377 



broils, black. 200-250 // diam., with a short, thick, nipple-like ostiolum. 

 Asci clavate-cylindrical, 75-80x16-18/7., with abundant paraphysrs. 

 Sporidia crowded-biseriate, overlapping each other, oblong-fusoid, sub- 

 obtuse, 6-septate, and not at all or finally slightly constricted at the 

 -cpta, about 22 x 7 //, straight or nearly so. 



On dead culms ofSporobolus depauperatus } Montana (Anderson). 



Differs from L. culmifraga in its more scattered mode of growth 

 and quite constantly only 6-septate sporidia. and from L. culm/cola in 

 its superficial growth and broader sporidia without any protuberant 

 cell, 



L. scapophila. (Pk.) 



Sphcsria scapophila, Pk. 3oth Rep. p. 66. 

 Leptosphceria scapophila, Sacc. Syll. 3007. 

 scapophila, Cke. Syn. 4811. 



Perithcria minute, subglobose, scattered, covered by the epider- 

 mis which is ruptured by the minute, perforated ostiola. Asci cylin- 

 drical. Sporidia crowded or biseriate, subcylindrical, yellowish, 25- 

 oO fj. long. 7-scjtate, one apical and three basal cells longer than the 

 others. 



On dead scapes of Sarracenia piirpurea, Adirondack Mts., N. Y. 

 (Peck). Minnesota (McMillan). 



L. Beaumontii, (B. & C.) 



Sphcsria Beaumontii, B. & C. Grev. IV, p. 145. 

 Lcptosphteria Beaumontii, Sacc. Syll. 3179. 

 Heptameria Beaumontii, Cke. Sj-n. 4973. 



Forming little short, black lines, bursting through the cuticle. 

 Asci elongated, clavate. Sporidia linear, sometimes oblique, with 

 about ( .i septa and a nucleus in each joint, 50 p. long. 



On stalks of some grass, Alabama. 



L. ceratispora. (B. & C.) 



Sphczriaceratispora, B. & C. Grev. IV, p. 150. 

 Leptosphczria ceratispora, Sacc. Syll. 3178. 

 Heptameria ceratispora, Cke. Syn. 4972. 



Perithecia gregarious, conical. Sporidia long, curved, acuminate 

 at both ends, with 12 or more septa, projecting at the septa like the 

 horns of some antelope. 



On some thick, herbaceous stem, possibly Zea, South Carolina. 



L. interspersa, (Cke.) 



Splicer ia inf, rspersa, Cke. Grev. VI, p. 146. 

 Leptosph&ria interspersa, Sacc. Syll. 3134. 



Scattered. Perithecia globose, subprominent, brown, with pap- 



48 



