100 



ruptured margin of \vliidi it is closely embraced. Perithecia cespi- 

 tose. nearly Maek. smooth and irhibmus, small, mostly less than 165 IJL, 

 conical, becoming ovate or obovate, and linally collapsing above. 

 Ostiolum obtuse-conical, black and sliining, rather l;ir-e. Asci sub- 

 cylindrical y 45-55 x 7 //, with abundant, imperfectly developed parapli- 

 vses. Sporidia subbiseriate, oblong-elliptical, lower cell sometimes a 

 little narrower, uniseptate, hyaline, 10-1 2 x4| /jt. 



On dead stems of Staphiflea t ft folia, Bethlehem, Pa. (Schweinitz), 

 West Chester, Pa. (Everhart). 



The foregoing description is from specimens distributed in N. A. 

 F. 1547, which agree with specimens in Herb. Schw. The groups oi 

 perithecia are often arranged in a snbseriate manner, about 1 mm. 

 diam. and, with the stroma to which they are attached, are finally 

 deciduous. 



N. nigrescens, Cke. Grev. VII, p. 50. 



' Cespitose, red, at length turning black, glabrous. Ostiolum 

 papilliform. Asci cylindrical. Sporidia elongated-elliptical, unisep- 

 tate, 18x6 jut* Stylospores on the same stroma, some ovate, brown, 

 5x3 ft, others linear, 6x2 jj., hyaline." 



On Gleditsckia, Aiken, So. Carolina (Ravenel). 



N. ctircurbitula, (Tode). 



Sphczvia curcurbitula, Tode Fung. Meckl. II, p. 38 (partly). 

 Xectria curcurbitula, Fr. Sunim. Veg. Sc. p. 338. 

 F^xsicc. Kuuze F. Sel. 105. Sydow. M. March. 472. Rehm Asc. 781. 



Perithecia ovate-globose, smooth, dark red, with a distinct, papilli- 

 form ostiolum, not collapsing, scattered or oftener cespitose on a de- 

 pressed tuberculiform stroma. Asci cylindrical, 90-100x6-7 //, with- 

 out paraphyses, 8-sporecl. Sporidia monostichous, biconic-elliptical, 

 uniseptate, hyaline, 14-16 x 5-6^ p.. 



The only American specimen we have seen was on bark of Abies. 

 Itdlsamea, collected by Mr. Peck at North Elba, N. Y., and sent to us 

 as N. baha a int. C. & P. It agrees with the characters above given 

 and with the specimens in the Exsiccati above quoted. We have not 

 -een the spermogonia mentioned by Saccardo in Syll. II. p. 484. 



X. rhizogena, Cke. Grev. XI, p. 108. 



" Cespitose, erumpent, stromatic, orange-red, at length scarlet. 

 Perithecia subglobose, glabrous, scarcely papillate, breaking out in 

 small groups of 10-12 together. Asci cylindrical. Sporidia narrowly 

 elliptical, uniseptate, hyaline, 8-9 x 3 t a. The conidia are those of a 

 Tubercularia, with a rose-colored tint and 5x2 t u. 



