384 BRITISH DISCO MYCETES. 



length, under a high magnifier, appears, when moist, of 

 a subolivaceous black, resembling a minute Sphceria 

 (M. J. Berkeley). Mouth 200 to 400/x broad; the disc 

 when moistened is pale yellowish brown. 



Name — /uucpog, small, arofia, the mouth ; from the 

 small mouth. 



Appin (Capt. Carmichael). 



B. SPORIDIA CLAVATE. 



4. Stictis pteridina. Phil, and Buck. 



Scattered, slightly immersed, circular or elongated, 

 irregular, open ; hymenium pallid-brown, not deeply 

 depressed ; margin membranaceous ; asci broadly clavate ; 

 sporidia 8, biseriate, clavate or clavate-fusiform, 6 to 

 7 times pseudo-septate or muriform, 28 — 44 x 5 — 9/ul ; 

 paraphyses filiform, adherent. 



Stictis pteridina — Phil, and Buck, in Bucknall's 

 " Fung. Bristol," pt. vi. p. 5, t. 1, f. 6. 



On stems of Pteris aquilina. 



Name — Pteris, the genus of ferns on one of which it 

 grows. 



Near Bristol ! (Mr. Cedric Bucknall). 



C. SPORIDIA FUSIFORM. 



5. Stictis hysterioides. Desm. 



Immersed, closed, hysteriform, then erumpent, pro- 

 minent, open, ovate-oblong or suborbicular ; border 

 brown-black, subgranulate ; hymenium waxy, tawny or 

 rufus ; asci cylindraceo-clavate ; sporidia 8, oblong, obtuse 

 or fusiform, with 4 guttse, 16 x 3 — 4^ ; paraphyses 

 filiform. 



SticHs hysterioides — Desm., " Ann. Sc. Nat.," 1843, 

 p. 365 ; B. and Br., " Ann. Nat. Hist.," No. 314; Cooke, 

 " Handbk.," No. 2225. Propolis hysterioides — Fckl., 

 " Symb. Myco.," p. 255. 



Exs.— Berk., No. 308; Moug. and Nest., No. 1242; 

 Roumg, " Stirpes," 337. 



On dead leaves of Carices. 



