WEST VIRGINIA GEOLOGICAL SURVEY 49 



SPHAEROPSIDEAE. 

 S P H AE R I O I D A C E AE. 



PHYLLOSTICTA Pers. 



P. Paviae E. & E. 



On Aesculus octandra hybrida and Haiiiainelis Virginica, 

 June id, 1894 {Nitttall, 1539). {P. sphaeropsidea E. & E.) 

 P. caryigena Sacc. 



P Caryac E. & E. On living leaves of Hicoria ovata and 

 H. microcarpa, June 30, 1894 (Nuttall, 1580). 

 P. Celtidis E. & K. 



On living leaves of Celtis occidentalis, Oct. 10, 1894 {Nutt- 

 all, 1715, 603). 



P. Hamamelidis Pk. 



On living leaves of HamamcHs Virginica, June 10, 1894 

 (Nuttall, 1556). 

 P. Catalpae E. & 11. 



On living leaves of Catalpa Catalpa, July 25, 1895 (Nutt- 

 all, 1623). 

 P. Sanguinariae Wint. 



On living leaves of Sanguinaria Canadensis, June 29, 1894 

 (Nuttall, 1567). 

 P. Ipomoeae E. & K. 



On Ipomoea pandurafa, Sept. 19, 1895. Spores 5 to 10 

 X 2 to 2.5 ju (Nuttall, 1861, 749). 

 P. solitaria E. & E. 



On Malus Malus and coronaria, Monongalia, near Mor- 

 gantown (Sheldon). Berkeley, on Malus Malus at Gerrards- 

 town (Waite). 

 P. Haynaldi Roum. 



On Ilex verticillata. Oct. 5, 1895. Spores 5 to 8 x 2.5 to 

 3 /i (Nuttall, 1872, 756). 

 P. RiBis E. & E. Field Mus. Bot., i :io2 (1896). 



Type habitat: On leaves of Ribes cult. Oct. 21, 1895 

 (Nuttall, discov., 1882, 768). 



Spots large, irregular in shape, .5 to i cm. or often con- 

 fluent along the margin of the leaf for 2 cm., rusty brown, 

 becoming whitish or grayish, and mostly zonate, definite, but 

 without any differently colored border. Perithecia epiphyl- 

 lous, scattered, 150 to 200 fi diameter, the apex prominent 

 and black. Sporules oblong-elliptical, hyaline, granular and 

 nucleate, 15 to 22 x 6 to 9 /x. 



Distinguished from P. ribicola Fr., and P Grossulariae 

 Sacc. bv its much larger sporules. 



