PLUTEUS. 283 



depressed, quite glabrous, then incurved, flexuous, hygro- 

 phanous, pallid when moist, shining white when dry ; gills 

 emarginate, about 3 lines broad, distant, ventricose, pale 

 flesh-colour; stem 2-3 in. long, 2 lines thick, equal, striate, 

 very fragile, shining white, hollow ; spores subglobose, 

 nodulose, about 12 /i diam. 



Agaricus (Jleheloma) speculum, Fries, Spic, p. 4; Cke., 

 Illustr., pi. 308. 



Among grass and twigs. 



Very fragile, somewhat caespitose, inodorous, readily 

 known by the shining whita pileus and stem when dry. 



Pileus almost membranaceous, pellucid when moist, at 

 first convex, soon expanded and depressed, biit the disc is 

 mostly obtuse or slightly umbonate, even, very glabrous, 

 hygropbanous, watery or pale straw-colour when moist, 

 silvery and polished, but not having a silky appearance 

 when dry, margin thin, incurved, flexuous, pellucidly striate ; 

 gills slightly adnexed, broadly emarginate near the stem, 

 3-4 lines broad, white then flesh-colour, margin entire, with 

 a brown tinge ; stem hollow, 2-3 in. long, 2 lines thick, 

 glabrous, round when young, then compressed, shining. 

 (Fries.) 



PLUTEUS. Fries, (figs. 4, 5, p. 236.) 



Pileus irregular ; gills free from the stem, rounded behind, 

 salmon-colour at maturity ; stem central, ring and volva 

 entirely absent ; spores smooth or warted, pale salmon or 

 flesh-colour. 



Pluteus, Fries, Epicr., p. 140; Cke., Hdbk., p. 114. _ 

 The species grow on wood. When young, the gills are 

 white, then pale salmon-colour or flesh-colour, in some species 

 with a shade of yellow. 



ANALYSIS OF THE SPECIES. 



* Cuticle of pileus furnished with fibrils or down that 

 eventually disappears. 



** Pileus slightly powdery or atomate. 



*** Pileus glabrous, naked. 



