330 



drical, 75x10 jul, paraphysate. Sporidia uniscriate, oblique, often 

 lying crosswise in the asei, oblong-elliptical, brown, obtuse, constricted 

 and uniseptate in the middle, 10-12x4-4| /x (13 x 6 /x, Cke.). 



On palm leaves, California. 



Some of the perithecia are filled with curved, hyaline, 12x1.}- 

 1 \ /x sporules (Phlyctcena). 



The diagnosis is from specc, sent by Dr. Harkness. 



D. Parnassias (Pk.) 



Sphceria Parnassice, Pk. 27th Rep. N. Y. State Mus. p, in. 

 Didymosphceria Parnassice, Sace. Syll. 2647. 

 Didymosphcerella Parnassice, Cke. Syn. 4657. 



Perithecia scattered, convex or subhemispherical, prominent, 

 pierced above, black. Asci cylindrical. Sporidia long, narrow, uni- 

 septate, generally constricted at the septum, often slightly curved, 

 colored, 30-33 /x long, with 1-2 nuclei in each cell. 



On dead stems of Parnassia Carolii 



Spheeria 



Ihdvnw 

 LCxsiec ' 



D. grumata, (Cj 



w 



the blackened and swollen 

 mm. dinni.. obtusely papillate, black. 

 2-15 n., with branching paraphyses, 8-spore4. 

 Sporidia subbist-j late, clavate-oblong, uniseptate, hyaline, at length be- 

 coming pale brown and constricted, 21 x 8 /x, at first with a gelatinous 

 envelope. 



On living stems of Andromeda ligustrina, Newfield, N. J. 



D. accedens, Sacc. Proc. Rochester Acad. March, 1890, p. 48. 



Perithecia gregarious, covered, \-\ mm. diam., nucleus at first 

 white. Ostiolum papilliform, erumpent. Asci clavate-cylindrical, 

 120 x 10 /i, paraphysate. Sporidia uniseriate, 6-8 in an ascus, ellip- 

 tical, rounded at the ends, uniseptate and slightly constricted, dark 

 brown, 20-22 x 9-11 ft. Allied to D. Rhamni and D. incerta, but 

 with a different ostiolum and asci. 



On bark of Fraxinus, Lyndonville, N. Y. (Fairman). 



D. Andropogonis, Ell. & Lang. Proc. Acad. Nat. Sci. Phil., July, 

 1890, p. 235. 



Stroma consisting of the nearly unchanged substance of the culm 

 which is there whiter than the surrounding parts, 3-4 cm. long, 1 cm. 



