SPH^RIACEI. 907 



E. Sporidia simple, or uniseptate, hyaline. 



2724. Sphaeria curvirostra. Soiv. "Curved-beak SpbaBria." 



Gregarious ; perithecia covered, ovate, black ; ostiola erum- 

 pent, equal, sraooth, oblique. — Soiv. t. 373,/. 5. F?\ S.M. ii.p. 

 507. 



On stems of Umhelliferce. 



** This is very minute, its spherulae are imbedded in the plant on which 

 they grow. The mouth is in length nearly twice the diameter of the spherule, 

 standing obliquely." — Sovcerhy. 



2725. Sphaeria rostellata. Fr. •' Clustered-beak Spbaeria." 



Gregarious, black ; perithecia covered, subrotund, at length 

 depressed above ; ostiola erumpent, cylindrical, or slightly atten- 

 uated ; asci oblong ; sporidia biseriate, oblong, curved, with four 

 nuclei, hyaline. — Fr. S.M. ii. p. 476. Fr. Obs. i. t. 3, f. 3. Eng. 

 Fl.v.p. 2&7. FcJd.exs.no. 920. Diaporthe rostellata, Nke.Pyr. 

 Germ. p. 298. Fckl. Sym. Myc.p. 208. 



On branches of rose and bramble. 



Minute, growing beneath the epidermis, and having much the habit of .S'. 

 acuta (coiuforniis). 



2726. Sphaezia cruciferarum. Desm. " Crucifer Sphaeria.'' 



Scattered ; perithecia innate, hemispherical, turgid, even, black, 

 shining; ostiola simple, pierced ; asci shortly clavate; sporidia 

 clustered, long-elliptic, unisejjtate, hyaline. — Fr. S.M. ii. p. 525. 

 Desm. exs. no. 985. Berk. Ann. N.H. no. 191. 



On Erysimum officinale. 



2727. Sphaeria superfiua. Awd. " Clouded Sphagria." 



Spermogonia. — Perithecia half the size of the ascophores ; 

 spermatia very numerous, cylindrical, curved, minute. 



AscoPHORE. — Perithecia black, covered by the epidermis; 

 subglobose, pierced, scattered, very numerous ; asci fasciculate, 

 oblong, curved ; sporidia biseriate, oblong, uniseptate, hyaline. — 

 Fckl. exs. no. 884. Sphcerella superjlua, Fckl. Sym. Myc.p. 102. 

 Sphceria nebnlosa, Schm. ^ Kze. exs. no. 54 ? 



On nettle stems. Shere. (Dr. Capron.) 



2728. Sphaeria nigrella. Ir. " Spotted Angelica Sphaeria." 



Perithecia subglobose, even, umbilicate, perforated, black, 

 nestling in determinate elongated black spots ; sporidia biseriate, 



2q 2 



