560 MINNESOTA BOTANICAL STUDIES. 
“Uredo. IsoLaTepD Forms. 
1. U0. polypodi (P.) DC. Fl. ir. 62485. aBr5; 
On Cystopteri’s fragilis BERNH.: Houston, Jy. 1899, Lyon 
214. 
2. U. agrimonie-eupatorie (DC.) Wint. Die Pilze 1°: 252. 
1884. 
On Agrimonia hirsuta (MuHL.) BIcKNELL: St. Louis, Jy. 
1886, Holway 209. 
