MOLLISIA. 183 



Very minute, gregarious, black with a whitish con- 

 nivent mouth, globose at first, afterwards cup-shaped; 

 asci 30 X 3/i. 



Name — The specific name of Spircea ulmaria. 



Wear Coppice, near Shrewsbury ! Forres, N.B. ! (Rev 

 Dr. Keith). 



Form Mercurialis. (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 l*5/i ; paraphyses filiform, slender. 



Niptera Mercurialis — Fckl., " Symb. Myco.," p. 293. 

 Peziza Mercurialis — " Grevillea," vi. p. 24. 



Exs.— Fckl., " F. Rh.," 1593 ; Phil., " El v. Brit.," 180. 



On dead stems of Mercurialis perennis. Autumn. 



Externally resembling ill", atrata. 



Name — Mercurialis, a genus of EuphorbiacecB. 



Trefriw, North Wales ! 



17. Mollisia Arctii. 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 o/u ; paraphyses linear, stout. 



Peziza Arctii — Phil, in Bucknall's " Fung. Bristol," 

 No. 999, fig. 5. 



On dead stems of Arctium Lappa. 



Cup about 500 jut broad. 



Name — Arctium, a, genus of Compositor. 



Blaize Castle Wood and Leigh Woods, near Bristol ! 

 (Mr. C. Bucknall). 



18. Mollisia Plantaginis. (Fckl.) 



Sessile, gregarious, minute, punctiform, at first closed, 

 globose, at length open, clad with a blackish meal ; 

 margin involute ; hymenium concave, cinereous or pallid- 



