156 Massee. — A Revision of the 
On trunks of oaks and poplars. Sweden, Germany, France. 
Caespitose ; margin at first undulately plicate, then split and 
revolute. 
63. Coprinus Boudieri, Quel., Bull. Soc. Bot. France, Vol. 
xxiv, p. 321, pi. 5, f. 4. 
Ovoid, then campanulate, coarsely siriate, pale lawny, apex darker , 
covered with a fine white pubescence, 1-2 cm. across ; gills adnate ; 
spores angularly globose, 10-12 /a; stem 3-4 cm. long, white, 
pruinose and pubescent. 
On charcoal-beds. France, Finland. 
64. Coprinus Seymouri, Peck, 28th Rep. State Mus. N. 
York, p. 49. 
Caespitose , fragile ; pileus thin, soon expanded, smooth or sprinkled 
with small, granular scales, dark brown , disc sometimes with a reddish 
tinge, strongly striate, I-5-2-5 cm. broad; gills reaching the stem; 
spores broadly ovate, compressed, 6-8 x 5-6 ; stem 7-10 cm. long, 
white, smooth or slightly pulverulent, equal, hollow. 
On clay soil. United States. 
Allied to C. micaceus , but thinner, more fragile, darker in colour, 
and narrower gills. 
65. Coprinus discipes, Pat., Journ. Botanique, 1889, p. 339. 
Pileus thin, convexo-plane, entirely covered with slender, longitudinal 
wrinkles , blackish brown, villosely furfuraceous, 1-5 cm. across; gills 
adnate; spores 8-10x6 /a; stem about 3 cm. long, cylindrical, 
springing from a yellow, downy, jnycelial disc . 
On horse-dung. Martinique. 
66. Coprinus subcoeruleo-griseus, Schulzer, Verhandl. 
Zool. Bot. Gesell. Wien, Band 28, p. 431. 
Pileus very delicate, acutely conical, then plane, slightly striate, 
disc pale yellowish pink, remainder greyish blue, scattered with minute 
fugacious scales, 1-5-2 cm. high and broad; gills adnexed ; spores 
10-13x6-8 /a; stem 3-4 cm. long, white, pruinosely floccose, then 
glabrous, hollow. 
On horse-dung; gregarious. Austria. 
