=rancida=, Fr. Smell strong. P. 2-5 cm. umb. dusky grey with a white silkiness; g. free, narrow, grey; s. 7-12 cm. glabrous, grey, rooting; sp. 7-10 x 4-5. Distinguished among strong-smelling species by the rooting stem. [=ignobilis=, Karst. P. plane, subdepr. edge spreading, livid, hoary, pale when dry; g. crowded, dingy pallid; s. livid, floccosely pruinose; sp. 7-8 x 4. [=daemonica=, Karst. P. convex then exp. subumb. glabrous, rather virgate, livid fuscous, disc blackish, pale when dry; g. adnate, crowded, smoky, blackish when bruised; s. equal, glabrous, wavy, fibrillosely striate, pallid, apex white flocculose; sp. 8-10 x 4-5. =coracina=, Fr. Smell strong. P. 2-3 cm. exp. naked, hygr. brownish then grey; g. greyish-white; s. 2-3 cm. hollow, rigid, not rooting, brown, apex mealy-squamulose; sp. ----. Differs from _C. rancida_ in the short stem thickened at base, and not rooting; _C. ozes_ differs from present in long, slender, flexuous stem. =ozes=, Fr. Smell strong. P. 3-5 cm. exp. umb. naked, glabrous, hygr. margin striate, greyish brown; g. adnexed, grey then olive; s. 6-10 cm. subflexuous, slender, fragile, slightly striate, grey, apex with white meal; sp. ----. _C. rancida_ differs in free gills and rooting stem. [=mephitica=, Fr. Smell strong. P. exp. subumb. even, adpressedly innately silky, whitish; g. obtusely adnate, crowded, whitish; s. filiform, obsoletely fistulose, tough, grey, pruinosely velvety. =inolens=, Fr. P. 2-5 cm. exp. umb. glabrous, livid or pale tan; g. adnexed, greyish-white; s. 5-9 cm. livid, undulate, base white-strigose, apex white squamulose; sp. 7-8 x 4-5. _C. plexipes_ and _C. protracta_ differ in having the stem glabrous at the apex. =plexipes=, Fr. P. 2-4 cm. camp. rather rugulose, slightly striate, glabrous, sooty; g. free; s. 5-7 cm. livid, silky fibrillose, rooting; sp. 8-9 x 5. Differs from _C. protracta_ in free gills. [=miser=, Fr. P. subumb. glabrous, margin striate; g. adnate, grey; s. fuscous, apex mealy. [=atramentosa=, Kalchb. P. exp. subumb. rugulose, livid then sooty, flesh black; g. narrow, becoming blackish; s. naked, colour of p. [=fuliginaria=, Weinm. P. fuscous, with down; g. glaucous; s. fuscous, flocculose. =atrata=, Fr. P. 2-3 cm. pitch-black then brown, even, exp. or depr. margin arched; g. adnate; s. 2-2.5 cm. even, glabrous, brown outside and inside; sp. ----. =ambusta=, Fr. P. 1-2 cm. exp. papillate, slightly striate, glabrous, livid brown; g. adnate, tinged fuscous; s. 1.5-2 cm. somewhat stuffed, tough, livid; sp. 5-6 x 3-4. Differs from _C. atrata_ in umbonate pileus. ** _Gills very broad, more or less distant._ =lacerata=, Lasch. P. 2.5-3.5 cm. camp. moist, streaked dark brown on pale ground; g. adnexed, broad, thick, greyish; s. 5-9 cm. twisted, fibrous, apex floccose; sp. ----. [=phalliodorus=, Alex. Foetid, convex, subumbilicate, at length lobed, dingy ochraceous; g. adnate, white; s. glabrous.