unning
down stem in lines.

=spissa=, Fr. P. 7-10 cm. soon plane, umber or grey with small grey
warts, flesh persistently white; g. running in lines down stem, white;
s. 6-8 cm. white, bulbous, slightly rooting, concentrically cracked or
squamulose, ring large; sp. 9-10 x 6.

++ _Pileus clear yellow or orange._

=aureola=, Kalchb. P. 7-10 cm. soon plane, orange or golden, viscid,
naked; g. free; s. 8-12 cm. slender, white, floccosely-squamulose, ring
sup. volva marginate; sp. ----.

=citrina=, Gon. & Rab. P. convex, obtuse, 8-12 cm. bright yellow with
white patches; g. white, broad, free; s. 10-12 cm. long, stout, white,
volva imperfect, ring large; sp. globose, warted, 6-7.

[=amici=, Gill. P. conical, then obtusely umb., striate, slightly
viscid, yellowish ochre, disc brownish and covered with large irreg.
greyish persistent patches; g. free, ventricose, narrowed at both ends;
s. hollow, bulbous, ring small inf., no free edge to volva.

+++ _Pileus whitish or greyish._

=nitida=, Fr. P. 8-10 cm. hemispherical, whitish, with thick, angular,
brownish warts; g. free, crowded; s. 7-9 cm. conical, bulbous,
squamulose, white, ring torn; sp. ----.

=solitaria=, Bull. 8-12 cm. soon plane, whitish or tinged rufous, warts
angular, small, floccose, easily removed; g. white, broad, narrowed
behind and adnexed; s. 7-10 cm. with imbricated scales below, ring
torn, base swollen, rooting, volva marginate; sp. 7-12 x 5-6.

=echinocephala=, Vitt. White. P. convex then plane, shining, bristling
with acute, deciduous pyramidal warts; g. adnexed; s. solid, scaly, base
bulbous, rooting, ring distant; sp. 10 diam.

[=Persoonii=, Fr. P. greyish-white, margin even; g. free; s. solid,
nearly equal, rooting.

[=arida=, Fr. P. soon plane, grey, margin sulcate; g. adnexed; s.
subglabrous, ring distant, volva absent.

=strobiliformis=, Vitt. P. 10-20 cm. convex then expanded, white, grey,
or dingy ochre, with large pyramidal, hard warts; g. free; s. floccosely
scaly, bulbous, ring large, torn, volva forming concentric rings; sp.
13-14 x 8-9.

[=cariosa=, Fr. P. soft, even, umber or dark grey, with mealy patches;
g. adnate; s. equal throughout; sp. 10 long.

AMANITOPSIS, Roze.

* _Pileus coloured._

=vaginata=, Bull. P. 6-10 cm. plane, margin striate, grey, yellow,
brown, or white; g. pallid; s. 10-12 cm. narrowed upwards, minutely
squamulose, volva large, margin free; sp. 10 x 7-8.

The grey form is edible,