WEST VIRGINIA GI'OLOGICAL SURVEY 75 



M. BicoLOR Nees. 



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



THYRSIDIUM Mont. 



T. HEDERICOLUM CaRPINI SaCC. 



On dead shoots Carpinus Caroliniana, May 2, 1894 {Nutt- 

 all, i486). 



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 /*. 

 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 /x. Setae 5 to 12 /^ long. 

 P. funerea Desm. 



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

 6 to 7.5 fi. {Nuttall, 1862, 750). 

 P. GuEPiNi Desm. 



On leaves Rhododendron maximmn, R. Cataivbiense and 

 Azalia viscosa. Spores 18 to 20 x 8 (i, Aug. 2, 1894 {Nutt 

 all, 1 149). 

 P. Jefferisii Ell? 



On Opulaster opidif alius, sporules 10 to i5x4to5 and 

 25 X 5 /i. 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 /t, 3 



