350 BRITISH DISCOMYCETES. 
8, linear-clavate, obtuse at one end, acute at the other, at 
length 3 to 5-septate, 20—38 x 3:5—45u; paraphyses 
filiform, slender. 
Pyenidia separate or united, sessile, nearly globose, 
glabrous, becoming fulvous, when dry cinereous-black, 
rugose ; stylospores nearly elliptic or oblong-ovate, 
straight, with two large nuclei, colourless, 7—11 x 3:5— 
4u; sterigmata subulate, simple, about 2u long. 
Peziza Ribesia—Pers., “Tent. Disp. Meth.,” p. 35; 
and “Syn. Fung.,.” p. 672; A. and 8. p.344. Cenangium 
Ribis—Fries, “Sys. Myco.,” ii. p. 179; “Hlench,” ii. p. 21; 
“Summa Veg. Scan.,” p. 364; Tul., “Select. Fung. Carp.,” 
ili. p. 163, t. 19, £ 1-9; Fekl., “Symb. Myco.,” p. 267; B. 
and Br., “ Ann, Nat. Hist.,” No. 585; Cooke, “ Handbk.,” 
No. 2188. Tympanis Ribis—Wallr., “ Crypt. Flo.,” ii. p. 
431. Scleroderris ribesia—Karst., “Myco. Fenn.,” p. 215. 
Pycnidia: Spheria Ribesia—Link., “ Hand.,” iii. p. 
376. Fuckelia Ribis—Bon., “ Diss. Myco.,” iv. p. 135. 
Exs.—Schm., exs. No. 75;.Desm., “Crypt. Fr.,” ed. i. 
2013, ed. ii. 1613 ; Karst., “ Fung. Fenn.,” 929; Klotzsch., 
345; Rabh., “Fung. Eur.” 727; Sommf., 189; Rehm, 
“ Asco.,” 422. 
On currant twigs. 
Name—Ribes, the genus to which the currant belongs. 
Thame (Dr. Ayres). 
9. Cenangium Rubi. (Fries.) 
Innato-erumpent, scattered or czespitose, somewhat 
horny, smooth, nearly plane, black; hymenium becoming 
paler; margin erect or incurved; asci clavate; sporidia 
8, cylindraceo-clavate, 7-—8 x 54; paraphyses filiform. 
Lrochila Rubi—De Not., “Dise.,” p. 15. Excipula 
Rubi—Fries, “ Sys. Myco.,” ii. p. 190; “Eng. Flo.,” v. p. 
296; Grev., t. 334; Fekl, “Symb. Myco.,” p. 400. 
Cenangiwm Rubi—Berk., “Outl.,” p. 374; “Ann. Nat. 
Hist.,” No, 1924; Cooke, “Handbk.,” No. 2194. Mol- 
lisia atrata, var. Rubi—Karst., “Myco. Fenn.,” p. 202. 
Pyrenopeziza Rubi—Rehm, “ Asco.,” No. 416; Sacc., 
“ Mich.,” i. p. 423, 
