[=labyrinthica=, Q. and Schulz. P. irregularly rounded, edge sinuate, produced behind into a short stem-like base, greyish white, base darker, not zoned but with scattered warts; lamellate in front underneath, behind white, glabrous and sterile; g. tan, anastomosing and forming labyrinthiform pores; sp. 6-8 x 3-4. [=faventina=, Caldesi. P. dimidiate, sessile, corky, tuberculato-scrobiculate, whitish then grey; g. radiating, irreg. porose behind, tinged yellow, edge acute, darker. [=mollis=, Heufler. P. broadly exp. incurved, soft, edge brown with darker zones, centre grey; g. strongly anastomosing, greyish or wood-colour. [=septentrionalis=, Karst. P. sessile, dimidiate, gibbous behind, floccose, radiately rugulose, pallid brownish with darker zones, almost glabrous, edge thin, blackish; g. simple, crowded, very broad, fuscous. [=sorbina=, Karst. P. corky, effuso-reflexed, imbricate, almost glabrous, usually even, not zoned, thin, pallid, edge obtuse; g. anastomosing, dingy white, thickish. TROGIA, Fr. =crispa=, Fr. P. 1-2 cm. shallowly cup-shaped, reflexed, lobed, downy, yellowish brown, edge whitish; g. fold-like, dichotomous, crisped, greyish-white; sp. subgl. 5-6. In the only European sp. the edge of gills not channelled. SCHIZOPHYLLUM, Fr. =commune=, Fr. P. thin, more or less fan-shaped or reniform, often much lobed, narrowed behind to a point of attachment, whitish, downy then strigose; g. radiating, narrow, brownish, edge split; sp. subgl. 5-6. var. _multifidum_, Mass. (= _S. multifidum_, Fr.) P. deeply incised, segments narrow. CHLOROSPORAE. =Chlorospora=. Gills free; veil appendiculate; volva and ring absent. [=Chlorophyllum=. Gills free; veil forming a persistent ring on the stem, volva absent. Not European.] CHLOROSPORA. =Eyrei=, Mass. (= _Schulzeria Eyrei_, Mass.) P. 2-4 cm. campan. then exp. and umb. even, glabrous, pale tan, edge appendiculate; g. free, clear pale green then deep bluish-green; s. 4-5 cm. equal, slightly wavy, pallid; sp. green, 4-5 x 3. The only known European representative of the Chlorosporae. RHODOSPORAE. A. _Gills free._ =Volvaria=. Volva present; ring absent. =Annularia=. Volva absent; ring present, often falling away. =Pluteus=. Volva and ring both absent. B. _Gills adnexed, rarely adnate._ =Entoloma=. Gills sinuate behind; edge of pileus incurved when young; stem fibrous or fleshy. =Nolanea=. Stem cartilaginous; pileus campanulate, edge straight and adpressed to stem when young. =Leptonia=. Stem cartilaginous; pileus convexo-plane, edge incurved at first; gills soon separating from stem. C. _Gills decurrent._ =Clitopilus=. Stem central, fibrous; edge of p. incurved at first. =Eccilia=. Stem central, cartilaginous; pileus umbilicate. =Claudopus=. Stem excentric, minute, or absent. Species minute, membranaceous. VOLVARIA, Fr. * _Pileus dry, silky, or fibrillose._