=aethiops=, Fr. P. 1.5-2.5 cm. plano-depr. even, shining, black then smoky, glabrous but innately fibrillosely virgate; g. adnate, entirely whitish; s. 3-5 cm. blackish brown, black punctate upwards; sp. rough, 10 x 7. Differs from _L. lampropoda_ in black punctate s. =solstitialis=, Fr. P. 1-1.5 cm. exp. at length depr. papillate, rugulose, obsoletely innately fibrillose, fuscous; g. emarginate, broad; 2-3 cm. smoky, glabrous; sp. rough, 12-14 x 7. [=camelina=, Lasch. P. obtuse, pallid rufous; g. arcuate, crowded; s. stuffed, fibrillose, base curved. [=Turci=, Bres. P. convex, umbil. then exp. brown-umber then tan, densely downy then squamulose; g. broad; s. hollow, compr. livid cinnamon; flesh white, rosy when broken; sp. angular, 11-12 x 7-8. ** _Gills at first bluish or grey._ =serrulata=, Pers. P. 2-3 cm. hemispher. exp. umbil. rather scaly, blackish blue; g. broad, edge black-serrulate; s. 2-3 cm. paler than p. with black points above; sp. rough, 12-14 x 6-8. =euchroa=, Pers. P. 1.5-2 cm. campan.-convex, obtuse, fibrillosely scaly, violet; g. violet, edge darker, entire; s. 2-3 cm. violet, not black punctate; sp. rough, 10 x 7-8. Differs from _L. chalybea_ and _L. lazulina_ by growing on wood. =chalybea=, Pers. P. 2-3 cm. convex, subumb. not striate, flocculose then squamulose, dark violet; g. greyish-white, edge rather paler; s. 3-5 cm. blue, not punctate; sp. 10 x 6. Differs from _L. lazulina_ by p. not being striate. =lazulina=, Fr. P. 1.5-2 cm. campan. striate, at first glabrous then cracked into squamules, sooty black; g. adnate, equally narrowed from stem to edge of p. pallid grey; s. 4-5 cm. blue, not punctate; sp. 10 x 6. [=Bresadolae=, Schulz. P. subglobose then exp. umbil. and depr. umber, minutely squamulose; g. pale violet; s. bright blue, base bulbous with white down; sp. rough, 8-10. [=Bizzozeriana=, Sacc. P. umb. exp. dusky grey with dark scurf; g. dusky vinous-purple; s. dusky purple; sp. 7 x 3. [=Gorteri=, Weinm. P. convex, obtuse, velvety-squamulose, grey then pale, edge white-fimbriate; g. fuscous purple, shining; s. purple violet. *** _Gills fuscous- or dusky-purple._ [=calimorpha=, Weinm. P. conico-convex, umb. densely squamulose, sooty or black; g. nearly free, ventricose, with a purple sheen, edge black; s. blackish-purple. [=aquila=, Fr. P. exp. deeply umbil. bay; g. sinuato-adnexed, very broad; s. stuffed, fuscous, thickened upwards. [=pyrenaica=, Pat. and Doas. P. convexo-plane, 4-5 mm. slightly umb. edge incurved, reddish brown; g. pale red, adnate with a tooth; s. solid, curved, colour of p.; sp. 5-6. **** _Gills pallid. Pileus yellow or greenish then pale._ =incana=, Fr. P. 2-3 cm. exp. umbil. glabrous, somewhat virgate, brownish green; g. adnate with decur. tooth, greenish white; s. 3-5 cm. shining, brownish green; sp. rough, 8-9.