eus yellow or ochraceous._

=fellea=, Fr. Every part, outside and inside, pale ochraceous or straw
colour, very acrid. P. 3-7 cm. exp. not becoming pale; g. adnate; s.
even, 4-6 cm.

Differs from _R. ochracea_ in being very acrid.

=aurata=, Fr. P. 6-10 cm. rigid, exp. polished, citrin or orange,
sometimes reddish, edge becoming striate, flesh under cuticle citrin; g.
broad, shining citrin; s. 5-8 cm. white tinged yellow; sp. ----.

[=rhytipes=, Fr. Foetid. P. depr. dry, yellowish, blotched purple or
olive, corrugated, flesh sulphur yellow; g. broad, yellow, edge darker;
s. conical, reticulately rugose, greyish purple.

No account of mild or acrid taste is given, hence its position is
uncertain. Has points in common with _R. aurata_.

=claroflava=, Grove. P. 5-7 cm. bullate then plane, chrome yellow; g.
white, lemon yellow, then tinged ochre; s. 3-6 cm. white then grey or
blackish; sp. 8-9.

Differs from _R. ochroleuca_ in bright yellow p.

++ _Pileus red or purple._

=rubra=, Fr. P. 3-9 cm. rigid, convex exp. depr. dusky blood red or with
a tinge of purple, polished and even when dry; g. adnate whitish; s. 4-7
cm. hard, white sometimes tinged red; sp. 8-10.

Differs from _R. atropurpurea_ in very acrid taste.

=drimeia=, Cke. (= _R. expallens_, Gil.). P. 5-9 cm. firm, exp. depr.
bright purple to rose colour; g. clear yellow; s. 4-8 cm. purple, paler
than p.; sp. 7-9. Intensely acrid.

=veternosa=, Fr. P. 4-5 cm. plano-depr. rosy or flesh colour then pale,
slightly viscid; g. adnate, narrow, white then straw colour; s. 5-8 cm.
spongy then hollow, white; sp. 7-9.

=maculata=, Q. P. 5-8 cm. thin, firm, exp. viscid, reddish flesh-colour,
then pale and blotched brownish; g. sulphur then peach colour; s. 3-4
cm. white or tinged rose, then spotted ochre; sp. 9-10.

Differs from _R. depallens_ in being smaller, acrid, and stem not grey.

=serotina=, Q. P. 2-2.5 cm. globose then more or less exp. purple brown
or olive, edge lilac, with white bloom at first; g. almost free, white
then tinged yellow; s. 2-3 cm. white; sp. 8-9.

** _Gills white._

+ _Pileus ochraceous or umber._

=ochroleuca=, Fr. P. 7-9 cm. exp. depr. viscid at first, ochraceous then
pale, disc cracked into granules, margin almost even; g. rounded behind,
broad, subequal, whitish; s. 4-7 cm. soft, white then grey, reticulately
rugulose; sp. 8-9.

Differs from _R. granulosa_ in stem becoming grey.

=granulosa=, Cke. P. 4-7 c