Part 21

=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.

=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.

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

=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.

=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.

An introduced species.

III. RIGIDIPEDES. Stem firm, rigid, rather tough, juiceless, base strigosely rooting, gills discoloured, grey, reddish, &c., often connected by veins.

=cohaerens=, Fr. P. 2-3 cm. camp. obtuse, tawny cinnamon, soft and velvety; g. free, distant, very broad, pallid; s. 8-12 cm. horny, rigid, even, shining, bay, base downy, rooting; sp. 10 x 7-8.

=prolifera=, Sow. Caespitose. P. 1-2 cm. camp. then exp. subumb., margin coarsely striate, yellowish tan; g. adnexed; s. 6-8 cm. glabrous, shining, striate, brownish below, rooting; sp. ----.

=excisa=, Lasch. (non Berk.). P. 2-3 cm. camp. then obtuse, greyish fuscous or pallid; g. scarcely adnexed, narrowed behind, very broad in front, pallid; s. 2-3 cm. tough, even, grey, rooting; sp. ----.

Differs from M. polygramma in smooth stem.

var. fagetorum, Fr. Slender. P. even, striate to middle, smoky or livid then pale; g. joined to a collar; s. incurved at base, fixed to leaves by down.

=rugosa=, Fr. P. 2-5 cm. camp. then exp. subumb. tough, irreg. radially rugulose, greyish; g. arcuately adnate, white then tinged grey; s. 3-4 cm. tough, even, glabrous, pallid; sp. ----.

=sudora=, Fr. White. P. 2-3 cm. umb. striate, viscid; g. obtusely adnate, sometimes tinged pink; st. 6-10 cm. even, dry, rooting; sp. ----.