HETEROSPH RIA, 3871 
Genus IJ—HETEROSPHARIA. Grev. 
Perithecium sessile, globose-depressed, umbilicate 
above, at length open and irregularly torn, thin, cori- 
aceous, black ; disc thick, placentiform ; sporidia 8. 
Pyenidia similar to the above; stylospores slenderly 
fusiform, curved. (Plate XI. fig. 71.) 
Name—repoc, different, spaipa, a sphere; different 
from the normal Spheria., 
1. Heterospheria patella (Tode). Grev. 
Erumpent, sessile, free, at first more or less olivaceous, 
at length black, even or striate; disc depressed, rarely 
open, dirty white, and then crowned with a toothed 
border ; sporidia biseriate, oblong, rounded at the ends, 
slightly curved, mostly uniseptate, when mature tri- 
septate, 13—16 x 3—4yu; paraphyses filiform. 
Pycnidia similar to the above, and more generally 
found ; the stylospores slenderly fusiform, acute at both 
ends, 25—30 x 3°54; sterigmata short, filiform, some- 
times branched. 
Asci and stylospores sometimes found associated on 
the same dise. (Plate XI. fig. 71.) — 
Heterospheria Patella—Grev., t. 103; Fries, “Elench.,” 
ii. p. 183; Berk., “Outl.,” p. 379; Cooke, “ Handbk.,” 
No. 2275; Tul., “Select. Fung. Carp.,” iii. p. 174, t. 18, f. 
16-22; Karst., “Myco. Fenn.,” p. 222; Gill. “Champ.,” 
p. 188. Spheria penetrans, a. patella—Tode, “Fung. 
Meckl.,” ii. p. 45, £121. Spheria patella—Pers., “Syn. 
Fung.,” p. 76; Fries, “Sys. Myco.,” ii. p. 511. Peziza 
fimbriata—Chaill, “Sec. Fr.” Peziza Chai/letii—Pers., 
“Myco. Eur.” i. p. 288. Phacidium patella—Fries, 
“ Elench.,” ii. pp. 183, 184; “Eng. Flo.,” v. p. 291; Rabh., 
“Krypt. Flo,” i. p. 160. Tympanis patella—Wallr., 
“ Crypt. Flo.,” p. 425. 
Exs.—Fries, “Scl. Suec.,” No. 369; Moug. and Nest., No, 
485; Desm., “Crypt. Fr.,” ed. i. No. 215, and ed. ii. No. 
415; Berk., 289; Rabh., “Herb. Myco.,” ed. ii, 446, 447; 
