i65 
Genus Coprinus . 
97 . Coprinus caducus, Harz., Bot. Centralb. xxvii, p. 416. 
Pileus oval, then cylindrical, striate, grey in the cylindrical state, 
then blackish brown, disk dark grey, at first covered with a dense 
snow-white powder , which becomes grey, 8-1 1 mm. high ; gills spring- 
ing from a collar; spores elliptical, 9-10x6-7 ; stem variable in 
length, 2-12 cm. long, greyish brown above , base whitish. 
In shaft of coal mine. Bavaria. 
98 . Coprinus Britzelmayri, Sacc. & Cub., Syll. v, No. 4447 
{Coprinus macrosporus , Britz., Melanosp. p. 183, f. 129 ; not 
of Peck). 
Pileus and stem covered with snow-white meal ; pileus 2 cm. and more 
broad; gills adnexed, greyish black; spores elliptical, 20 x 10-12 p ; 
stem up to 7 cm. high by 5 mm. thick. 
In meadows. Bavaria. 
99 . Coprinus albulus, Quel., Assoc. France, Congres de 
Rouen, 1883, p. 4, tab. 6, f. 11. 
Pileus almost hemispherical, pellucid , striate, minutely pulverulent, 
5 mm. broad; gills arcuately adnate; spores ovoid, 20 p long; stem 
2 cm. long, filiform, pulverulent , with a slender rooting base . 
On fallen grass-stems (. Triticum ). France. 
Resembling Mycena tenerrima in habit. 
100 . Coprinus semilanatus, Peck, 24th Rep. State Mus. 
N. York, p. 71. 
Pileus broadly conical, then expanded, atomate , finely striate, pale 
greyish brown, 1-5-2- 5 cm. broad; gills free; spores 13 \x long; stem 
10-15 cm. long, white lower half dotted with loose , cottony flecks , 
smooth or slightly mealy above, hollow. 
On rich ground and dung. United States. 
Very fragile. Allied to C. codpertus. 
101 . Coprinus divergens, Britz., Melan., p. 182, fig. 64. 
Pileus parabolic, brownish at first , margin paler, becoming dark 
grey, deeply striate , hoary at first, 1-5 cm. broad, gills blackish grey, 
spores elliptical, ends acute, 10-11 x 6-7 p ; stem up to 4 cm. high, 
pellucid , whitish. 
In pastures. Bavaria. 
Intermediate between C. tomentosus and C. niveus (Britzelmayr). 
