narrowed. Acrid. var. _bicolor_, C. Mart. Disc of p. yellow, edge brown; g. dark ochre. var. _purpurea_, C. Mart. P. purple, disc yellow. =furcata=, Fr. P. 6-10 cm. rigid, depr. sometimes subinfund. even, dark lurid green, even, frosted with a white silkiness; g. adnato-decur. thickish, forked; s. 4-7 cm. firm, even, white; sp. 7-8. var. _pictipes_, Cke. S. rosy at apex, greenish below. var. _ochroviridis_, Cke. Disc of p. olive or sooty, ochraceous towards edge. =aeruginea=, Lindbl. P. 6-9 cm. exp. darker disc depr., verdigris green, edge striate; g. narrow behind, slightly adnexed, pure white; s. 4-5 cm. firm, even, persistently white; sp. 8-10. ++++ _Pileus red, brownish, purple, sometimes with green intermingled._ =lepida=, Fr. P. 6-9 cm. compact, depr. not polished, blood red, becoming pale, minutely cracked into squamules; g. much forked; s. 3-5 cm. even, white with rosy tinge; sp. 6-8. =atropurpurea=, Kromb. P. 6-8 cm. hard, convex then exp. depr. smooth, even, deep blood red or purple red; g. adnate, white; s. 5-6 cm. white or tinged red. Differs from _R. rubra_ in being quite mild. [=cerasina=, C. Mart. P. viscid, depr. subcyathiform, edge sulcate, pellicle separable, cherry-red, disc yellow, flesh purple under cuticle; g. adnato-decur. ochre; s. rugulose, white. Acrid. =cutefracta=, Cke. P. 6-12 cm. exp. depr. even, purple, dull red, etc., cracking into areolae from edge towards disc; g. adnexed, crowded; s. 6-8 cm. solid, white with tinge of purple; sp. 7-10. =vesca=, Fr. P. 5-8 cm. exp. depr. flesh colour, disc darker, viscid, rugulose; g. adnate, crowded; s. 3-5 cm. solid, white, reticulately wrinkled; sp. 9-10. var. _Duportii_, Phil. P. disc rufous, edge bluish, flesh reddish when cut. Smells of crab. var. _lilacea_, Q. P. violet or purple, flesh violet under the cuticle. var. _Barlae_, Q. P. peach colour. =depallens=, Fr. P. 6-9 cm. firm, undulate, viscid, reddish, crimson, or brownish, disc paler at length; g. crowded, forked; s. 3-4 cm. base narrowed, white then grey; sp. 7-8. Differs from _R. decolorans_ in having white gills. [=pallida=, Karst. Acrid. P. convex then exp. mostly undulate, rather viscid, constantly pallid, here and there tinged rose, edge even; g. white, edge sometimes sulphur; s. white, often curved; sp. 5-8. Differs from _Russula pallescens_ in being more robust and even margin of p. =cyanoxantha=, Schaeff. P. 5-9 cm. globose then depr. or infundib. viscid, lilac, purplish, olive green, &c., edge generally bluish; g. broad, forked; s. 4-6 cm. even, white; sp. 8-9. =elephantina=, Fr. P. 6-10 cm. convex, umbil. margin incurved, brownish tan, wavy; g. obtusely adnate, arcuate, rather crowded, thin; s. firm, white; sp. ----. Differs from _R. nigricans_ and _R. adusta_ in not turning black or red when old.