WEST VIRGINIA GEOLOGICAL SURVEY 



M. BICOLOR Nees. 



On Betula nigra, May 2, 1894 (Nuttall, 1489). 



THYRSIDIUM Mont. 



T. HEDERICOLUM CARPINI SaCC. 



On 1 dead shoots Carpinus Caroliniana, May 2, 1894 (Mutt- 

 all, 1486). 



MARSONIA Fisch. 

 M. JUGLANDIS (Lib.) Sacc. 



On Juglans cinerea, June 22, 1894 (Nuttall, 1560). 

 M. MARTINI Sacc. & Ell. 



On Quercus alba, velutina, et Prinus, Aug. 18, 1894 (Nutt- 

 all, 1674, 583). 



CORYNEUM Nees. 

 C. CUPULATUM E. & E., Proc. Phila. Acad., 1894, 374. 



TYPE HABITAT : On dead limbs Tsuga Canadensis, Short 

 Creek, Dec. 16, 1893 (Nuttall, discov. 1317, 272). 



Erumpent superficial. Acervuli tuberculiform, black, I to 

 1.5 mm. diameter, hollowed out so as to be cup-shaped above. 

 Conidia clavate, sessile, 6 to 9 septate, brown, 60 to 80 x 

 12 to 15 p. 



C. PUSTULATUM Peck. 



On dead limbs Castanea dentata, Dec. 7, 1893 (Nuttall, 



1383). 



PESTALOZZIA DeNot. 

 P. - - sp. 



On leaves Geum Canadense, Oct. 24, 1894 (Nuttall, 1734). 

 Sporules 20 x 6 /*. Setae 5 to 12 /* long. 

 P. FUNEREA Desm. 



On Ipomoea pandurata, Sept. 19, 1895. Spores 23 to 25 x 

 6 to 7.5 fji (Nuttall, 1862, 750). 

 P. GUEPINI Desm. 



On leaves Rhododendron maxwnmn, R. Catawbiense and 

 Azalia viscosa. Spores 18 to 20 x 8 /*, Aug. 2, 1894 (Nutf 

 all, 1149). 

 P. JEFFERISII Ell? 



On Opulaster opulifolius, sporules 10 to 15 x 4 to 5 and 

 25 x 5 n, May 7, 1894 (Nuttall, 1509). 

 P. TOXICA E. & E., Proc. Phila. Acad., 1894, 374. 



TYPE HABITAT : On leaves Rhus radicans, Aug. 18, 1894 

 (Nuttall, 1670, 567). 



Spots and perithecia as in Phyllosticta rhoicola E. & E. 

 Sporules clavate-oblong, 4-septate, 12 to 15 x 4 to 5 p, 3 



