COPRINUS 515 



1693. C. ephemeras (Bull.) Fr. Cke. IUus. no. 673, t. 685, fig. B. 



e<j)iifjLepo<;, lasting but a day. 



P. 6-18 mm., greyish, disc rufescent, very tender, membranaceous, 

 ovali-clavate, then soon campanulate, and on opening into furrows 

 flattened, radiato-sulcate, disc elevated, often umbonate, even, at first 

 slightly scurfy, then naked (but minutely mealy under a lens). St. 

 2-5-5 cm. x 1-2 mm., whitish, pellucid, equal, smooth. Gills whitish, 

 then fuscous, at length black, reaching the st., remote, linear. Flesh 

 white, very thin. Spores black, ovate, or cylindrical-elliptical, 8 

 10 x 5-5-8/z. Cystidia vesiculose, globular or subconical, sometimes 

 with a bottle-neck apex, 20-50 x 16-30 /A. On horse, and rabbit dung. 

 Dung-hills, and pastures. May Oct. Common, (v.v.) 



1694. C. bisporus Lange. (= Coprinus bisporiger Buller.) 



Bis, twice; aTropd, seed. 



P. 5-12 mm. high and broad, pallid, or ochraceous, then greyish- 

 hyaline, ovate-conical, then revolute and radially sulcate up to the 

 prominent disc, covered with erect, minute hairs, 45-120 x 12-24/z. 

 St. 3-8 cm. x 1-3 mm., white, equal, base strigose. Gills white, then 

 blackish, adnexed, narrow, 2 mm. wide. Flesh white, ochraceous under 

 the pellicle of the pileus, thin except at the disc. Spores purplish- brown 

 in the mass, dark brown under the microscope, oval, or oblong ellip- 

 tical, 12-14 x 6-7 /i ; basidia broadly ovate, 8-10/x in diam., with 2- 

 sterigmata. Cystidia inflated, ovate, 80-90 x 45-55/x. Wood and 

 dung. Aug. Oct. Uncommon, (v.v.) 



1695. C. velox Godey. Gillet, Champ. Fr. Hym. t. 175 



Velox, fleeting. 



P. 3-4 mm., greyish, membranaceous, cylindrical then obovate, soon 

 expanded, striate, furrowed, disc and ribs scurfy. St. 1-5-3 cm. x 1mm., 

 white, somewhat pellucid, covered with short, whitish fiocci, especially 

 towards the radiating fibrillose base. Gills grey, then black, reaching the 

 stem, thin. Flesh very thin. Spores "dark brown, elliptical, 7-5-9 x 

 4-5/z" Lange. Cystidia "none" Massee and Salmon. Cow, and horse 

 dung. Oct. Jan. Uncommon. 



1696. C. aquatilis Peck. Peck, 27th Rep. New York State Mus. t. 1, 

 figs. 26-28. Aquatilis, found in or near water. 



P. 1-5-2 cm., yellowish brown, campanulate, sulcate-plicate almost 

 to the apex, scurfy. St. 5-7 cm. x 2 mm., whitish, equal, scurfy. 

 Gills brownish, then black, reaching the st. Flesh of p. pale orange, 

 thin. On decaying sticks, or twigs partly submerged, or lying in wet 

 mossy places, also on Luzula sylvatica. June. Rare. 



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