MOLLISIA. 183 
Very minute, gregarious, black with a whitish con- 
nivent mouth, globose at first, afterwards cup-shaped ; 
asci 30 X 3u. 
Name—The specific name of Spiraea ulmaria. 
Wear Coppice, near Shrewsbury! Forres, N.B.! (Rev 
Dr. Keith). 
Form Mercwrialis. (Fckl.) 
Sessile, at first closed and globose, then open, nearly 
plane, externally black, squamulose; margin connivent, 
whitish, fimbriate; hymenium cinereous; asci cylin- 
draceo-clavate; sporidia 8, fusiform or subcylindrical, 
7—9 x 154; paraphyses filiform, slender. 
Niptera Mercurialis—Fckl.,, “Symb. Myco.,” p. 293. 
Peziza Mercwrialis—* Grevillea,” vi. p. 24. 
Exs.—Fck1., “ F. Rh.,” 1593; Phil. “ Elv. Brit.,” 180. 
On dead stems of Mercurialis perennis. Autumn. 
Externally resembling M. atrata. 
Name—WMercurialis, a genus of Huphorbiacee. 
Trefriw, North Wales! 
17. Mollisia Arctvi. Phil. 
Scattered, sessile, at first subglobose, then expanded, 
scabrous, darkish brown; margin paler, serrated, erect 
or sub-involute; hymenium when moist pale watery- 
brown ; asci broadly clavate ; sporidia 8, linear-lanceolate, 
biseptate, 30—45 x 54; paraphyses linear, stout. 
Peziza Arctii—Phil. in Bucknall’s “Fung. Bristol,” 
No. 999, fig. 5. 
On dead stems of Arctium Lappa. 
Cup about 500 broad. 
Name—Arctium, a genus of Composite. 
Blaize Castle Wood and Leigh Woods, near Bristol ! 
(Mr. C. Bucknall). 
18, Mollisia Plantagimis. (Fckl.) 
Sessile, gregarious, minute, punctiform, at first closed, 
globose, at length open, clad with a blackish meal; 
margin involute; hymenium concave, cinereous or pallid- 
