There are two forms: A. Smell strong, pungent, p. fuscous then tan; s. becoming rusty. B. Milder, p. tawny; s. and g. yellowish. =mixta=, Fr. P. 2-5 cm. convexo-plane, viscid, crust-colour, disc darker, rugulose; g. subdecur. crowded; s. 3-7 cm. hollow, pallid, fusco-fibrillose, rufous-scaly below; sp. 10 x 5. =juncina=, W. G. Sm. P. 3-4 cm. hemispher. exp. even, glabrous, sulphur, disc brown; g. decur. sulphur then reddish brown; s. 8-10 cm. tapering downwards, sulphur, base tawny; sp. ----. =decussata=, Fr. P. plane, obscurely umb. viscid, virgate with innate radiating fibrils, crust-colour; g. adnate, crowded, narrow, yellowish then tan; s. tawny. =gummosa=, Lasch. P. 3-6 cm. plane, floccosely scaly then even, viscid, yellow or greenish; g. adnate, crowded, yellow then cinnamon; s. 4-7 cm. silky fibrillose, base reddish; sp. ----. =spumosa=, Fr. P. 3-5 cm. exp. even, viscid, yellowish; g. adnate, yellow then rusty; s. 4-9 cm. equal, slender, fibrillose, yellowish; sp. 9 x 5. [=Henningsii=, Bres. P. convex, exp. greenish-yellow or citrin, centre tinged fuscous, with disappearing brownish squamules; g. sinuato-adnate, crowded, yellow then tawny cinnamon; s. fibrillosely squamulose then almost glabrous, tawny-yellow; sp. 8-9 x 5.5. [=carbonaria=, Fr. P. 3-5 cm. almost plane, even, viscid, somewhat tawny, flesh yellow; g. adnate, tan becoming fuscescent; s. 3-7 cm. rigid, squamulose, pallid; sp. 10-11 x 5-6. III. UDI. _Cuticle of pileus continuous, not distinct or separable, glabrous_ (frequently with superficial down), _moist or slightly viscid in rainy weather. Veil evident, appendiculate._ Spores not tawny nor ochre. Allied to _Pholiota_, caespitose, growing on wood. =fusus=, Batsch. P. 4-8 cm. compact, convexo-exp. even, rather viscid, reddish tan, flesh yellowish, veil append.; g. subdecur. yellowish then rusty; s. 4-5 cm. fibrillosely striate, base narrowed, colour of p. rooting; sp. 10 x 4. var. _superba_, Mass. P. 8-12 cm. deep orange; s. pale orange; g. narrow, bright yellow. =filia=, Fr. P. 4-7 cm. exp. glabrous, moist in rainy weather but not viscid, pale reddish yellow; g. adnate, arcuate, tawny yellow; s. 8-14 cm. glabrous, pale yellow, hollow; sp. 10 x 5. [=cortinata=, D. C. Caespitose. P. convex, glabrous, discoid, veil append.; g. adnate, rusty; s. hollow, unequal, squamulose, white. var. _cortinella_, Dub. P. ovoid-convex, yellow or greyish-yellow; g. whitish then rufous-lilac, at length vinous. =astragalina=, Fr. P. 2-4 cm. exp. discoid, at first superficially silky near edge, saffron blood-red, flesh same; g. adnate, crowded, pale yellow then rusty; s. 3-9 cm. wavy, fibrillosely scaly, pallid; sp. 10 long. =alnicola=, Fr. P. 3-7 cm. exp. moist, even, at first subfibrillosely scaly then nearly glabrous, yellow then rusty, rarely greenish; g. broad, pallid then rusty; s. 4-9 cm. partly hollow, narrowed to a rooting base, fibrillose, yellow then rusty; sp. 9 x 4.