194 



(J. hvstricina, Cke. 



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

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



"Perithecia gregarious, semiimmersed, at length emergent and 

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

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

 16-18x6 pt. 



On bark of JFicus, Aiken, So. Carolina. 



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

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

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

 sporidia. 



. spina, (Schw.) 



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



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



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



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



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

 thing, Sphcerographium spina, (Schw.) 



(ERATOSTOMELLA, Sacc. 



Michelia I, p. 370. 



Characters the same as in Ceratostoma, only sporidia hyaline. 

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



Perithecia scattered, membranaceous, globose, 400 /j diam., barely 

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

 by the short-cylindrical, obtuse, 150 x 75 p ostiolum, with a rather large 

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

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

 yses none. Sporidia biseriate, oblong-cylindrical, scarcely curved, 

 faintly 2-nucleate, 6-8 x 1J p. 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. 



(J. nyssicola, (B. & (.) 



Sph&ria nysscecola, B. & C. Grev. IV, p. 143. 

 Ceratostontella nysscecola, Sacc. Syll. 1564. 



Perithecia semiimmersed, subglobose, with an abrupt and at length 

 elongated neck. Sporidia elliptical or shortly cyinbiform, 7-8 p \o\\\ 

 On Nyssa in Pennsylvania. 





