=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. Smell strong, mealy. P. 2-3 cm. brick red then pale, plane then umbil. at length flocculose; g. closely crowded, white then yellow; s. red, fibrillose, 3-5 cm.; sp. ----. Differs from _C. incilis_ in solid stem, even edge of p. and yellowish g. [=Arnoldi=, Boud. P. depr. then infundib. wavy, subtomentose, minutely squamulose, ochrey brick-red; g. whitish; s. colour of p. fibrillose below; sp. 9-11 x 5-6. [=lentiginosa=, Fr. P. plane, deeply umbil. with concentric zones of minute tubercles, yellowish ochre; g. deeply decur. yellow; s. hollow, equal, yellowish fuscous. =parilis=, Fr. P. 1.5-2 cm. disc depr. edge involute, greyish white, ornately flocculose; g. narrow, greyish white; s. 2.3 cm. fibrous, sooty; sp. ----. ++ _Pileus coloured or pallid, glabrous._