[=Studeriana=, Fayod. P. convex then exp. edge acute, deep orange, covered with deciduous, purple-brown radiating silky fibrils; g. adnexed, brownish-tan, not spotted; s. cylindrical, fibrillose and coloured like p.; sp. rough, 8 x 4-5. =liquiritiae=, Pers. P. 3-7 cm. splitting, convexo-plane, subumb. glabrous, moist, edge at length slightly striate, tawny orange; g. broad, golden then tawny cinnamon; s. 4-5 cm. hollow, fibrous, striate, silky and white then tawny-rusty; sp. ----. =picrea=, Fr. P. 2-3 cm. cracking, convexo-exp. even, glabrous, rufous- or bay-cinnamon then tawny; g. crowded, narrow, yellow then rusty; s. 4-7 cm. fistulose, thin, somewhat umber, narrowed upwards, pulverulent at first; sp. 8-10 x 5-6. =nitens=, Cke. and Mass. Caespitose. P. 3-5 cm. hemispher. obtuse, shining, persistently purple brown; g. pallid then umber; s. 4-7 cm. fibrillose, pale pinkish brown, solid; sp. 10 x 5-6. [=limulata=, Fr. P. convex then irreg. densely papillosely-rivulose with innate flecks, tawny; g. crowded, yellow then cinnamon; s. thin, fibrillose, rather downy, fuscescent; sp. 6-7 x 3-4. V. SERICELLI. _Cortinate, cuticle of pileus rather silky, dry or viscid at first._ [=Agardhii=, Fr. P. convex then exp. obtuse, dry, fibrillosely silky, almost even, tawny-rusty; g. adnato-decur. crowded, tan then brown-rusty, edge paler, crenulate; s. equal, wavy, fibrillosely cortinate. =ochrochlora=, Fr. Caespitose. P. 3-5 cm. convexo-exp. obtusely umb. dry, rather silky, subsquamulose, greenish straw-colour; g. adnate, crowded, greenish-white then olive; s. 4-5 cm. hollow, scaly and white-floccose, wavy, base and inside rusty; sp. 8 x 4. Resembling _Hypholoma fasciculare_, differing in rusty sp. =helomorpha=, Fr. White. P. 1.5-2.5 cm. exp. gibbous, unequal, viscid, silky when dry, edge naked; g. adnato-decur. crowded, white then tan; s. 2-3 cm. solid, unequal, curved, even, almost glabrous; sp. 10 x 6. =scamba=, Fr. P. 2-4 cm. exp. subdepr. floccosely downy, viscid in damp weather, white then tinged tan; g. subdecur. yellowish tan; s. 3-4 cm. short, incurved, flocculosely cortinate, white, base narrowed; sp. 10-12 x 5-6. _Introduced species._ =filicea=, Cke. P. 2-4 cm. convexo-exp. or slightly depr. squamulosely fibrillose, deep yellow disc tawny, veil reddish, append.; g. adnate, sulphur then tawny; s. 3-5 cm. hollow, sulphur, base tawny; sp. 8 x 5. =purpurata=, Cke. and Mass. P. 3-4 cm. exp. obtusely umb. purple or purple-brown, squamulose, dry; g. adnate, yellow then rusty; s. 3-4 cm. incurved, purplish and granulose below; sp. 8 x 5. CORTINARIUS, Fr. _Key to the Subgenera._ I. =Phlegmacium=. Partial veil cobwebby. Pileus equally fleshy, viscid; stem firm, dry. p. 177. II. =Myxacium=. Universal veil glutinous, hence the pileus and scarcely bulbous stem are viscid. Pileus rather thin; gills adnate or decurrent. p. 183.