304 



Asci sublanceolate. Sporidia oblong, simple, colorless, H fi long. 

 On dead stems of herbs, G-reenbush, N. Y. (Peck). 



P. Cnpressi, (B. & C. 



SphiF-ria Cupressi, B. & C. Grev, IV, p. 148. 

 Physalospora, Cupressi, Sacc. Syll. 1679, Cke. Syn. 4091. 



Perithecia covered by the cuticle, but prominent, with a distinct 

 ostiolum. Asci clavate, p. sp. 75 x 20 [i. Sporidia inordinate, inequi- 

 laterally elliptical, hyaline, 20-23 x 10 [i. 



On limbs of CupresHus thyoides, Carolina (Ravenel). 



The measurements of asci and sporidia are taken from a spec. com. 

 by Farlow from Herb. Curtis. 



P. ceanothina, (Pk.) 



Sphceria ceanothina^ Pk. 29th Rep. p. 62. 



Pky$alospora ceanothina, Sacc. Syll, 1692, Cke. Syn. 4093. 



Perithecia scattered or rarely two or three crowded together, 

 smooth, subglobose. Ostiola piercing the epidermis, somewhat rugged, 

 often curved or deformed. Sporidia crowded or biseriate, oblong, 

 obtuse, sometimes curved, hyaline, 12-15 fi long. 



On dead stems of Geanothus Americanus, New York. 



P. Ludwigise, (Cke.) 



SphtEria LudwigicE, Cke. Hedw. 1868, p. 39. 

 Physalospora Ludmigies, Sacc. Syll. 1720. 

 Phomatospora LudwigitE, Cke. Syn. 4357. 



Gregarious. Perithecia covered by the blackened and raised 

 epidermis. Asci clavate. Sporidia biseriate, elliptical or pyriform, 

 hyaline, continuous, 25 x 10 //. 



On stems of Ludwigia, So. Carolina. 



P. aurantia, E, & E. in Ell. & Bvrht's N. A. F. 2d Ser. 2355. 



(Plate 27) 



Perithecia scattered, buried in the parenchyma of the leaf, sub- 

 oblong, 175-200x130-150 fi, of a fine orange color, which is readily 

 seen in a section of the leaf, the surface of which is uniformly black- 

 ened and slightly pustulate from the scarcely erumpent ostiola. Asci 

 clavate-cyKndrical, 100-110x12-15 fi, with paraphyses. Sporidia 

 uniseriate, oblong-elliptical, granular, hyaline, continuous, 12-22 x 

 8-9//. 



On dead leaves of Astragalus pectinatus, Sand Coulee, Montana 

 (Anderson). 



