Coprinus. 229 



f f Stem coloured. 



umbrinus, Mass. At first entirely enclosed in a white volva, 

 which leaves patches on p. P. 45 cm. umber, sulcate up to disc ; 

 g. free ; s. 10 15 cm. umber, margin of volva recurved ; sp. 17 18 

 x9. 



Differs from C. stenocoleus in sulcate pileus and umber stem. 



[stenocoleus, Lindbl. P. 6 8 cm. umb. even, blackish with 

 white squamules ; g. free ; s. 1015 cm. pale tawny ; margin of volva 

 free; sp. - . 



* * Small ; pileus less than 2 cm. high and wide. 

 f* Volva entire. 



[cyclodes, Fr. P. T5 2 cm. high, campan. striate, glabrous, 

 bay ; g. soon black ; s. 4 5 cm. white, rather flexuous ; edge of volva 

 recurved; sp. - . 



[equinus, Chelch. P. ovate then campan. greyish white, disc 

 darkest, covered with darker scurf or flecks ; g. free ; s. long, 

 glabrous, base rather swollen, volva with a free edge which some- 

 times breaks away as a ring ; sp. 5 6. 



[Trappenii, Oud. P. campan. 1 1 - 5 cm. apex with fragments of 

 volva, then glabrous ; g. purplish then black ; s. 1 1'5 cm. white, 

 volva entire ; sp. - . 



volvaceo-mmimus, Crossl. P. 4 5 mm. striate, grey with white 

 squamules ; g. slightly adnexed ; s. 2 2*5 cm. glabrous, hyaline, base 

 bulbous, volva with broad free edge ; sp. 6 7. 



Differs from C. Hendersonii in distinct volva and subglobose sp. 



C. bulbillosus differs in absence of a margiiiate volva. 



f f Volva torn into shreds. 



dilectus, Fr. P. 1*5 2 cm. very thin, campan., obtuse, finely 

 striate, rosy white then tawny, furfuraceo-floccose with rosy meal, 

 at length splitting, revolute and naked ; g. free, sublanceolate, 

 crowded ; s. 5 7 cm. whitish and powdered with rosy meal, base 

 thickened, volva reduced to squamules ; sp. - . 



Differs from C. oblectus in very rudimentary volva, and generally 

 smaller size. 



roseotinctus, Rea. P. 7 11 x5 7 mm. cylindr. then revolute, 

 umb. brown with rosy meal ; g. adnexed, broad ; s. up to 5 cm. 

 bulbous, white, with rosy meal when young; sp. 911 x 5 6. 



Perhaps too closely allied to C. dilectus. 



II. Volva absent, ring present on stem. 



* Large; Pileus 8 15 cm. high. 



comatus, Fr. P. cylindr. then campan. 915 cm. high, whitish 

 or tinged ochre, becoming broken up into large reflexed scales ; g. 



