ntly 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.

=mustelina=, Fr. P. 5-7 cm. depr. edge upturned, even, opaque, brownish
or dingy yellowish, flesh persistently white; g. crowded, thin,
connected; s. 4-5 cm. even, white; sp. 7-8.

II. Taste acrid.

* _Gills yellow or ochraceous._

+ _Pil