98. THE WEST VIRGINIA FLORA 



Perithecia gregarious, covered by the pustuliform epider- 

 mis, about .25 mm. diameter, white inside, depressed-globose, 

 the papilliform ostiolum barely penetrating the epidermis. 

 Asci clavate-cylindrical, short-stipitate, 85 to 90 x 10 to 12 

 fji, paraphysate, 8-spored. Sporidia biseriate, fusoid, 4- 

 nucleate, uniseptate, constricted at the septum, hyaline, 19 

 to 22 x 4 to 5 /A, mostly a little curved. 



MELANCONIS Tul. 



M. MODONIA Tul. 



On Castanea dent at a, Nov. 14, 1893 (Nuttall, 1274, 221). 

 M. TILIACEA (Ell.) E. & E. 



On bark of Tilia, in company with Diplodia paraphysata 

 E. & E., Fayette, near Nuttallburg (Nuttall). Monongalia, 

 at Morgantown (Sheldon). 



HERCOSPORA Tul. 

 H. TILIAE (Fr.) Tul. 



On Tilia heterophylla, Feb. 16, 1894. Spores 18 x 7.5 ju 

 (Nuttall, 1834, 346). 



DIAPORTHE Nits. 

 D. GLADIOLI E. & E.? 



On Caulophyllum thalictroides, July 8, 1894. Asci 38 x 5 

 to 7 fji, spores septate, 4 nucleate, about 10 x 3 /x (Nuttall, 



1603, 553)- 

 D. ARALIAE E. & E., Proc. Phila. Acad., 339 (1894). 



TYPE HABITAT : On Aralia spinosa, Feb. 2, 1894 (Nuttall , 

 discov. 1356, 312). 



Stroma buried in the wood and circumscribed by a pene- 

 trating, black line, elliptical, about 5x4 mm. Perithecia 

 buried in the stroma, few (6 to 10) globose, .5 to .75 mm. 

 diameter, their short-cylindrical ostiola projecting from a 

 black, tubercular disk seated on the surface of the wood and 

 perforating the pustuli form-elevated epidermis, but scarcely 

 rising above it. Asci clavate-cylindrical, 40 to 45 x 5 to 6 ;u, 

 paraphysate, 8-spored. Sporidia biseriate, oblong, 4-nucleate, 

 becoming uniseptate and slightly constricted, hyaline, obtuse, 

 12 10^13 x 2.5 to 3 /x. 



Allied to and resembling D. ocularia C. & E. 

 D. (CHOROSTATE) HALESIAE E. & E., Proc. Phila. Acad., 339 



(1894). 



TYPE HABITAT : On dead limbs of Mohrodendron Caro 

 linum, May, 1894 (Nuttall, discov. 1541). 



Perithecia 4 to 8, loosely circinate. .75 mm. horn-color 

 inside, becoming nearly black, sunk in the wood, necks con- 

 verging with their obtuse, smooth, hemispherical ostiola 



