Differs from _Psil. spadicea_ in the rusty cinnamon gills and spores. [=sublentum=, Karst. P. tough, campan.-convex, exp. obtuse, wavy, rugulose towards the edge which is silky from veil, glabrous, hygr. smoky rufous or brown then pale; g. adnate, purplish brown, edge white, flocculosely crenate; s. fibrous, hollow, white, veil append.; sp. 8-10 x 4-5. [=subpapillatum=, Karst. Caespitose. P. exp. wavy, glabrous, rough with minute crowded warts, bay or rufous-cinnamon then pale ochre and wrinkled; g. dry; s. equal, silky-shining, apex striate and pruinose, becoming pale; sp. 5 x 2.5-3. Differs from _Hypholoma appendiculatum_ in granulose p. =catarium=, Fr. P. 1.5-2 cm. hemispher. exp. ochraceous then pale; g. adnate, white then fuscous; s. 3-4 cm. white, rather shining, base thickened and white-floccose; sp. 6 x 3. =leucotephrum=, B. and Br. Tufted. P. 5-7 cm. campan. exp. whitish, rugose, append.; g. grey then blackish; s. 6-9 cm. apex coarsely striate, ring ample; sp. 10 x 6. [=felinum=, Pass. P. hemispher. exp. glabrous, hygr.; g. adnate, white, then fuscous; s. fistulose, short, slender, somewhat shining, base thickened and white floccose, apex striate. =egenulum=, B. and Br. Solitary. P. 2-3 cm. exp. umb. watery white, smooth, edge appendiculate; g. purplish umber, edge white; s. 4-5 cm. fistulose; sp. ----. =pilulaeforme=, Bull. P. 1.5-2 cm. globose then exp. even, fuscous then ochre; g. white then brownish; s. 2-3 cm. white, at first with a ring; sp. ----. PANAEOLUS, Fr. * _Pileus viscid, shining when dry._ =leucophanes=, B. and Br. P. 2 cm. campan. obtuse, whitish, satiny, edge with fragments of veil; g. adnate, edge white; s. 4-5 cm. white, slightly wavy; sp. 11-13 x 7-8. =egregius=, Mass. P. 4-5 cm. ovate-campan. even, orange-brown; g. adnexed, broad, edge paler; s. 9-12 cm. pale brown; sp. 15-17 x 7-8. =phalenarum=, Fr. P. 2-5 cm. campan.-convex, obtuse, greyish then yellowish, veil append.; g. broad, greyish then black; s. 6-10 cm. equal, pruinose, pale rufescent; sp. 10 x 6. Differs from _P. papilionaceus_ in viscid p. ** _Pileus not viscid, moist, subflocculose when dry._ =retirugis=, Fr. P. 2-3 cm. globose then hemisph. subumb. pinkish tan, atomate, opaque, with anastomosing raised ribs; g. greyish black; s. 5-9 cm. equal, pruinose, purplish; sp. 11-13 x 7. (15-20 x 8-9 Sacc.) Margin often appendiculate. [=remotus=, Schaeff. P. campan.-convex, subumb. flocculosely-rugulose when dry, smoky-tawny; g. free, at length remote, ventricose, black; s. fistulose, slender, fuscescent; sp. 11-12 x 8-9. =sphinctrinus=, Fr. P. 1.5-2 cm. parabolic, obtuse, even, moist, grey or smoky-black, livid and rather silky when dry, veil append.; g. adnate, grey or olive then blackish with a very narrow white edge; s. 4-7 cm. sooty grey, apex even; sp. 15-17 x 9-10. *** _Pileus not viscid, smooth, rather polished, zoneless._