560 MINNESOTA BOTANICAL STUDIES. 



Uredo. ISOLATED FORMS. 



1. U. polypodii (P.) DC. Fl. Fr. 6: 81. 1815. 



On Cystopteris fragilis BERNH. : Houston, Jy. 1899, Lyon 

 217. 



2. U. agrimoniae-eupatoriae (DC.) WINT. Die Pilze i 1 : 252. 



1884. 



On Agrimonia hirsuta (MuHL.) BICKNELL : St. Louis, Jy. 

 1886, Holway 209. 



