SPH^RIACEI. 909 



On pea stems. Twycross. 



An obscure species, with scattered, extremely minute, subhemisplierical, 

 depressed, mouthless perithecia ; asci short ; sporidia ('OOOr in.) '0177 m.m. 

 constricted in the middle, uniseptate. —B. <L' Br. 



2733. Sphaeria corni-sueciae. JTr. " Cornel Sphceria." 



Scattered, shining, jet black, depressed ; ostiolnm obsolete 

 (asci oblong, curved ; sporidia oblong-clavate, uniseptate, hya- 

 line) — Fries, exs. no. 409. Sph. corni, Sow. t. 370, /. 5. Eacj. Fl. 

 V. p. 276. FcJd. exs. no. 912. 



On stems of cornel. 



The portion of the stem on which it grows is whitened, and the perithecia 

 which are of a very bright jet black, are almost effused at the bas3, and often 

 sulcate in the direction of the stem. — J/../.B. 



Only a Sphceropsis (Carr, Limi. Tranii. xxii. p. 330J. 



2734. Sphaeria duplex. S(m\ " Uncertain Sphcerella." 



Scattered ; perithecia immersed, globose, latent, black ; ostiola 

 naked, dilated, hemispherical. — Sph. duplex, Sow. t. 376, J. 4. 

 Fr. S.M. ii.p. 520. Fnj. Fl. v. p. 277. 



On stems of UmhellifercB and on petioles of Sparganium. 



An obscure or doubtful species. 



d. FoliicolcB. 



Perithecia sub-cuticular, innate ; ostiola elongated ; epiphyl- 

 \o\is=Gnomonia, De Not. 



2735. Sphaeria fimbriata. Pers. " Fringed-leaf Spheeria." 



Spermogoxia. — Spermatia very minute, ovate, simple. 



Pycnidia. — Stylospores filiform, curved, simple. — Glceosporium 

 carpini, Desm. Ann. Sc. Nat. 1853, xK.p. 214. Fckl. exs. no. 202. 



AscoPHORE. — Covered ; perithecia crowded, running together 

 into a black tubercle ; ostiola erumpent, spinulose, surrounded 

 at the base with a white fringe-like collar ; sporidia colourless, 

 curved, simple. — Pers. S?/n.p.S6. Moug.exs.no. 277. Eng. Fi. 

 v.p.257. Fr. S.MAi.p.^^Q. Fries exs. no. 24.2. Batsch.f, 182. 

 Hoffm. V.C. t. i.f. i. Berk. exs. no. 36. 3Iamiania Jimbriata, De 

 Not. Schema, p. 57. Gnomonia fimbriata, Fckl. exs. no. 882. Cooke 

 exs. no. 163. Cooke L.F. no. 89. 



On leaves of hornbeam. Common. 



