=pantoleucus=, Fr. White. P. 4-7 cm. even, glabrous, spathulate, depr. behind, marginate; g. crowded, distinct at base; s. 1-2 cm. ascending, glabrous, not rooting; sp. 11-12 × 4.
Differs from _P. spodoleucus_ in pileus being white and depressed behind.
[=pometi=, Fr. White. P. fleshy, rather flaccid, convex, even, disc depr.; g. decur. crowded, not joined behind; s. elastic with a downy rooting base; sp. 6-9 × 3-4.
[=Battarrae=, Q. White. P. cyathiform, spotted with blackish brown squamules; g. milk-white; s. slender, attenuated; sp. 12 long.
[=lignicola=, Sacc. White. P. tough, irreg. exp. subumbil. floccosely pruinose; g. adnato-decur. crowded, shining white; s. long, incurved, flocculose at first; sp. 14 × 4.
=mutilus=, Fr. White. P. 2-2.5 cm. fleshy, irreg. silky when dry; g. narrow, simple; s. 1-2 cm. long, terete, base downy; sp. ----.
Resembles _Omph. scyphoides_. Differs in nearly glabrous, irreg. p. not becoming infundib.
[=macropus=, Bagl. Large, caespitose. P. excentric, exp. glabrous, sooty-grey; g. decur. white; s. joined at base, firm, long, thickly tomentose.
[=luteo-caesius=, Bagl. P. subexcentric, exp. fibrillosely rivulose, tawny brown, edge wavy, incurved; g. subdecur. narrow, greyish yellow; s. solid, fibrillose, long rooting.
[=lutincola=, Lasch. Caespitose, fuscous; p. glabrous; g. adnate with a tooth running down stem to torn ring; s. often excentric.
[=pulvinatus=, Pers. P. pulvinate, rather wavy, glabrous, whitish, disc tinged flesh-colour; g. decur. crowded, white; s. very short, solid, hard.
**** _Veil absent; gills deeply decur.; pileus lateral, sessile or produced behind into a short stem-like base._
=ostreatus=, Jacq. Tufted. P. 7-15 cm. fleshy, shell-shaped, ascending, blackish then grey or pallid; g. rather distant, anastomosing behind, pallid; s. widening into p. very short, downy or strigose at base; sp. 10-12 × 4-5. Esculent.
var. _euosmus_, B. Smell strong. Gills and spores tinged pink.
var. _columbinus_, Q. P. dark bluish-grey.
[=ambiguus=, Oud. Excentric. P. sessile or shortly stalked, 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. ----.