Freeman: MINNESOTA UREDINE^E. 555 



6. A. thalictri-flavi (DC.) WINT. Die Pilze i 1 : 269. 1884. 

 On Thalictrnin dioicnm L.: Mille Lacs, Je. 1892, 



Sheldon 2306. 



Thalictrum piirpnrasccns L. : St. Louis, Jy. 1886, Hoi- 

 way 210 (A. thalictri Grev.) ; Ramsey, Je. 1898, Free- 

 man 71 ; Ramsey, My. 1899, Freeman 318. 



7. A. ranunculacearum DC. Fl. Fr. 6: 97. 1815. 



On Anemone canadcnse L. : Winona, Je. 1889, Holzinger, 



Ramsey, Je. 1899, Freeman. 

 Anemone quinquefolia L. : Aitkin, Je. 1891, Sheldon 2312 



and 2108; Mille Lacs, Je. 1892, Sheldon 2566. 

 Ranunculus abortivus L. : Wright, My. 1899, Freeman 



637^ ; St. Louis, Jy. 1886, Holway 212. 

 The aecidia on R, abortivus L. are not diffused over the 

 entire surface but are aggregated on definite orbicular spots 

 which are at first reddish but become yellow in drying. 

 Spores finely tuberculate polygono-spherical, 20-23 x 17 /*. Not 

 ranunculi Schwein. 



8. A. punctatum PERS. Usteri Ann. Bot. 20: 135. 1796. 

 On Thalictrum dioicum L. : Chisago, Je. 1899, Freeman 



416. 



9. A. actaeae OPIZ. in Wallr. Fl. Crypt. Germ. 2: 252. 1833. 

 On Actcea alba (L.) MILL. : Blue Earth, Je. 1891, Sheldon 



39 2 - 



10. A. cimicifugatum SCHWEIN. Syn. Fung. Am. Bor. 293. 



No. 2876. 1831. 



On Actaa sp. indet. : Pope, Jy. 1891, Taylor 889. 

 Differs from A. cimicifugatum Schwein. in the long cylin- 

 drical pseudoperidia and in smooth (or almost) spores. Spores 

 15-17 IJL in diameter. 



11. A. clematidis DC. Fl. Fr. 2: 243. 1815. 



On Clematis virginiana L. : Mille Lacs, Jy. 1892, Shel- 

 don 2764; Brown, Jy. 1891, Sheldon 907; Pope, Jy. 

 1892, MacMillan 6 ; Houston, Je. 1899, Lyon 106. 



12. A. fumariacearum KELL. & SWINGLE, Journ. Myc. 4: 95. 



1888. 



On Bicuculla cucullaria (L.) MILLSP. : Aitkin, Je. 1892, 

 Sheldon 2203 ; - 1893, Sheldon 5959. 



