COPRINUS. 359 



ulose, then opening into furrows and flattened, undulato-sulcate> Coprinus. 

 disc obtuse, even. Stem 5-7.5 cent. (2-3 in.) long, 4-6 mm. (2-3 

 lin.) thick, fistulose, slightly firm, attenuated upwards, adpressedly 

 silky, becoming even, white. Gills adne.red, at first crowded, dis- 

 tant when the pileus is split, linear, white then reddish, at length 

 fuscous-blackish. 



A larger and more remarkable species than all the neighbouring ones. 



On damp carpets, in cellars, c. Frequent. 



Name dotnus, a house. Found in houses. Fr. Monogr. i. p. 466. Hym. 

 Enr. p. 330. Berk. Out. p. 181. C. Hbk. n. 475. 



28. C. ephemerus Fr. Pileus ovali-clavate, then soon campan- 

 ulate, and on opening into furrows flattened, wholly in the form 

 of a veil and radiato-sulcate, at the first slightly scurfy, then 

 naked ; the elevated even disc ntfescent. Stem 2.5-5 cent. (1-2 in.) 

 long, fistulose, equal, smooth, pellucid, whitish. Gills reaching 

 the stem, remote without a collar, linear, at first whitish, then 

 becoming fuscous, at length black. 



Very tender, fugacious. When examined under a lens the pileus is delicately 

 scurfy. 



On dung. Common. May-Oct. 



Pileus 6-18 mm. (%-% in.) broad. Name e^rj/uepo?, lasting for a day. Fr. 

 Monogr. i. p. 467. Hym. Enr. p. 331. Berk. Out. p. 181. C. Hbk. n. 476. 

 S. Mycol. Scot. n. 437. Agaricus Fl. Dan. t. 832. f. 2. Bull. t. 128. 



29. C. sociatus Fr. Pileus 4 cent. (i)4 in.) broad, fuscous then 

 becoming pale, disc date-brown, ovali-cylindrical then expanded, 

 densely split into furrows, the raised ribs slightly scurfy, the even 

 disc 2imbilicate in the centre. Stem 5 cent. (2 in.) or a little more 

 long, fistulose, delicately attenuated from the base to the apex, 

 smooth, white, not pellucid. Gills adnexed in the form of a ring, 

 not remote, little ventricose, attenuated behind, cinereous-black. 



Pileus very tender. Gills slowly deliquescing. There is a variety in which 

 the gills reach the stem without a manifest collar. 



On damp soil. Cabalva, 1879. Oct. 



Name socio, to associate. Growing in groups. Fr. Monogr. i. p. 468. 

 Hym. Eitr. p. 331. Grevillea, vol. viii. p. 76. 



30. C. plicatilis Fr. Pileus 2.5 cent, (i in.) broad, fuscous 

 then bluish-grey-cinereous, disc darker, fuscous or rufescent, ovali- 

 cylindrical then campanulate, soon expanded, opening into fur- 

 rows, sulcato-plicate, for the most part smooth, disc broad, even, at 

 length depressed. Stem 2.5-7.5 cent. (1-3 in.) long, fistulose, thin, 



