Part 22

=galericulata=, Scop. P. 2-5 cm. conic camp. exp. striate up to umbo, dry, brownish, livid, &c.; adnate with decurrent tooth, connected by veins, pinkish when old; s. 5-8 cm. polished, even, glabrous; sp. 6-7 x 4.

M. rugosa differs from present sp. in having grey gills and rugulose pileus.

Very near to Mycena galericulata, differing in being fragile and in becoming pale.

=polygramma=, Bull. P. 3-7 cm. conic camp. subumb. dry, striate, dark grey or blackish-blue when young; g. pale pinkish-grey tinge; s. 7-12 cm. rigid, tough, shining, longitudinally striate, strigosely rooting, grey; sp. 11-12 x 6.

Differs from M. plicata in striate stem.

=parabolica=, Fr. P. 2-5 cm. oval then camp. striate to middle, disc blackish-violet, margin paler, becoming pale; g. adnate; s. 4-7 cm. even, glabrous, base strigose, dark coloured; sp. 11-12 x 6.

Differs from M. galericulata in absence of decurrent tooth of gills, also their pinkish colour.

=tintinabulum=, Fr. P. 2-3 cm. tough, camp. even, bay, yellow brown, pallid, &c., viscid when moist; g. adnate with a decurrent tooth, crowded; s. 2-3 cm. even, glabrous, pallid, strigosely rooting; sp. 7-8 x 5.

Differs from M. galericulata in short stem and even pileus.

=Berkeleyi=, Mass. (= excisa, B.). P. 3-7 cm. camp. striate up to umbo, hygr. dingy brown then paler; g. broadly sinuate with decurrent tooth, tinged flesh colour; s. 7-12 cm. long, purplish brown, base rooting; sp. 5 x 3.5.

Requires to be carefully distinguished from white forms of M. galericulata and M. rugosa. S. lubricous when moist, not viscid.

IV. FRAGILIPEDES. Stem fragile, dry, juiceless. Pileus hygrophanous. Gills often discoloured.

=atroalba=, Bolton. P. 2-3 cm. campan. obtuse, disc blackish or fuscous, whitish towards striate margin; g. free, crowded, glaucous; s. 6-10 cm. pallid, apex darker, base swollen, strigose; sp. ----.

=dissiliens=, Fr. Smell strong, very fragile, conico-camp. obtuse, greyish-brown then pale, grooved to middle; g. broadest in front, base tinged grey; s. 4-5 cm. subincurved, slightly striate, dusky grey, base strigose; sp. ----.

When compressed the stem splits into pieces which curl outwards elastically.

=atrocyanea=, Batsch. P. 1-1.5 cm. convex-camp. sulcate, dark brown then blue-grey, powdered with white meal, deformed umbo obtuse; g. adnexed, whitish; s. 3-4 cm. slender, glabrous, blackish-blue; sp. ----.

=pullata=, B. and Cke. Smell slightly nitrous. P. 1.5-2 cm. dark brown, disc blackish, obtusely umb. striate to middle; g. white; s. 5-6 cm. coloured like pileus, rooting; sp. 6 x 3.

M. leucogala and M. galopoda differ in white milk in stem.

M. atrocyanea differs in dark blue tinge of p. and s.

=psammicola=, B. and Br. Smell strong. P. 4-6 mm. hemispherical, brown, paler towards striate margin, sprinkled with minute particles; g. adnexed, sinuate; s. 1.5-2 cm. umber, paler upwards, everywhere pulverulent; sp. ----.

Differs from M. paupercula in pulverulent stem and pileus.

=paupercula=, B. Smell strong. P. 2-4 mm. conical, exp. pale ochraceous, minutely fibrillose; g. free, whitish; s. 1-1.5 cm. slender, whitish, rooting; sp. ----.

=leptocephala=, Pers. Smell strong, solitary, entirely grey. P. 2-2.5 cm. umb. sulcate, pruinose, opaque; g. emarginate; s. 4-5 cm. slightly striate, opaque, dry; sp. ----.

=alcalina=, Fr. Smell strong. P. 1.5-2.5 cm. camp. obtuse, naked, deeply striate when moist, shining when dry, pallid or tinged yellowish-green; g. adnate; s. 4-7 cm. yellowish, viscid, glabrous, shining, base villose; sp. 8 x 5.

=ammoniaca=, Fr. Smell strong. P. 1.5-2 cm. conico-exp. umb. naked, discoid, opaque, dark brown or greyish, striate at paler margin; g. adnate; s. even, glabrous, rooting, pallid, 4-5 cm.; sp. ----.

M. alcalina differs in tufted habit, viscid stem with yellow tinge of colour.

=metata=, Fr. Smell weak, alkaline, soft. P. obt. striate, hygr. grey--rarely yellowish or pinkish--even, opaque, and whitish when dry; g. adnate, not connected by veins, whitish; s. 4-7 cm. firm, even, glabrous, base fibrillose; sp. ----.

=cinerea=, Mass. and Crossl. Entirely grey, smell strong, like radishes. P. 1.5-2 cm. subgibbous, exp. pale, silky and even when dry; g. adnate; s. 5-7 cm. glabrous, downy and white at base; sp. 8 x 5; cystidia fusiform.