;
g. distant, broad, narrowed at both ends, paler than p.; s. 2 cm.
glabrous, paler than p.; sp. ----.

Differs from _O. umbellifera_ in having gills narrowed behind.

=abhorrens=, B. and Br. Foetid. P. 1-1.5 cm. umbil. brown then pale; g.
narrow, pale; s. 2 cm. slender, apex thickened, colour of p.; sp. ----.

=pseudoandrosacea=, Bull. P. convex, umbil. then infundib. plicate, edge
crenulate, whitish or grey; g. deeply decur. segmentoid; s. slender; sp.
5-7 x 3-4.

=griseo-pallida=, Desm. P. plane, umbil. even, glabrous, brownish grey
then pale; g. broadest behind, grey; s. stuffed, fuscous, 1 cm.; sp.
----.

Differs from _O. umbellifera_ and _O. rustica_ by p. not being striate
when moist.

=albidopallens=, Karst. P. convex, orbicular, scarcely umbil. pellucidly
striate, naked, hyaline white or pallid; g. adnate, decur. crowded,
pallid; s. equal, naked, pallid; sp. 4-5 x 3.

[=schizoxylon=, Fr. P. thin, almost plane, umbil. glabrous, grey; g.
narrow, paler than p.; s. rufous brown.

[=bibula=, Q. P. umbil. when moist, silky, olive-yellow then grey; g.
arcuate, broad, citrin; s. tinged citrin.

Near to if not identical with _Hygr. Wynniae_.

=stellata=, Fr. White. P. convex, umbil. diaphanous, striate; g. very
distant, thin, broad; s. equal, base radiately floccose; sp. 4 x 6.

II. MYCENARII. _P. at first campanulate, margin straight, adpressed
to stem._

* _Gills broad, perfect, unequal._

=campanella=, Batsch. P. 1 cm. convex, umbil. striate, hygr. rusty
yellow; g. connected by veins, arcuate, yellow; s. 2-3 cm. horny, bay,
base narrowed, tawny-strigose; sp. 6-7 x 3-4.

var. _badipus_, Cke. Base of s. slightly bulbous.

var. _papillata_, Fr. P. acutely conical.

var. _myriadea_, Kalchbr. Small, caespitose.

[=incomis=, Karst. P. convex, umbil. glabrous or broken up into
squamules, pale fuscous; g. adnato-decur. broad, white; s. tough,
thinner below, colour of p.; sp. ----.

[=psilocyboides=, Karst. P. convex, umbil. glabrous, tawny yellow; g.
very broad, yellowish-white; s. 8-12 cm. equal, bay, white-fibrillose,
apex paler and pruinose; sp. ----.

[=brunneola=, Q. Chestnut umber. P. umbil. squamulose; g. arcuate,
white; s. floccosely punctate, base with spreading fawn-coloured down;
sp. 10.

[=atripes=, Rab. P. thin, plano-depr. infundib. brown, pale and silky
shining when dry; g. very broad behind, brownish, albo-pruinose; s.
black, base bluish-pruinose.

[=Laestadii=, Fr.