CATALOGUE OP PLANTS. 



137 



Phyllosticta phomiformis, Sacc. 

 Frequent. B, on Quercus alba, L. 



DISCOMYCETES. 



Geoglossum Peckianum, Cooke. 

 Common. M, near Shiner Pool. 



Leotia chlorocephala, Schw. 

 Common. M, near Shiner Pool. 



Peziza hirta, Schum. 

 Common. M, on ground. 



Rhytisma Solidaginis, Schw. 

 Frequent. B, on Aster corymbosus, Ait., Great Dome. 



EXOASCE^E, 



Exoascus, sp. ? 



Very rare. B, on Alnus incana, Willd. ; this is the first 

 Exoascus found in America upon Alnus leaves, and the deter- 

 mination of the species is reserved for further collections and 

 more critical study. 



Taphrina Alni-incanse (Kiihn), Magnus. 



Common. iTf and BB, on Alnus incana, Willd. 



T. casrulescens (Mont. & Desm.), Tul. 



Common. M, on Quercus coccinea, Wang., var. tinctoria, 

 Gray. 



T. flava, Farl. 



Rare. S, on Betula populifolia, Ait. 



Magnusiella Potentillas (Farl.), Sadebeck. 

 Common. BB, on Potentilla Canadensis, L. 



UREDINE^E. 



Caeoma nitens, Schw. 



Abundant. jB, on Rubus villosus, Ait. 



