886 SPH^RIACEI. 



2657. Sphaeria salicella. Fr. •' Minute-willow Sphgeria," 



CoNiDiA. — Conidia oblong, straic^ht or curved, obtuse, hyaline 

 uniseptate. — Disrella carbonacea, B. ^- Br. no. 426. Fhacidium, 

 Fckl exs. iwAlOO. 



AscoPHOp.E. — Covered; perithecia distinct, minute, seated be- 

 neath elongated pale patches of th.e epidermis ; ostiola cylindri- 

 cal, erumpent ; sporidia biseriate, colourless, uniseptate, ellip- 

 tical, ofton constricted. — Fr. S.M. \\.p. 377. Fries, exs. no. 188. 

 Enri. Fl.v.p. 278. FcJd. exs. no. 800. iJiaporthe salicis, Nke. 

 Fckl. exs. no. 1987. Cniptospora salicella, Fckl. Sijm. Myc.p. 

 193. S. "^rrlicina, Ciirr. Linn. Titans, xxii. t. 48,/. 149. 



On willow branches. Common. [U^d. Carolina.] 



Spori.lia (-0009 in.) '022 m.m. long. 



2658. Spheeria ocellata. Fr. *' Eyelet Sphseria." 



Scattered ; perithecia immersed, globose, per.-istent, black ; 

 ostiola solitary, umbilicate, exserted from a truncate white disc ; 

 sporidia colourless, slightly curved, rounded or acute at the ends. 

 — Fr. S.M. ii. p. 480. Eng. Fl. v. p. 268. Curr. Linn.Trans. xxii. 

 t. 58,/. 86. *S'. hrevis. Sow. t. 394,/ 4. Halonia ocellata^ Fr. S.V. 

 S. p. 397. Cryptosphceria ocellata, De Not. Schema 2^. 57. 



On branches of ash, willow, &c. 



Externally it at first sight resembles the state of Stktis radiafa with an en- 

 tire border, on a more minute investigation it might be taken for Valsa nivea 

 or V. leucostoma, but the perithecia are solitary without any conceptaculum. 

 —M.J.B. Sporidia (-0004 in.) "01 m.m. long. 



2659. Sphaeria farcta. B. d: Br. " Stuffed Sphseria." 



Covered, scattered ; perithecia solitary, globose, at length col- 

 lapsed ; neck short ; ostiolum obtuse, at length perforating the 

 cuticle ; asci clavate, obtuse ; sporidia oblong, rather obtuse at 

 either end, 3-4 nucleate. — B. ^ Br. Ann, N.H. no. 631,^. 10,/ 

 15. 



On dead elm twigs. Jan. Batheaston. 



Scattered, scarcely conspicuous externally except from the slight projec- 

 tion over each perithecium, which is at length perforated by the obtuse os- 

 tiolum, Perithecia globose, collapsing when dry; neck short; asci clavate, 

 eubcylindrical, obtuse, filled with numerous oblong-linear sporidia, which 

 are slightly obtuse at either end, and contain three or more globose nuclei. 

 Resembles externally V. hypodermia, but the perithecia are solitary and the 

 fruit different.—^, cfc Br. 



