COPRINUS 513 



then expanded. St. 6-8 x 1 mm., whitish, flattened and discoid at the 

 base, smooth. Gills becoming black, free, narrow, distant. Flesh white, 

 thin. Spores "blackish, 8 x 6 /A" Massee. On dead stems of Phalaris 

 arundinacea, and on Palm stems in conservatories. Oct. Rare, (v.v.) 



1685. C. Spegazzinii Karat. 



C. Spegazzini, the South American mycologist. 

 P. 3 cm., greyish, cylindrical, or oval, 2 cm. high, then expanding 

 and splitting up to the disc, at first with a cobweb-like covering, and 

 even, soon naked and grooved. St. 6-7 cm., white, thickened below and 

 rooting, adpressedly silky. Gills free. Flesh very thin. Spores elliptical, 

 9-14 x 5-6/A. On soil in a plant pot. Rare. 



***P. micaceous or furfuraceous. Gills commonly adnate to the apex 

 of the st., which (in some species) is dilated into a ring or collar. 

 Ringless. 



1686. C. domesticus (Pers.) Fr. Fr. Icon. t. 140, fig. 3. 



Domesticus, pertaining to the house. 



P. 3-6 cm., fuliginous, disc date brown, submembranaceous, ovate, 

 then campanulate, furfuraceo-squamulose, then opening into furrows, 

 and flattened, undulato-sulcate, disc obtuse, even. St. 5-7-5 cm. x 

 2-6 mm., white, slightly firm, attenuated upwards, adpressedly silky, 

 then polished. Gills white, then flesh colour, at length fuscous blackish, 

 adnexed, linear, 2 mm. broad. Flesh white, fuliginous in the p., thin. 

 Spores black, elliptical, 9-10 x 5-6 jn. Cystidia "only on edge of gill, 

 globular, about 5/n broad, with or without a 5-16/u, long, 5-6 /z broad, 

 appendix" Lange. Often caespitose. On damp carpets, in cellars, 

 on old walls, and in gardens. April Dec. Not uncommon, (v.v.) 



1687. C. stercorarius Fr. Stercorarius, belonging to dung. 

 P. 2-3 cm., whitish, very tender, membranaceous, ovate, then cam- 

 panulate, at length expanded, pellucid, covered with dense, micaceous, 

 somewhat persistent, shining white meal; margin striate. St. 4-5 cm. x 

 2 mm., shining white, fragile, attenuated upwards from the thickened 

 base, pruinose, becoming smooth, often springing from a darkish 

 sclerotium. Gills white, soon black, adnexed, attenuated behind, ven- 

 tricose, 1-2 mm. broad. Flesh white, greyish at the disc, very thin. 

 Spores black, broadly elliptical, or subglobose, 7-10 x 7-8 /A. Cystidia 

 "vesiculose-clavate, 50-75 x 30-40 /A" Rick. Rich soil, dung, road- 

 sides. May Oct. Not uncommon, (v.v.) 



1688. C. tuberosus Quel. (= Coprinus stercorarius Fr. sec. Lange.) 

 Quel. Soc. bot. xxv, t. 3, fig. 2. Tuberosus, having a swelling. 



P. 3-5 mm., white, then greyish, membranaceous, elliptical, then 

 campanulate, finely striate, covered with hyaline, warted, granular 

 vesicles, the remains of the universal veil. St. 24 cm. x 1 mm., white > 



