194 



('. hystricina, Cke. 



Ceratostoma hystyicina, Cke. Grev. XI, p. 199. 

 CeratostomeUa hystricina, Sacc. Syll. 5995, Cke. Syn. 3766. 



•'Perithecia gj-egarious, semiimmersed, at length emergent and 

 suhsuperficial, dark brown, tomentose, beaked. Ostiola cylindrical, 

 suliflexuous. Asci cylindrical. Sporidia elliptic-lanceolate, hyaline, 

 16-18x6 jK. 



On bark of Ficus, Aiken, So. Carolina. 



The specimens distributed under this name in Rav. F. Am. 674, 

 and Eir. & Evrht. N. A. F., 2d Ser., 2349, do not agree at all with the 

 aliove quoted description, being a species of Valsa, with minute 

 sporidia. 



0. spina, (Schw.) 



SphtEria spina, Schw. Syn. Car. No. 154. 



Ceratostoma spina, Schw. in Cooke's Synopsis, 3818. 



Sphcsronema Fraxini, Pk.. in 29th Rep. p. 71, and in Ell. N. A. F. 737. 



SplieerographiunL Fraxini. Sacc. Syll. Ill, p. 598. 



According to specimens in Herb. Schw., these are all the same 

 thing, Sphcerographinm spina, (Schw.) 



(ERAT0ST0MELL4, Sacc. 



Michelia I, p. 370. 



Cliaracters the same as in Ceratostoma, only sporidia hyaline. 

 C. Mali, E. & E. Proc. Phil. Acad. 1. c. 



Perithecia scattered, membranaceous, globose, 400 fi diam., liarely 

 covered by the bark which is slightly raised above them and pierced 

 bj- the short-cylindrical, ol)tusc, 150 x 75 // ostiolum, with a rather large 

 i-ound opening at its apex. Asci clavate, subtruncate above and nar- 

 rowed gradually to the acute base, about 40 x 5 //, 8-spored. Paraph- 

 }ses none. Sporidia biseriate, oblong-cylindrical, scarcely curved, 

 faintl\- 2-nucleate, 6-8 x 1 1 /^. Differs from C. dispersa, Karst. in its 

 rather smaller, straight, bald ostiolum. 



On the inner surface of loose, hanging bark of partly dead apple 

 trees, Newfield, N. J. 



0. nysswcola, (B. & C.) 



Sphc^t ia vysscecola, B. & C. Grev. IV, p. 143. 

 CeratostomeUa nysscecola, Sacc. Syll. 1564. 



Perithecia semiimraeised, subglobose, with an abrupt and at length 

 elongated neck. Sporidia elliptical or shortly cymbiform, 7-8 // long. 

 On Nyssa in Pennsyi\ania. 



