D. VELUTINI. _Pileus not rimose, cuticle of interwoven fibrils, almost smooth, or adpressedly scaly, disc even; stem polished, glabrous, whitish, apex mealy._ =sambucina=, Fr. White, smell strong. P. 4-7 cm. firm, convex, exp. obtuse, silky fibrillose, even, sometimes tinged yellow; g. crowded, whitish; s. 3-4 cm. stout, solid, glabrous, striate, white; sp. 11-12 x 6. =caesariata=, Fr. P. 1.5-3 cm. convex exp. gibbous, somewhat tawny, ochraceous-fibrillose or subsquamulose; g. entire, pale ochre; s. 3-6 cm. solid, equal, fibrillose, pale ochre; sp. 8 x 4. (10-12 x 5 Sacc.) [=delecta=, Karst. (= _I. caesariata_, var. _fibrillosa_, Fr.). P. exp. even, fibrillosely scaly, dingy tawny- or rufous-honeycolour, paler when dry; g. at length fuscous, edge paler and floccoso-crenate; s. solid, dingy yellow or pallid, white-fibrillose; sp. ----. [=subgranulosa=, Karst. P. convex then exp. or slightly depr. obsoletely umb. even, pale ochre, disc more especially with minute erect dark squamules; g. adnate, greenish- then brownish-cinnamon; s. hollow, curved or wavy, paler than p.; sp. 7-9 x 4-5. =lucifuga=, Fr. Smell strong. P. 2-3 cm. convex-plane, subumb. adpressedly fibrilloso-squamulose, fuscous or olive then pale; g. yellowish white then olive; s. 3 cm. solid, firm, equal, glabrous, apex rather pruinose; sp. 10 x 6. [=decipiens=, Bres. P. exp. umb. floccosely silky, disc smooth then broken up into scales, cinnamon ochre; g. greyish white then lurid cinnamon; s. glabrous, apex slightly pruinose, rather striate, pallid; sp. rough, 11-14 x 6-8. [=tomentella=, Fr. P. convex, obtuse, fibrillosely tomentose, brownish; g. subadnate; s. solid, equal, white, apex pruinose, with a cortinate median annular zone, otherwise glabrous. =sindonia=, Fr. P. 3-5 cm. thin, conico-convex, obtusely gibbous, velvety-villose, dingy white or yellowish, edge appendiculate; g. lanceolate, whitish then fuscous; s. 4-7 cm. with a separate pith which disappears, then hollow, almost glabrous; sp. 7 x 4. (10 x 5 Sacc.) Differs from _I. geophylla_ in larger size and hollow s. [=cortinata=, Roll. P. campan. then exp. strongly umb. whitish straw-colour, umb. darker, becoming rimose, white veil at margin; g. adnato-decur. dingy ochre, edge flocculose, paler; s. white, fibrilloso-striate, curved, ring median. Perhaps a cortinate form of _I. sindonia_. =Clarkii=, B. and Br. P. 2-3 cm. campan. obtuse, whitish, silky; g. adnexed, pallid, edge white; s. 3-5 cm. nearly equal, solid, white; sp. 8-10 x 6. Differs from _I. sindonia_ in solid s. and pale g. =geophylla=, Fr. P. 1-2 cm. conical then exp. umb. even, silky-fibrillose, white or lilac; g. adnexed, crowded, dingy white then umber; s. 4-6 cm. equal, firm, apex with white meal, veil fibrillose; sp. 7-8 x 4. _I. scabella_ differs in brownish squamulose p. var. _fulva_, Pat. P. rufous-ochre, edge paler; sp. 8-10 x 5. var. _violacea_, Pat. P. violet; sp. 10 x 5.