346 AGARICUS. 



Psathyreila. On wooden pavement. Sibbertoft, 1870. Oct. 



Name e/m7r{7po?, scorched. Burnt-scented. B. &> Br. n. 1262. Fr. Hym. 

 Eur. p. 315. 



780. A. atomatus Fr. Pileus 1-2.5 cent - (X- 1 in-) broad, 

 livid, when dry becoming pale tan or pale flesh colour, some- 

 times reddish, hygrophanous, membranaceous, campanulate, ob- 

 tuse, slightly striate, when dry without striae, slightly wrinkled, 

 sprinkled with shining atoms. Stem 5 cent. (2 in.) long, almost 

 2 mm. (i lin.) thick, fistulose, equal, not rooted, lax, slightly bent 

 (not tense and straight), white and white-pulverulent at the apex. 

 Gills adnate, broad, ventricose, slightly distant, distinct, whitish, 

 but cinereous-blackish with the black spores. 



Solitary or gregarious. Pileus changing like A. gracilis from livid to whit- 

 ish and rose-colour, but more fragile. 



In woods, hedges, &c. Common. July-Sept. 



Spores 14x9 mk. W.G.S. Name atomatus, atomate. Sprinkled with 

 shining atoms. Fr. Monogr. \.p. 450. Hym. Eur. p. 315. Berk. Out. p. 176. 

 C. Hbk. n. 451. S. Mycol. Scot. n. 420. Saund. & Sm. t. 37. f. 3-6. 



781. A. crenatus Lasch. Pileus 18 mm.-2.5 cent, (%-i in.) 

 broad, ochrey or rufescent then pale, hygrophanous, membran- 

 aceous, hemispherical, sulcate, atomate, crenate at the margin. 

 Stem 4 cent. (i}4 in.) long, somewhat curved, fragile, smooth, 

 whitish, striate and mealy above. Gills adnate, somewhat ventri- 

 cose, light yellowish-fuscous then blackish. 



Fragile. 



On the ground. Penzance. 



Name crenatus, scalloped. Crenate at the margin. Lasch >i. 465. Fr. 

 Hym. Eur. p. 315. B. & Br. n. 2013. 



782. A. disseminatus Pers. Pileus whitish, or yellowish 

 then changing into cinereous, commonly livid, the disc becom- 

 ing yellow, membranaceous, oval then campanulate, at first 

 scurfy, then smooth, sulcate. Stem 2.5 cent, (i in.) or a little 

 more long, fragile, fistulose, often curved, lax, somewhat flexuous, 

 slightly scurfy then- smooth, white. Gills adnate ascending, broad, 

 but scarcely ventricose, white-cinereous then blackish. 



The stem often encircled at the base with the white mycelium expanded in 

 a stellate manner. Densely crowded or cccspitose. Varying much in stature. 

 The habit is that of Coprinus, very thin and soon wasting, but not becoming 

 fluid. 



About stumps and on the ground. Common. May-Nov. 

 Pileus about 6 mm. (3 lin.) broad. Often growing in multitudes. Spores 



