[=Klukii=, Blonski. P. shell-shaped, reniform, downy, greyish-tan; g. crowded, decur. whitish then bright rosy; s. slightly curved, base white and downy; sp. 5-6 x 3. Allied to _C. byssisedus_ but larger. [=Peteauxi=, Q. P. cupulate then reniform, wavy, thin, fragile, minutely tomentose, shining white; g. free, sinuate, radiating from a central point which is continued into a very short, white tomentose stem; sp. 7 long. OCHROSPORAE. A. _Gills separating spontaneously, or very easily from flesh of pileus._ =Paxillus=. Margin of pileus persistently involute; gills decurrent or adnato-decurrent. B. _Gills not separating spontaneously, nor easily from flesh of pileus._ * _Stem furnished with a volva, or an interwoven ring, or with both._ =Locellina=. Volva and ring both present. =Pholiota=. Ring alone present. ** _Volva and ring both absent._ + _Stem central._ =Pluteolus=. Gills free. =Bolbitius=. Pileus membranaceous; gills deliquescent at maturity. =Inocybe=. Stem fleshy, fibrous externally; pileus fibrillose or scaly; gills sinuato-adnexed. =Hebeloma=. Stem fleshy, fibrous externally; pileus glabrous, viscid; gills sinuato-adnexed. =Naucoria=. Stem cartilaginous externally; edge of pileus incurved at first; gills adnexed or adnate. =Galera=. Stem cartilaginous externally; edge of pileus straight at first; gills adnexed or adnate, often with a decurrent tooth. =Tubaria=. Stem cartilaginous externally; gills broadest behind, decurrent or adnato-decurrent. =Flammula=. Stem fleshy, fibrous externally; gills adnate or decurrent. =Cortinarius=. Universal veil cobweb-like, not forming an interwoven ring, often collapsing and forming a ring-like zone on the stem; stem fleshy, fibrous. ++ _Stem excentric or absent._ =Crepidotus=. PAXILLUS, Fr. A. LEPISTA. _Pileus entire, central._ [=sordarius=, Fr. P. convexo-gibbous then plano-depr. dingy white, edge at length spreading and sulcate; g. adnate, crowded; s. spongy-stuffed, equal, striate, greyish white; sp. 8 x 6. =Alexandri=, Fr. P. 4-7 cm. compact, plane then depr. dry, fawn, edge strongly incurved; g. subdecur. yellowish; s. 1-2 cm. stout; sp. 4-5 x 2-3. =lepista=, Fr. P. 4-9 cm. plano-depr. dry, dingy white, edge incurved, even, naked; g. deeply decur. rather branched, crowded, whitish; s. solid, stout, pallid; sp. 8 x 6. Differs from large sp. of _Clitocybe_ by strongly incurved p. and dingy spores. =extenuatus=, Fr. P. 2-5 cm. rigid, campan. exp. naked, glabrous, moist, brownish tan, edge incurved, downy, even; g. deeply decur. closely crowded, white then dingy; s. 3-5 cm. solid, base tuberous, rooting; sp. ----. =panaeolus=, Fr. P. 2-4 cm. thin, exp. subdepr. glabrous, moist, white, edge incurved, thin; g. slightly decur. crowded, narrow, pale rusty; s. 2-3 cm. rufescent, thickened below; sp. subg. 5. var. _spilomaeolus_, Fr. P. with drop-like spots; s. slender, yellowish white; g. pale rusty.