307 



P. leptosperma, Rostr. Fungi Groenl. p. 548. 



Perithecia gregarious, covered by the blackened epidermis, glo- 

 bose. Asci fasciculate, parapliysate, cylindrical, 8-spored. Sporidia 

 biseriate, fusoid-elongated, guttulate, 12x2 p. 



On dry culms and sheaths of Calamagrostis purpuruscens, 

 Ikertok, Greenland, 



P. Orontii, E. & E. Journ. Mycol. I, p. 150. 



Spots elongated, dead and dry, 3-4 x 1 cm. Perithecia erumpent, 

 orbicular, flattened, 150-180// diam., pierced in the center with a 

 small, round opening, texture membranaceous. Asci oblong-cylin- 

 drical, with an acute, sessile base and rather abruptly narrowed, 

 truncate apex. Paraphyses? Sporidia biseriate and closely packed, 

 granular, subhyaline, 14-16x6-7 yt. Ramularia Orontii, E. & M n 

 and Phyllosticta Orontii, E. & M., are not improbably connected 

 with this as conidia and spermogonia. 



On dead spots in living leaves of Orontwm aquatdcum. New- 

 field, N. J. 



P. uvaespora, (Cke.) 



Sphatria uvtespora, Cke. Tex. Fungi No. 144. 

 Physalospora uvispora, Sacc. Syll. 1689. 



Gregarious, covered by the cuticle. Perithecia almost globose, 

 rather small and not numerous, brown, pierced at the apex. Asci 

 clavate. Sporidia shortly clavate, simple, hyaline, in form resembling 

 grape stones, 12-15x5 p. 



On flower stalk of Yucca, Texas. 



P. Paiidani, E. & E. Proc. Acad. Nat. Sci. Phil. July, 1 890, p. 230. 



Perithecia amphigenous, on large, dull white spots with a purplish- 

 red border, covered by the epidermis, subglobose, 150-200 fi diam., 

 membranaceous, of coarse, cellular structure, the apex and papilliform 

 ostiolum erumpent. Asci cylindrical, about 200x10 //, with faint, 

 rudimentary paraphyses. Sporidia uniseriate or biseriate, hyaline, 

 granular, oblong-elliptical, 18-20 x 7-8 p. 



On leaf of Pandanus,'m a greenhouse, Knoxville, Tenn. (Scribner). 



P. zeicola, E. & E. 1. c p. 229. 



Perithecia gregarious, minute (\-\ mm.), covered by the cuticle 

 which is slightly raised and pierced by the obtusely conical, black and 

 shining ostiola. Asci clavate-cylindrical, 75-80x12-15 p, nearly 



