307 



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



Perithecia gregai'ious, covered by the blackened epidermis, glo- 

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

 biseriate, ftisoid-elongated, guttulate, 12x2 fi. 



On dry culms and sheath-s of Calamagrostis purpuruscen&, 

 Ikei'tok, Gi-eenland, 



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



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

 orbicular, flattened, 150-180 n 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, 

 ti'uncate apex. Paraphyses? Sporidia biseriate and closely packed, 

 granular, subhyaline, 14^16x6-7 fi. Ramularia Orontii, ^. & M.., 

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

 with this aa conidia and spermogonia. 



On dead spots in living leaves of Orontvum aquaticuon^ New- 

 field, N. J. 



P. uvjespora, (Cke.) 



Sphceria uvaspora, Cke. Tex. Pungi 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 ^. 



On flower stalk of Yucca, Texas. 



P. Pandkni, E. & E. Proc. Acad. Nat. Sci. Phil. July, r89U, p. 230. 



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

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

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

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

 rudimentary paraphyses. Sporidia uniseriate or biseriate, liyaline, 

 granular, oblong-elliptical, 18-20x7-8 (i. 



On leaf of PawcZawMS, in 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, 75-80 xl2-lB //, nearly 



