WEST VIRGINIA GEOLOGICAL SURVEY 97 



B. QuERCuuM var. 



On cultivated Ritbus, Feb. 25, 1895 (Nuttall, 1794, 685). 

 B. Araliae Curtis. 



On Aralia spiiiosa, Feb. 24, 1894. Spores 20 to 30 x 8 

 to 10 /x {Nuttall, 1395). 

 B. pyriospora (Ellis) Sacc. 



On Chionanthus Virginica, March 28, 1894. Asci, fertile 

 portion, 75 x 15 fi (Nuttall, 1438). 



B. HiBisci forma. 



On Cclastrus scandens, April 2y, 1895 (Nuttall, 1819, 

 707). Spores 26 to 35 X 6 to 7.5 /x. 



CRYPTOSPORELLA Sacc. 



C. COMPTA (Tul.) Sacc. 



On dead limbs of Fagns atropiinicca, Nov. 17, 1893. Asci, 

 fertile portion, 100 x 12.5 to 15 fx, spores granular 22 x 10 ju 

 (Nuttall, 1256). 



SPHAERELLA Ces. & DeNot. 

 S. maculiformis (Pers.) Awd. 



On leaves of Castanea dcntata on ground, Dec. 13, 1893 

 (Nuttall, 1 3 14). 

 S. iNFUSCANS E. & E., Bull. Torr. Club, 25:504 (1898). 



Perithecia gregarious, minute, covered by the thin epider- 

 mis which is raised into minute pustules and blackened con- 

 tinuously for one or more cm. in extent ; ostiolum conic- 

 papilliform, erumpent, asci oblong-cylindrical, 35 to 45 x 

 7 to 8 ^, sporidia biseriate, fusoid, slightly curved, hyaline, 

 nucleate, becoming faintly uniseptate, but scarcely con- 

 stricted. 



Differs from the description and figures of S. pctioUcola 

 (Desm.) in its longer fusoid sporidia. 



On old petioles of Liriodcndron tulipifera, Nuttallburg, 

 May, i8q8 (Nuttall, 937). 

 S. coNicoLA Sacc. 



On dead cones of Tsuga Canadensis, Dec. 16, 1893. Spores 

 10 X 3 /* (Nuttall, 1311). 

 S. Gaultheriae C. & P. 



On Gaidtheria procunihens, June 8, 1894 (Nuttall, 1534). 



S. NYSSAECOLA Cooke ? 



On Nysa aqnatica, Oct. 10, 1894 (immature) (Nuttall, 

 1719,607). 



DIDYMELLA Sacc. 



D. Pkysocarpi E. & E., Proc. Phila. Acad., 1894. 335. 



Type habitat : On Opnlaster opulifolius, ]\Iay 12, 1894 

 (Nuttall, 1507. 488). 



