Part 9

Differs from A. aurantia in deeply emarginate, broad, whitish gills.

Allied to Armill. robusta but larger.

=aurantia=, Schaeff. P. 5-8 cm. rusty orange; g. adnexed; s. 6-8 cm. stout, orange and concentrically squamose up to ring, white above; sp. ----.

=ramentacea=, Bull. P. 5-8 cm., obtuse, whitish or yellowish with darker squamules; g. adnexed becoming free; s. 3-5 cm. with brown squamules up to the oblique fugitive ring; sp. ----.

=constricta=, Fr. All white. P. 3-5 cm. obtuse, dry, glabrous, silky; g. emarginate, adnexed, or almost free; s. 3-6 cm. solid, fibrillose or squamulose, ring apical, narrow; sp.

Much stouter than A. subcava.

** Gills narrowed behind, more or less decurrent, with no sinus.

=mellea=, Vahl. P. 5-12 cm. soon expanded, yellowish-brown, squamulose, margin striate; g. slightly decurrent; s. 8-12 cm. floccose up to spreading ring, base honey-colour; sp. 9 x 5-6.

Mycelium forming long black strands. A destructive parasite.

=denigrata=, Fr. P. 3-5 cm. obtuse, dark brown, rather viscid, spotted with droplike depressions, and with elevated warts, margin even; g. rather decurrent; s. 4-5 cm. solid tinged brown, ring disappearing; sp. ----.

=citri=, Inz. P. 2-3 cm. soon plane, subumb., even, yellow; g. adnate; s. 5-7 cm., slender, ring spreading; sp. subgl. 5 x 4.

=subcava=, Schum. P. 3-4 cm. white, umbo brownish, striate to middle; g. decurrent; s. equal, hollow upwards, 4-5 cm., even up to torn ring, punctate above, white; sp. ----.

Differs from A. constricta by longer thinner stem, and striate pileus.

=haematites=, B. and Br. P. 2-3 cm. obtuse, liver-coloured; g. adnato-decurrent; s. 3-5 cm. coloured like pileus up to ring, whitish above; sp. 8 x 5.

*** Gills adnate without a sinus.

=mucida=, Schrad. P. 4-8 cm. soon expanded, white or grey, rugulose, glutinous; g. striately decurrent; s. 5-12 cm. base thickened, ring apical, striate, tumid; sp. 15-16 x 8-9.

=Jasonis=, Cke. and Mass. P. 3-5 cm., camp. then expanded, umb., yellow, disc tawny, papillate; g. adnate; s. 5-7 cm. coloured like pileus, squamulose up to torn ring; sp. 8 x 5.

TRICHOLOMA, Fr.

A. Pileus viscid, scaly, or villose.

I. LIMACINA. Pileus viscid when moist, innately fibrillose or squamulose, but not broken up.

* Gills not changing colour, not becoming rufescent.

=equestre=, Linn. P. 7-12 cm. exp. obtuse, viscid, squamulose, yellow or tinged green; g. sulphur yellow; s. 4-7 cm. yellow; sp. 7-8 x 5.

=coryphaeum=, Fr. P. 8-15 cm. soon exp. viscid, yellowish with darker squamules; g. white, edge yellow; s. solid, obclavate; sp. subglobose, 5-6.

T. equestre differs in having gills entirely yellow, and T. sejunctum in its pure white gills.

=sejunctum=, Sow. P. 7-10 cm. expanded, yellow with brown streaks, viscid; g. pure white; s. 8-12 cm. white, apex squamulose; sp. subgl. 5-6.

=portentosum=, Fr. P. 7-12 cm. viscid, sooty often with purple tinge, viscid, streaked with dark lines; g. white, very broad; s. 7-8 cm. whitish, glabrous; sp. subgl. 4-5 x 4.

=fucatum=, Fr. P. 5-7 cm. soon plane, viscid, dingy yellow with darker stains; g. white or tinged yellow; s. 5-7 cm. fibro-squamulose, whitish; sp. ----.

=quinquepartitum=, Fr. P. 7-10 cm. viscid, even, glabrous, pale yellowish; g. broad, white; s. 7-10 cm. white, striate, glabrous; sp. 5-6 x 3-4.