shining,
blackish or deep violet, edge incurved; g. deeply decur. anastomosing
behind, lilac; s. firm, elastic, thickened upwards, base strigose.

=revolutus=, Kickx. P. 9-15 cm. fleshy, firm, elastic, shining, depr.
behind, smoky-yellow then grey, edge incurved; g. serrulate, white; s.
2-3 cm. short, thick, whitish; sp. ----.

var. _anglicus_. Edge of p. not or very slightly incurved; g. pallid
ochraceous.

[=Staringii=, Oud. Excentric. P. lateral, produced at base into a short
oblique stem, suborbicular or reniform, exp. very glabrous, smoky
fuscous, centre paler; g. white, anastomosing behind.

=salignus=, Pers. P. 4-9 cm. fleshy, spongy, becoming depr. behind and
strigose, horizontal, yellow brown or dusky; g. somewhat branched, edge
eroded, dingy; s. short, firm, tomentose; sp. 8-11 x 3-4.

[=Saccardianus=, Arc. Subexcentric, usually sinuately lobed, even,
glabrous, at length exp. and wavy, tan or grey; g. narrow, thin,
crowded; s. striate, glabrous, grey or umber; sp. 6-5 x 3-4.

[=roseocinereus=, Allesch. P. thin, campan. edge becoming split and
striate, fibrously silky, rosy-grey; g. very broad, pallid flesh-red; s.
shining white, fibrously striato-sulcate; sp. pale rufous, 5-7.

=acerinus=, Fr. White. P. 3-8 cm. tough, circular, silky-villose; g.
closely crowded, white then yellowish; s. subobsolete, downy; sp. ----.

[=pathenopejus=, Comes. Large, caespitose. P. excentric, generally
dimidiate, conchate, elliptical or rounded, mouse-grey then pale,
viscid, squamulose; g. deeply decur. base anastomosing, white then
tinged yellow; sp. 9-12 x 4-6.

[=Gemmellari=, Inzeng. Large, sessile. P. lateral, convex then exp.
yellowish, striate, upper stratum gelatinous; g. decur. broad,
anastomosing behind, white then sulphur.

B. DIMIDIATI. _P. definitely lateral, without a free margin behind;
not resupinate at first._

[=geoginus=, D. C. P. erect, subinfundib. even, glabrous, edge wavy,
reflexed, brownish; g. decur. crowded, white; s. very short, thick,
tuberous.

=petaloides=, Bull. P. 2-5 cm. thin, ascending, spathulate, entire, disc
depr. brownish then pale; g. crowded, narrow, whitish; s. short,
compressed, downy; sp. 9-10 x 4.

_P. porrigens_ differs in being white and stemless.

[=semiinfundibuliformis=, Karst. Erect, simple, semiinfundib. even,
glabrous, rusty tan, edge wavy, reflexed; g. deeply decur. crowded,
whitish then yellowish; s. exactly lateral, pallid; sp. 4-6, subgl.

=pulmon