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 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 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 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 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 4.

var. _superba_, Ma.s.s. 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 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 4.

=flavida=, Schaeff. P. 3-7 cm. exp. equal; glabrous, moist, yellow; g.

yellow then rusty; s. 5-9 cm. yellow then rusty; 6-8 5.

=inaurata=, W. G. Sm. Sulphur yellow. P. 2-3 cm. moist, smooth, with a distinct veil; g. adnate with a decur. tooth; s. 2-3 cm. with innate scales; sp. ----.

=conissans=, Fr. P. 3-7 cm. thin, exp. equal, moist, glabrous, yellowish tan; g. crowded, pallid then dingy tan; s. 4-7 cm. hollow, silky fibrillose, pallid; sp. 8 4.

Habit of _Hypholoma fasciculare_.

=inopoda=, Fr. P. 3-9 cm. exp. moist, glabrous, honey-coloured tan; g.

linear, yellowish white then pallid; s. 7-14 cm. slender, wavy, adpressedly fibrillose, at length reddish below; sp. 10 6.

=apicrea=, Fr. 3-7 cm. exp. even, glabrous, moist, tan or dingy orange, disc tawny; g. crowded, shining rusty; s. 4-7 cm. hollow, equal, not rooting, pallid, base with rusty fibrils; sp. 7 3.

Differs from _F. alnicola_ in unchangeable gills, flesh hygr.; p.

clay-colour, disc tawny becoming pale, smell sweet.

[=austera=, Fr. P. campan.-convex exp. obtuse, moist, discoid, fibrillose then glabrous, hygr. honey-colour, disc tawny; g. subdecur.

always cinnamon; s. hollow, equal, not rooting, silky fibrillose, whitish.

[=azyma=, Bull. P. convex-exp. obtuse, moist, even, hygr. pale rusty, flocculose and rimosely squamulose when dry; g. adnate, gilvous, edge whitish; s. fibrillosely cortinate, pallid; sp. 10 long.

IV. SAPINEI. Pileus hardly pelliculose (flesh cracking or torn into squamules towards disc), not viscid. _Veil_ adpressedly fibrillose to the stem, _not appendiculato-cortinate, almost none, or forming a zone on stem_. Known more especially by yellowish or tawny yellow gills and ochre or tawny spores. Subcaespitose, always growing on pines or on pine branches etc. on the ground.

[=stabilis=, Weinm. P. compact, exp. even, glabrous, ochre, gibbous disc darker; g. whitish then tawny cinnamon; s. stout, rigid, whitish with ochre fibrils.

=penetrans=, Fr. P. exp. dry, almost glabrous, golden or orange tawny; g. yellowish-white spotted tawny; s. silky then striate, pallid, very fugacious flocculose veil white; sp. 8-9 4-5.

=hybrida=, Fr. P. 4-5 cm. hemispher. exp. obtuse, glabrous, even, moist, tawny cinnamon then tawny orange; g. adnate, pale yellow then tawny; s.

4-7 cm. narrowed upwards, tawny, whitish cortinate and cingulate; sp.

7-8 4-5.

[=harmoge=, Fr. P. campan. adpressedly squamulose, rather viscid, disc fleshy, verdigris green, rest lilac or pinkish; g. adnate, broad, sulphur then tawny-saffron; s. colour of p. veil floccosely radiating.

=sapinea=, Fr. P. 3-7 cm. exp. very obtuse, minutely flocculosely squamulose then rimosely broken up, golden tawny; g. adnate, broad, golden then tawny cinnamon; s. 3-5 cm. deformed, thick, grooved, rooting, yellowish; sp. 8 5.

[=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 4-5.

=liquiritiae=, Pers. P. 3-7 cm. splitting, convexo-plane, sub.u.mb.

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 5-6.

=nitens=, Cke. and Ma.s.s. 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 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 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 4.