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Genus Coprinus. 
156. Coprinus rapidus, Fries, Epicr. p. 253 - 
Pileus cylindrical, then plane, coarsely grooved, lurid or pale drab , 
always glabrous, often slightly undulated, 1-5-2-5011. across; gills 
free but close to the stem, brown ; stem 4-5 cm. high, white, glabrous. 
On the ground near dwellings, &c. Sweden, France, Germany. 
Deliquescing rapidly after expansion. 
157 . Coprinus modestus, Berk. & Curt., Proc. Amer. Acad. 
Arts & Sci. 1858, p. 1 1 8. 
Pileus very delicate, sulcate, glabrous, pallid purple ; gills linear, 
free, black ; stem slender. 
On decayed wood. Bonin Islands. 
There is no specimen in Berkeley’s herbarium, hence the original 
meagre description cannot be supplemented. 
Species belonging to the last division with a glabrous pileus , but cannot 
be arranged in the series , owing to absence of information respecting the 
attachment of the gills. — 47—54. 
158 . Coprinus sororius, Karsten, Symb. Myc. Fenn. viii, 
p. 9. 
Pileus naked (from the first ?), about 2 cm. broad ; gills white or 
greyish, then black; spores 9-12x6-7 /x ; stem 5-6 cm. long, even, 
obsoletely flocculose , hyaline- white, pellucid. 
In meadows. Finland. 
Similar to C. mycenopsis , but smaller (Karsten). 
159. Coprinus plutonius, Mont., Hist. Nat. lies Canar. 
P- 72 , Pi- 5 , Fi g- 2 - 
Pileus conico-campanulate , white, costate, ribs joined by transverse 
bars , margin crenate, disc umbonate, even, yellowish, 2-3 cm. across 
when expanded ; gills distant, black ; stem 4-6 cm. long, hollow, 
base incrassated, white with numerous blackish bands at regular 
intervals. 
Gregarious on volcanic scoriae. Gomera, Canary Islands. 
160 . Coprinus spiralis, Mont., Hist. Nat. lies Canar. p. 72, 
P>- 4 , %• 5 - 
Pileus conico-campanulate, acuminate , margin sulcate for a short 
distance, ochraceous brown, up to 1 cm. high ; gills greyish black ; 
