356 



Perithecia scattered or gregarious, at first buried, finally fret* 

 and superficial, hemispherical, generally surrounded by several con- 

 centric furrows, about 400 /i diam. with a papillifonn, black, shining, 

 perforated ostiolum. Asci cylindrical, 8-spored, 100-120 x 5J 7 fx. 

 Sporidia nniseriate or partly biseriate, fusiform, straight or slightly 

 curved, subinequilateral, 3-septate and slightly constricted at the sept;i T 

 yellow-brown, 20-30 x 4| ii. Paraphyses filiform, branching. 



On dead herbaceous stems, *Aster, solidago, &c, &c, common. 



L. siibconica, (. & P.) 



Sphczria subconica, C. & P. 29th Rep. N. Y. State Mus. p. 65. 

 Leptosphceria subconica, Saec. Syll. 2898, 

 Heptameria subconica, Cke. Syn. 4699. 

 Exsicc. EH. M. A. F. 697. 



Perithecia conoid, flattened at the base, somewhat collapsed when 

 dry, black, seated beneath the epidermis, which is at length thrown 

 off. Asci cylindrical, sessile, paraphysate, 75-80 x 6-8 p.. Sporidia 

 overlapping-uniseriate, broad-fusoid, subinequilateral, 3-septate and 

 sometimes slightly constricted at the septa, 20-25 x 5-7 fi. 



On dead herbaceous steins, common. 



It is doubtful wdtether this should be separated from L. Dolioium. 



L. viridella, (Pk.) 



Sphceria viridella, Pk. 30th Rep. p. 66. 

 Leptosphceria viridella, "Saec. Syll. 2910. 

 Heptameria viridella, Cke. Syn. 4714, 



Perithecia small, gregarious, seated on a greenish spot, covered 

 by the epidermis which is ruptured by the minute ostiola. Asci cylin- 

 drical. Sporidia oblong-fusiform, sometimes curved, 3-septate, green- 

 ish, 25 ft long, the third cell from the base swollen. 



On dead stems of melilot, Bethlehem, N. Y. 



The marked feature of the species is the gTeenish color of the spot 

 and of the sporidia. The latter resemble those of L. subconica, ex- 

 except in color. 



L. consessa, (C. & E.) 



Sphceria consessa, C. & E. Grev. VI, p. 95. 

 leptosphceria consessa, Saec. Syll. 2906. 

 Heptameria consessa, Cke. Syn. 4709. 



Perithecia globose, black, shining, papillate, at first covered by 

 the epidermis, at length bare. Asci cylindrical, 75 x 7 it, paraphysate. 

 Sporidia biseriate, narrow-lanceolate, brown, 3-septate, 18-20 x 3-4 ( u. 

 (20-22x5 /i, Cke.). 



On dead stems of Ilelianthustuberosus, Newfield, N. J. 



