Part 15

** Gills violet, grey or smoky.

=sordidum=, Fr. P. 2.5-7 cm. plano-depr. subumb. glabrous, brownish lilac then dusky; g. rounded, dingy violet then dusky; s. 4-5 cm. coloured like p. fibrillosely striate, slightly curved as a rule; sp. 7-8 x 3-4, minutely rugulose.

Differs from T. nudum in being smaller, tougher, and hygrophanous.

var. Feuilleauboisii, Lucand and Quel. The broadly gibbous p. and s. dark umber; g. deep violet.

=paedidum=, Fr. P. 2-3 cm. soon depr. round conical umbo, smoky grey, somewhat streaked; g. crowded, adnexed, narrow, white then greyish; s. 2-3 cm. dingy grey, slightly striate base thickened; sp. 10-11 x 5-6.

Differs from T. sordidum in having no trace of violet colour; T. lixivium differs in the free truncate gills.

=lixivium=, Fr. P. 5-8 cm. greyish brown, soon plane and umb. margin expanded, membranaceous, striate; g. truncato-free, grey; s. 5-6 cm. grey, whitish floccose, often flexuous; sp. 7 x 4-5.

=putidum=, Fr. Smell strong, rancid. P. 2-3 cm. umb. even, soft, olive grey, hoary when dry; g. adnexed, crowded, grey; s. 2-3 cm. greyish, pruinose; sp. 8-10 x 3-5.

Coll. rancida differs in glabrous, rooting stem.

Resembling a Mycena but s. solid and fibrous.

RUSSULA, Fr.

I. Taste mild.

* Gills ochraceous (not clear yellow).

=alutacea=, Fr. P. 4-10 cm. viscid, exp. depr. red, dark purple, disc becoming pale, at length striate and tuberculose at margin, flesh white; g. broad, rather distant, ochre, naked; s. 4-5 cm. white or tinged red; sp. 7-9.

Differs from R. integra in gills not being powdery.

=integra=, Fr. P. 8-12 cm. viscid, exp. depr. red or greenish, margin at length sulcate and tuberculose, flesh white; g. broad, yellow, powdered with the ochre spores; s. 4-5 cm. even, ventricose, white; sp. 9-10.

var. alba, Cke. Whole fungus except gills creamy white.

=xerampelina=, Fr. P. 7-10 cm. compact, exp. then depr., dry, rosy purple sometimes tinged olive, disc paler, cracked into granules, flesh tinged yellow; g. forked, white then ochre; s. 4-7 cm. clavate, white, more or less tinged red; sp. 8-10 x 6-7.

Differs from R. integra by narrow gills not powdered with the spores.

=nauseosa=, Fr. Smell strong. P. 3-4 cm. viscid, plane then depr., purple or lilac, disc darker, coarsely striate; g. rather distant, ochre; s. 2-3 cm. slightly striate, white; sp. 8-9.

R. nitida differs in the yellow, shining gills.

var. flavida, Cke. P. primrose yellow.

=vitellina=, Fr. Strong scented. P. 2-3 cm. soon plane, yellow, edge tuberculose, striate; g. saffron ochre; s. 2-3 cm. slender, white; sp. 7-8.

Differs from R. lutea in strong smell and tuberculose margin.

var. major, Cke. Similar to type, but larger.

=lilacea=, Q. P. 4-7 cm. exp. depr., viscid, violet becoming pallid; g. white, broad; s. 4-6 cm. fragile, white or base tinted rose; sp. 7-8.

=ochracea=, Fr. Every part inside and outside ochraceous. P. 5-7 cm. viscid, coarsely striate; g. broad; s. 2-3 cm. wrinkled; sp. 10-12.

R. fellea differs in bitter taste.