152 BRITISH DISCOMYCETES. 



cinereous brown to chocolate-brown, and the disc pale 

 watery cinereous or brownish ; the margin is usually 

 erect ; the sporidia in some of the specimens are narrowly 

 fusiform, in others broader and more obtuse. 



It is very near Belonidium lacustre (Fries) and B. 

 Scirjyi (Rabh.), but is distinguished from both by the 

 sporidia. 



Name — Pidlus, blackish. 



Forres, N.B. ! (Rev. Dr. Keith). Near Bristol ! (Mr. 

 C. Bucknall). Near Shrewsbury ! 



7. Belonidium filisporum. (Cooke.) 



Cups scattered or subgregarious, soft, hemispherical, 

 then flattened ; externally horn-colour or tawny, brown 

 when dry, connivent ; hymenium pallid, dirty white, 

 slightly concave ; asci cylindrical, clavate ; sporidia fili- 

 form, straight or curved, triseptate, 35 X 3/x; paraphyses 

 filiform, simple. 



Peziza (Mollisea) filispora — Cooke in " Grevillea," iii. 

 p. 66. 



On sheaths of grass. 



Allied to Peziza excelsior, Karst. (Cooke). 



Name — Filwm, a thread, cnropog, seed ; from the 

 slender sporidia. 



Genus VI. — Helotium. Fries (in part). 



Disc always open, at first punctiform, then dilated, 

 plane or convex, waxy, naked, sessile, or with a short 

 stout stem ; asci cylindrical or subclavate ; sporidia 8, 

 elliptic, fusiform, clavate, oblong, or cylindrical. (Plate V. 

 figs. 30, 31.) 



Name — ij\og, a nail. 



Distinguished from Hymenoscypha by the shorter 

 and thicker or absent stem, and the disc being open from 

 the first; from Belonidium by the simple or at most 

 2-septate sporidia ; and from Chlorosplenium by the 

 colour. 



Mostly yellow or brown, rarely white ; epiphytal. 



