Part 48

=umbratila=, Fr. P. 2 cm. thin, campan. then convex, umbil. umber brown, hygr.; g. broad, brownish; s. 3-4 cm. stuffed, brownish; sp. 7 x 5.

Readily mistaken with Coll. atrata and C. ambusta, differs in subdecur. gills.

=grisea=, Fr. P. 1-1.5 cm. camp. glabrous, everywhere striate, livid grey then hoary; g. distant, greyish; s. greyish-white, apex thickened, 5-7 cm.; sp. 7-8 x 4.

=fibula=, Bull. P. up to 1 cm. cucullate then exp. umbil. striate, orange yellow then pale; g. deeply decur. pale; s. 3-4 cm. very slender, weak, pale orange; sp. 4-5 x 2.

var. Swartzii, Fr. Apex of stem violet.

=directa=, B. and Br. P. 2-3 mm. nail-shaped flat at apex, white; g. decur. white; s. rather wavy, 2 cm. whitish, tinged rufous, with long hairs at base.

=belliae=, Johnst. P. 1 cm. thin, dry, top-shaped, infundib. pallid; g. decur. thick, veined; s. 2-3 cm. brownish, adhering by a cottony base.

=gracillima=, Weinm. Snow-white. P. 4-5 mm. downy, sulcate; g. decur. distant, thin; s. 1.5 cm. filiform, base cottony; sp. 6-7 x 3.

=bullula=, Brig. White. P. 3-4 mm. even, hemisph. diaphanous; g. arched, decur.; s. 2 cm. filiform.

** Gills fold-like, narrow.

=integrella=, Pers. White. P. 3-7 mm. hemisph. then exp. pellucid-striate; g. equal, fold-like, distant, rather branched; s. very slender, pubescent; sp. 6-7 x 4.

=polyadelphus=, Lasch. Pure white. P. 2-3 mm. coarsely striate and minutely flocculose; g. decurrent; s. 1-2 cm. very slender, base downy; sp. 5 x 2.5.

PLEUROTUS, Fr.

A. EXCENTRICI. Pileus entire, extended laterally, excentric but not truly lateral.

* Veil forming a ring on the stem.

=corticatus=, Fr. P. 8-18 cm. convex then exp. covered with dense greyish down then floccosely squamulose; g. decur. white, anastomosing behind; tinged yellow when old; s. 3-7 cm. subexc. rooting, ring torn; s. 9-14 x 4-6.

=dryinus=, Pers. P. 5-9 cm. oblique or subcircular, hard, whitish with brownish spot-like squamules, flesh white then yellowish; g. decur. not anastomosing behind, white tinged yellow; s. 2-3 cm. sublateral, ring fugacious, torn; sp. 10 x 4.

Differs from P. corticatus in gills not anastomosing behind.

=spongiosus=, Fr. P. 5-8 cm. spongy, pulvinate, greyish tomentose; g. sinuato-adnexed, white, simple; s. 1-3 cm. tomentose, white, ring white, soon torn; sp. 8-10 x 4.

** Gills sinuate or obtusely adnate.

=ulmarius=, Bull. P. 8-15 cm. convex then plane, glabrous, livid then pale, spotted; g. adnexed, broad, whitish; s. 1-3 cm. base thickened, tomentose; sp. 5-6, glob.

=tessulatus=, Bull. P. 7-10 cm. convex then plane or depr. behind, glabrous, tawny then paler and spotted; g. uncinato-adnate, white then yellowish; s. 1-3 cm. glabrous; sp. ----.

=subpalmatus=, Fr. P. 7-12 cm. Caespitose. Convex then depr. rugulose, rufescent, cuticle gelatinous; g. adnate, connected behind, dingy; s. 3-4 cm. incurved; sp. ----.

Remarkable for the variegated flesh.

P. almost black but fawn or yellow-brown when dry. Flesh tinged fuscous.

=craspedius=, Fr. Caespitose. P. 8-14 cm. thin, crenate or lobed, brick-red or paler, glabrous; g. adnate, narrow, crowded, white; s. 4-7 cm. solid, elastic, glabrous, pallid; sp. 5.

=fimbriatus=, Bolt. P. 4-7 cm. thin, plane then depr. margin sinuate or lobed, hygr. hyaline, whitish; g. adnate, closely crowded, white; s. 2-3 cm. firm, compr. downy; sp. ----.

=lignatilis=, Fr. Whitish. P. tough, convex then plane, umbil. irreg. floccosely pruinose then glabrous; g. adnate, crowded, narrow, shining white; s. irreg. rather downy; sp. 4 x 3.