378 



filiform ostiola. Asci clavate-cylindrical. Sporidia biseriate, fusiform, 

 7-septate, bright brown, at first nucleate. 



On husks of Zea Mays, Gainsville, Fla. 



No measurements are given. 



L. zizanijecola, (B. & C.) 



Sphceria zizanicecola, B. & C. Grev. IV, p. 145. 

 Sphceria rimosa, Schw. (Herb.) 

 Leptosphceria zizanicecola, Sacc. Syll. 3175. 

 Heptameria zizanicecola, Cke. Syn. 4969. 



Forming little swollen patches, slightly discoloring the cuticle. 

 Asci elliptical, containing four linear, straight or sigmoid, 5-6-septate 

 sporidia 33-50 p. long. 



On Zizania, (Carolina)? 



The perithecia are entirely buried. We have seen no authentic 

 specimens. 



L. culmifraga, (Fr.) 



Sphceria culmifraga, Fr. S. M. II, p. 510. 

 Leptosphceria culmifraga, Ces. & De Not. Schema, p. 61. 

 Heospor a culmifraga, Fckl. Symb. p. 137. 

 Fxsicc. Fckl. F. Rh. 2245 Rehm Asc. 195, 700, 784, 785. Rab. F. F- 1552.-1^111. Fungi, 

 Hung. 74, 366. M. March. 2354, 3034. 



Perithecia scattered or seriate, at first covered, afterwards erum- 

 pent through cracks in the epidermis, subcompressed, mostly elliptical, 

 sometimes spherical, with a short-conical ostiolum, black, glabrous or 

 with a few brown, mycelial threads around the base, 300-400 x 200- 

 250 p. Asci clavate, 8-spored, 80-100 p long, 12-14 p broad, par- 

 aphysate. Sporidia 2-3-seriate above, fusoid-elongated, mostly curved, 

 7-9-septate, the third cell generally a little swollen, slightly constricted 

 at the septa, yellow, 35-46 x 5-7 p. - 



On Pavicum, New England (Berk, in Grev.), on culms of Phlewn 

 pratense, New Jersey, on stems of grass, New York (Peck), and on 

 Panicum Curtisii (culms), Louisiana (Langlois). 



C. On cryptogamous plants. 



L. Marcyensis, (Pk.) 



Sphceria Marcyensis, Pk. 31st Rep. p. 51. 

 Leptosphceria Marcyensis, Sacc. Syll. 3143. 

 Heptameria Marcyensis, Cke. Syn. 4930. 



Perithecia minute, punctiform, covered by the epidermis, whicl 

 is ruptured by the distinct, slightly prominent, blunt ostiola. Asc 

 oblong-cylindrical, sessile. Sporidia crowded, subfusiform, blunt, 

 slightly colored, 3-septate, 25-28 x 7| /i, the cells generally nucleate. 



