238 Coprinus. 



attached to a collar; s. 4 5 cm. white, glabrous, not pellucid; 

 sp. . 



Gills much nearer s. thau in C. plicatilis, much narrowed behind, 

 black. 



[sulcato-crenatus, Steinh. P. cylindrical then campan. soon 

 plane, sulcato-crenate, almost glabrous, yellow, disc brown, even, 

 becoming depr.; g. remote from stem, distant; s. yellow, apex brown; 

 sp. obtusely triangular, compressed. 



Differs from C. plicatilis in yellow p. and s. 



[Patouillardii, Q. P. conico-campan. then plane, coarsely striate 

 up to disc, grey, disc rough with minute reddish granules; g. attached 

 to collar distant from s. ; s. 47 cm. white, glabrous, fragile ; sp. 

 angularly globose, 6 8. 



Differs from C. nycthemerus in white s. ; and from C. velaris in 

 rough disc. 



papillatus, Fr. P. elliptical then campan. becoming plane and 

 upturned ; disc prominent and rough with minute warts, dark, 

 striate, covered with greyish scurf, '51 cm.; g. free; s. 2'5 cm. 

 white, hyaline, hollow; sp. 15 x 7. 



[affinis, Karst. P. conico-cylindr. then exp. greyish white, disc 

 pale rufous, plicate, scurfy; g. free; s. flaccid, glabrous, pallid; sp. 

 68 x 57. 



radiatus, Fr. P. cylindrical, soon plane and splitting, yellowish, 

 disc darker, then whitish, minutely pilose when young; g. almost 

 free ; s. 1 3 cm. hyaline, pilose ; sp. 7 8 x 5. 



Gibbsii, Mass, and CrossL Very minute, p. 0'5 mm. hemispher. 

 then exp. striate, glabrous, pale ochre ; g. adnate, few ; s. 4 7 mm. 

 white, glabrous ; sp. subcircular, compressed, 8 9 diarn. ; cystidia 

 piriform. 



[lanatus, Boud. P. soon campan. plicately striate, greyish rufous 

 disc darker ; g. free ; s. glabrous, white, slightly bulbous. 



** Pileus glabrous. 



f* Gills attached to stem. 



Stem downy or pulverulent. 



tardus, Karst. P. ovoid then campan. 2'5 5 cm. coarsely striate, 

 bay then ochre, glabrous; g. adnate; s. 6 10 cm. white, slightly 

 flexuous, equal ; sp. angularly ellipt. 1218 x 7 9. 



Differs from C. deliquescens in smooth disc and adnate g. 



[Gilletii, Jacobasch ( = Cop. intermedius Gill.) P. ovato-campan. 

 grey, disc yellow, pulverulent then glabrous, edge striate ; g. ovato- 

 elongate, blackish ; s. slender, glabrous, hollow, with a membranaceous, 

 distant, fixed erect ring. 



[attenuatus, GilL P. conico-campan. even, glabrous, edge sulcate, 

 upturned when dry, apex yellowish ; g. broad, ventricose, reddish- 

 brown ; s. long, slender, hollow, narrowed towards base. 



