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 × 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 × 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._
=geotropa=, Bull. P. 5-12 cm. plane then infundib. obtusely umb. pallid; g. crowded, white then pallid; s. 7-12 cm. solid, fibrillose, flesh white; sp. 6-7 × 4-5.
[=candida=, Bres. Large. P. fleshy, plano-convex then depr. edge involute, even, pubescent, white becoming tinged tan; g. much crowded, narrow, attenuato-decur. white then pallid; s. stout, short, white; flesh white; sp. 7 × 3.
Close to _C. geotropa_ and _C. gigantea_. Differs in pure white colour and in sp.
=gilva=, Pers. P. 5-8 cm. soon depr. and wavy, dingy ochre, flesh same colour; g. closely crowded, ochre; s. 2-2.5 cm. solid, ochre; sp. subgl. 4-5.
=subinvoluta=, Batsch. P. 5-8 cm. convex then depr. tinged brick red, fibrillose, zoned; g. pale tan; s. 4-5 cm. reddish, grooved; sp. ----.