910 SPHiERIACEI. 



2736. Sphaeria coryli. Batseh. " Hazel -leaf Sphagria." 



Spermogonia. — Pcritliccia sciitiform ; speniiatia curved, or 

 vermicular, linear hyaline. — Leptoihyrium coryli^ Fckl. exs. no. 

 1716. 



AscopiiORE. — Covered; peritbecia distinct, disposed in a circle; 

 ostiola crum2>ent, spinulose, surrounded with a white, fringe- 

 Ike collar; sporidia colourless, simple, ovate, attenuated at 

 each extremity. — Batseh. f. 231. Fr. S.jlf. ii. 436. Fries, exs. no. 

 201. ^fo/ff. exs. no. 877. Grev. t. 330. Eng.Fl. Y.p. 267. Fckl. 

 exs. 710. 881. Mamiania coryli, De Not. Schema, p. hi . Gnomonia 

 coryli, Fell. Sym. Myc.p. 120. 



On living leaves of hazel. 



Eeseipbling S. fimhriat a, hni QdiSily distinguished by the distinct perithecia, 

 which are generally disposed in a circle. 



2737. Sphaszia avellanae. ScTim. " Scattered hazel 



8i)ha3ria." 



Scattered, subhemispherical, black, covered with divergent, 

 radiating, greyish-brown hairs ; ostiola pai:»il]£elorm, shining- 

 black ; asci clavato-cylindrical; sporidia ovate. — Schm. M.H. \,p. 

 64. Berk. exs. no. 182. Ann. N.H. no. 101. Fr. S.M. ii. p. 515. 



On dead hazel leaves. 



2738. Spheeiria tubaeformis. Tode. " Alder-leaf Fpbgeria." 



Ster'mogo^i A=Le2)tothy7^iu?n cylindrosp)ermuni.,Bon. Rabh. F. 

 E. no. 678. 



AscoPHORE. — Perithecia subglobose, covered, smooth; ostiolum 

 straight, beaked, nearly equal, earthy-tawny ; sporidia biseriate 

 or crowded, colourless, elliptical, or subcymbiform. — Todef. 128. 

 Moug. exs. no. 280. Fr. S.M . ii. p. 516. Fries exs. no. 26. Grev. 

 f. 335,/. i. E7ig. Fl.Y. p.211 . Curr. Li7in. Trans.xxii.t. b9,J. 

 140. Cejmtostoma tuh(jeforme,De Not. Schema, p 54. Gnomonia 

 tuhcBformis, Fckl. Sym, Myc. p. 120. Fckl. exs. no. 866. 



On dead leaves (alder, &c.) [Mid. Carolina.] 



Sporidia ('OOOo in.) '0127 m.m. long. 



2739. Sphsezia gnomon. Tode. " Common Beaked 



Spbgeria." 



Perithecia black, erumpent, often collapsed; ostiolum elon- 

 gated, clavate, straight, black; asci stipitate ; sporidia crowded, 

 narrowly fusiform, curved, with numerous nucleoli. — Todef. 125. 



