Freeman : PRELIMINARY LIST OF MINNESOTA ERYSIPHE^E. 427 



Lathyrus venosus MUHL. : Winona, Sept., 1888, Holzinger 

 326; Pope, July, 1891, Taylor 1181 ; Mille Lacs, July, 



1892, Sheldon 2755; Otter Tail, Aug., 1892, Sheldon 

 3661. 



Lathy rus sp. indet. , Sheldon 6127. 



(Enothera sp. indet. : Hennepin, 1890, MacMillan. 



Clematis virginiana L. : Hennepin, 1890, MacMillan. 



Anogra albicaulis (PuRSH) BRITTON. :. Brown, July, 

 1891, Sheldon 1195. 



Strophostyles helvola (L.) BRITTON: Pope, July, 1891, 

 Taylor 1136. 



Falcata comosa (L.) KUNTZE : Pope, July, 1891, Taylor 

 1136. 



Oxygraphis cymbalaria ( PURSH) PRANTL : Lincoln, 

 Aug., 1891, Sheldon 1357. 



Astragalus canadensis L. : Lincoln, Aug., 1891, Sheldon 

 1423; Hennepin, Sept., 1898, MacMillan. 



Aragallus involutus A. Nels. : Lincoln, Aug., 1891, Shel- 

 don 1390. 



An undetermined plant of pea family: Traverse, Sept., 



1893, Sheldon 7257. 



Thalictrum purpurascens L. : Chisago, Sept., 1893, Shel- 

 don 6188. 



Thalictrum sp. indet. : Cass. Aug., 1893, Anderson 706. 



Onagra biennis (L.) SCOP. , Sept., 1893, Sheldon 



6146. 



Anemone virginana L. : Traverse, Sept., 1893, Sheldon 

 7089. 



Lotus americanus (NuTT.) BISH. : Big Stone, Sept., 

 1893, Sheldon, Traverse, Sept., 1893, Sheldon 7201. 



Polygonum aviculare L. : Ramsey, Sept., 1898, Freeman 



SI ' 

 Seymour reports E. communis on Lathyrusf at Lake Min- 



netonka. 



6. Erysiphe aggregate. (PECK) FARLOW, Bull. Bussey, Inst. 2 : 



227. 1878. 

 On leaves of : 

 Alnus incana (L.) WILLD. : St Louis, July, 1886, Holway 



