r tan
colour then pale; g. truncate behind; s. 6-10 cm. equal, hollow, tough,
glabrous, yellowish, strigosely rooting; sp. ----.

Differs from _C. dryophila_ in umbo, broad gills, and strigosely rooting
stem.

=nitellina=, Fr. P. 2-4 cm. exp. even, shining, tawny, hygroph.; g.
adnate, white then tinted; s. 5-8 cm. equal, rigid, glabrous, tawny; sp.
----.

=succinea=, Fr. P. 2-2.5 cm. even, exp. then subdepressed, pale rufous,
often cracked; g. adnexed, broad, thickish, serrulate; s. 2-4 cm.
polished, rufescent, not rooting; sp. ----.

Differs from _C. dryophila_ by broader, thicker, less crowded gills, and
from _C. xanthopoda_ by absence of an umbo.

=nummularia=, Bull. P. 2-3 cm. exp. subdepressed round small umbo,
pallid; g. free; s. 3-5 cm. glabrous, pallid, apex thickened; sp. ----.

=esculenta=, Wulf. P. 1-2 cm. orbicular, exp. obtuse, glabrous, pallid
tan; g. adnate, lax, whitish; s. 2.5 cm. indistinctly hollow, even,
polished, yellowish tan, rooting, base glabrous; sp. ----.

_C. tenacella_ differs in fibrillose rooting base, and snow-white gills.

=tenacella=, Pers. P. 1.5-2 cm. exp. subumb. even, glabrous, brownish
then pale; g. broad, snow-white; s. 5-10 cm. narrowly fistulose,
straight, even, glabrous, tawny, long root strigose; sp. 5-6 x 3.

var. _stolonifer_, Jungh. P. springing from a long, creeping, cord-like
mycelium.

=eustygia=, Cke. Smell of rancid meal. P. 2-4 cm. exp. subdepr. often
wavy, whitish, shining when dry; g. dark grey; s. 4-7 cm. white above
and sprinkled with pointed scales; darker below, rooting; sp. subgl.
4-5.

[=rhodella=, Pat. P. thin, convexo-plane, reddish-brown, disc rugulose,
edge striate; g. adnate, distant, white, tinged pink; s. tinged brown,
twisted, wavy.

=retigera=, Bres. P. 3-6 cm. campan.-exp. umb. dry, glabrous,
fuscous-grey then pale, centre somewhat tawny, raised veins forming a
network on the surface; g. broad, edge paler, fimbriate; s. 4-6 cm.
pallid, whitish fibrillose, often compressed, somewhat rooting; sp.
----.

[=plumipes=, Kalchb. P. campan. exp. subumb. slightly innato-fibrillose,
livid fuscous, shining; g. broad, white; s. glabrous, white, base
fibrilloso-strigose.

Differs from _C. conigena_ in glabrous s. and broad g.

[=planipes=, Brig. Caespitose. P. orbicular, exp. rather viscid, bay; g.
free; s. colour of p., rooting.

[=Gussonei=, Inzeng. P. convex, subumb., rather striate, brick-red, edge
dingy yellow; g. adnate, broad, crimson