303 



Perithecia scattered, covered by the epidermis which is white in 

 the center and finally rimosely ruptured, subprominent, epiphyllous, 

 globose or globose-conoid, I mm. diam. Asci cylindrical, rounded 

 above, attenuated below into a narrow stipe-like base, 80 x 12 /x, 

 8-spored. Sporidia biseriate, boat-shaped, rounded at the ends, 14 x 

 5 fi, hyaline. 



On fallen leaves of TZeaj opaca, So. Carolina and New Jersey. 



P. philoprina, (B. & C.) 



Sphcsria philoprina^ B. & C. Grev. IV, p. 154. 

 Ltzstadia philoprina, Cke.Syn. 5283. 

 Physalospora philoprina, Sacc. Syll. 1685. 



Perithecia shining-black, white in the center from the cuticle. 

 Asci oblong. Sporidia biseriate, hyaline, cymbseform. 

 On leaves of Ilex, North Corolina. 

 Doubtfully distinct from the preceding species. 



P. rhodina, B. & C. in Curt. Cat. p. 148, Grev. XVII, p. 92. 



Perithecia gregarious, covered, subglobose, vei-y small, black, 

 with erumpent ostiola. Asci clavate, 8-spored. Sporidia sublanceo- 

 late, continuous, hyaline, 30-35 x 10 fi. 



On branches of Rosa ruhiginosa, Carolina. 



P. Gerauii, Cke. & Hark. Grev. XIV, p. 9. 



Perithecia densely gregarious, convex, black, covered by the 

 epidermis, at length erumpent. Asci clavate, ample, 8-spored. Spo- 

 ridia biseriate, elliptical, continuous, granular, hyaline, 25-28 x 10 /4. 



On stems of OeTanium, California. 



P. gelsemikta, (Cke.) 



Spharia gelsemiata, Cke. Grev. VI, p. 145. 

 Physalospora, gelsemiata, Cke. Syn. 4092, Sacc. Syll. 1680. 



Covered, scattered or subgregarious. Perithecia subglobose, sub- 

 prominent. Ostiola papillate. Asci clavate. Sporidia short-lanceo- 

 late, hyaline, 30-35 x 10-12 /z. 



On twigs of Gelsemiuni, Aiken, So. Carolina. 



P. minutella, (Pk.) 



Sphceria minutella, Pk, 29th Rep. p. 62. 

 Physalospora minutella, Sacc. Syll. 16S6. 

 Phomatospora minutella, Cke. Syn. 4347. 



Perithecia minute, somewhat flattened, black, the upper part at 

 length breaking away and leaving the base attached to the matrix. 



