g.
unequally decur.; s. stout, short, white.

*** INFUNDIBILIFORMES. _Pileus fleshy at disc, thinner towards the
margin, becoming deeply umbilicate or infundibuliform._

+ _Pileus coloured, or becoming pallid, silky._

=gigantea=, Sow. (= _Pax. giganteus_, Fr.) P. 12-20 cm. infundib.
whitish or tinged tan, edge coarsely striate; g. closely crowded; s.
pallid, solid, glabrous, 3-5 cm.; sp. 5 x 3.

=maxima=, Fr. 12-25 cm. infundib. subumb. whitish or tinged tan, edge
even; g. deeply decur.; s. 7-10 cm. compact, fibrillosely striate,
whitish; sp. 6 x 4.

=infundibiliformis=, Schaeff. P. 4-7 cm. convex, umb. then infundib.
yellowish pink then pale, innately silky; g. deeply decur.; s. 5-7 cm.
thinner upwards, pallid; sp. 5-6 x 3-4.

var. _membranacea_, Fr. P. not umb.; s. equal; altogether more slender
than type.

[=squamulosa=, Pers. P. obtuse, tan, squamulose, at first obtuse, deeply
infundib.; g. decur. distant, white; s. narrowed upwards, elastic.

[=nauseosodulcis=, Karst. Very foetid when old. P. irregular, convex
then plane, glabrous, often areolately squamulose, entirely clay-colour;
g. decur. pallid; s. excentric, rarely central, usually unequal and
curved, solid, whitish; sp. 7-8 x 5.

Connato-caespitose, resembling _Pleurotus sapidus_.

[=Panizzii=, Barla. Caespitose. P. convex then umbil. or infundib. white
or grey, edge lobed, wavy; g. thin, narrow, striately decur. pale or
tinged rose; s. long, wavy, white; flesh elastic, white.

=trullaeformis=, Fr. P. 4-5 cm. obtuse then infundib. edge spreading,
greyish brown, floccosely villose; g. decur. connected by veins; s. 4-5
cm. striate, grey; sp. ----.

Differs from _C. cyathiforme_ in pure white flesh and gills.

=incilis=, Fr. P. 4-5 cm. plane then umbil. or infundib. margin silky,
incurved, crenate, brick red; g. white then pallid, connected by veins;
s. 1-2 cm. base narrowed, red; sp. 7 x 4.

[=pulla=, Gill. P. depr. then infundib. glabrous, hygr. brown then pale;
g. united by veins, lilac grey; s. swollen at base which is downy,
colour of p. white-fibrillose below, wavy.

Near _C. obbata_, which differs in striate margin, equal s. and distant
gills.

[=lenticulosa=, Gill. P. exp. umbil. then infundib. dry, reddish orange,
tuberculose near the even edge; g. crowded, white then tinged rose,
finally colour of p.; s. solid, paler than p.

Differs from _C. lentiginosa_ in solid s. and edge of p. not striate.

=sinopica=, Fr. S