348 BRITISH DISCOMYCETE^ 



.•j. 



Peziza pulveracea — A. and S., p. 342, t. 8, f. 2 ; Pers., 

 " Myeo. Eur./' p. 327. Cenangium pulveraceum — Fries, 

 " Sys. Myco," ii. p. 181. 



On dead stems of holly. 



Name — Pulvis, dust ; powdery. 



Trefriw, North Wales ! 



C. SPORIDIA LINEAR-FUSIFORM OR FILIFORM. 



6. Cenangium fuliginosum. Fries. 



Gregarious or csespitose, crowded into broad patches, 

 sessile or subsessile, erumpent, obovate, depressed at the 

 summit and fibrillose-striate, coated with rusty powder, 

 at length opening by a lacerated mouth, naked and 

 fuliginous ; hymenium whitish cinereous, coriaceous-mem- 

 branaceous ; asci cylindraceo-clavate ; sporidia 8, linear- 

 fusiform, acute, straight or curved, 4 to 8-septate, 50 — 

 70 X 2 — 3/u ; paraphyses filiform, sometimes branched. 



Pycnidia associated on the same stroma with the 

 above, globose, smooth, blackish, at length opening by a 

 pore at the summit ; stylospores linear-fusiform, straight 

 or curved, 3-septate, 20 — 30 x 25/ui. 



Cenangium fuliginosum — Fries, " Elench.," ii. p. 23 ; 

 "Eng. Flo.," v. p. 212 ; Tub, " Select. Fung. Carp.," iii. 166, 

 t. 20, f. 1-4 ; Berk., "Outl.," p. 374 ; Cooke, "Handbk.," No. 

 2193. Scleroderris fidiginosa — Karst., "Myco. Fenn.," 

 p. 216. 



Exs.— Moug., 889 ; Sommf., 191; Rabh., "Herb. Myco.," 

 ed. ii. 710 ; " Fung. Eur.," 938 ; Karst., " Fung. Fenn./ 

 336. 



Name — Fuligo, soot ; from the smoky colour. 



On branches of willow. 



Rockingham Forest (Rev. M. J. Berkeley). 



7. Cenangium seriatum. Fries. 



Gregarious or caespitose, erumpent through narrow 

 transverse cracks in the bark ; cups globoso-depressed, 

 at first closed, at length opening, horny, black, glabrous, 

 arising, in company with the pycnidia and spermogonia, 



