Chapter II: ADONIDEAE. Stem juiceless, gills all one colour, colour clear,

bright, not brownish or greyish._

=pura=, Pers. Smell like radishes. P. 3-6 cm. umb. margin striate, lilac, reddish, &c., then pale; g. sinuato-adnexed, very broad, connected by veins, pale; s. 5-8 cm. even, pale or tinged like pileus; sp. 6-8 x 3-3.5.

_M. pelianthina_ differs in dark edged gills.

_M. pseudopura_ and _M. zephira_ have no smell.

_M. ianthina_ differs in persistently conical pileus.

[=fimicola=, Karst. P. convex then plane, umb. or papillate, umb. striate, glabrous, reddish ochre then tan; g. whitish then tan; s. equal, wavy, tough, glabrous, rusty then bay; sp. 6-9 x 3-4.

var. _multicolor_, Bres. P. clear greyish blue, umbo tawny, edge striate; g. grey; s. rosy-purple, base yellowish, tomentose; sp. 7-9 x 4-5.

=pseudopura=, Cke. P. 2 cm. exp. obtusely umb. vaguely striate, rosy then pale; g. adnate, whitish; s. 4-6 cm. rigid, pallid rosy, brownish when dry, naked; sp. 12 x 5.

_M. pura_ differs in larger size of entire fungus, and smaller spores.

_M. zephira_ differs in squamulose stem.

=zephira=, Fr. P. 2-3 cm. diaphanous, obtuse, striate to middle, reddish or pinkish; g. adnate white; s. 4-6 cm. tinged pinkish rufescent, squamulose, base cottony; sp. ----.

Differs from _M. pura_ in absence of smell.

[=caesiolivida=, Bres. P. campan. exp. or revolute, subirreg. glabrous, hygr. livid blue or grey then rosy livid; g. white then rosy, at length livid flesh colour; s. short, greyish or bluish livid, base strigosely rooting; 8-10 x 5.5-6.

[=Renati=, Q. P. rosy lilac, disc brownish; g. white then tinged rosy; s. pellucid, amber yellow.

[=Seynii=, Q. P. vinous, shining; g. rosy lilac; s. fistulose, hyaline, purplish, base hairy, white.

[=punicella=, Fr. P. conical, obtuse, subviscid, scarlet, edge striate, yellow; g. free, pallid; s. diaphanous, rooting, base dusky green, apex yellowish.

=flavipes=, Q. Tufted, smells like radishes. P. 1-2 cm. camp. obtuse, rosy pink or lilac; g. adnexed, whitish; s. 4-5 cm. polished, yellow, rooting; sp. 10 x 4-5.

[=rubella=, Q. P. campan. striate, orange red; g. white then tinged rosy; s. hyaline, apex rosy.

=adonis=, Bull. P. 3-5 cm. conical then campan. rosy; g. uncinately adnexed, narrow, white tinged pink; s. equal, white; sp. ----.

[=chlorantha=, Fr. P. camp. obtuse, green; g. sinuato-adnexed, white; s. short, glabrous, greenish.

=lineata=, Bull. P. 1-2 cm. obt. glabrous, everywhere finely striate, tinged yellow or whitish; g. adnate, white; s. 4-5 cm. even, base downy; sp. ----.

=farrea=, Lasch. P. 2-2.5 cm. very thin, expanded, furfuraceous with shining particles, pale, sulcate; g. adnate, snow-white; s. 6-7 cm. silky, striate; sp. ----.

Among moss and grass. The only known _Mycena_ with a furfuraceous pileus.

=luteoalba=, Bolton. P. 1-2 cm. campan. then exp. and umb. pale yellow; g. adnate, broad, white; s. 3-5 cm. shining, glabrous, yellowish; sp. ----.

=flavoalba=, Fr. P. 1-5 cm. exp. umb. often cracked at margin, yellowish or white; g. soon free, distant; s. 2-3 cm. white, pellucid, apex pruinose; sp. 6-8 x 3-4.

_M. lactea_ differs in adnate gills and downy base of stem.

_M. luteoalba_ has a yellowish stem.

=lactea=, Pers. White. P. 1-1.5 cm. subumb. striate, even when dry; g. adnate, narrow, crowded; s. 3-5 cm. toughish, not quite straight, glabrous; sp. 7-8 x 3-4.

Differs from _M. gypsea_ and _M. tenuis_ in scattered habit.

var. _pithya_, Fr. Smaller, p. becoming almost plane; s. thin, base bubillose, downy.

forma _pulchella_, Fr. Milk-white; g. linear, ascending; s. attenuated. Solitary.

[=olida=, Bres. Smell very strong, rancid. P. thin, conico-campan. obtuse, then exp. and umb. yellow soon pale straw; g. uncinato-decur. connected by veins, white; s. hyaline, strigosely rooting; sp. 8-9 x 6.

=gypsea=, Fr. Caespitose. Pure white, rarely with a yellow tinge. P. 1-2 cm. conical then campan. striate up to umbo, glabrous; g. subuncinate; s. 5-7 cm. straight, narrowed upwards from hairy base; sp. 8-9 x 4.

[=nivea=, Q. Shining white. P. sulcate, diaphanous; g. uncinate; s. pruinose, base rather swollen, fibrillose.

[=galeropsis=, Fr. P. conico-camp. even, gilvous; g. free, whitish; s. straight, narrowed upwards, fragile, not rooting, ferruginous below.

[=nucida=, Brig. P. campan. obtuse, even, downy under a lens, deep rust-colour, hygr.; g. free, white then rosy; s. silky shining, base snow-white, apex mealy.

[=Benzonii=, Fr. P. very thin, campan. exp. umbil. finely striate, pallid or reddish; g. white; s. equal, glabrous, white.

An introduced species.

[=melanops=, West. P. convexo-camp. plicate, umbo blackish-brown; g. adnexed to a collar; s. slender, glabrous base fibrillose.

[=pruinatus=, Fr. Shining white. P. thin, conico-campan. papillate, edge deflexed, sulcate, pruinose; g. crowded; s. bulbous, naked.