PLUTEUS. 289 



slightly mealy, coarsely striate, white; gills free, narrow, 

 salmon-colour ; stem about in. long, somewhat bulbous, 

 white, rather downy, imperfectly hollow. 



Agaricus (Pluteus) semibulbosus, Lasch, in Fries' Epicr., 

 p. 141 ; Cke., Hdbk., p. 117 ; Cke., Illustr., pi. 518.A. 



On wood, branches, &c. 



Readily known by the fluted pileus and bulbous stem. 



Very small, stem minutely fistulose, scarcely exceeding 

 1 in. long, 1 line or a little more thick, downy, white, base 

 bulbous. Pileus slightly fleshy, globose then expanded, 

 usually hemispherical, obtuse, |- in. or a little more broad, 

 atomately soft (in ours scarcely sulcate), white. Gills free, 

 crowded, white then flesh-colour, margin similarly coloured. 

 (Fries.) 



*** Pileus glabrous, naked. 



Pluteus violarius. Mass. 



Pileus up to 1 in. across, flesh thickish, grey ; hemispherical 

 then nearly plane, even, minutely velvety, watery, dark 

 purple, disc darkest, margin undulate; gills free, crowded, 

 about 1 line broad, whitish then bright flesh-colour, margin 

 serrulate ; stem about 1 in. long, about 1^ line thick at the 

 base, and gradually attenuated upwards, pale umber and 

 sprinkled with delicate black fibrils below, whitish upwards, 

 silkj', hollow; spores subglobose and apiculate, smooth, 

 5-6 fj. diameter. 



Agaricm (Pluteus) violarius, Massee, Grev., xiii. p. 89; 

 Cke., Hdbk., p. 117; Cke., Illustr., pi. 518s. 



On stumps, &c. 



Gregarious. Distinguished at once by the minutely vel- 

 vety purple pileus. Smell none, taste pleasant. The paper 

 iu which the specimens were dried was stained bright violet. 



Pluteus roseoalbus. Fr. 



Pileus 2-3 in. across, flesh thickish at the disc, becoming 

 thin towards the margin, tinged red ; convex then expanded, 

 even, rosy, margin naked; gills free, rather distant, 2 lines 

 broad, flesh-colour ; stem 1 J-3 in. long, up to | in. thick, 

 equal or attenuated, minutely powdered with white meal, 



VOL. n. u 



