Freeman : PRELIMINARY LIST OF MINNESOTA ERYSIPHE^E. 425 



Pedicularis lanceolata 'MiCHX. ; Lincoln, August, 1891, 



Sheldon 1522. 



Bidens frondosa L. ; Lincoln, August, 1891, Sheldon 

 1516,- - September, 1893, Sheldon 6092, Hennepin, 

 Oct., 1898, Freeman 50. 



Seymour reports this species on Erechtites hicracifolia and 

 Nabalus sp. at Lake Minnetonka. 



3. Sphasrotheca mors-uvae (Scnw.) B. & C. Grev. 4: 158. 

 1876. 



On leaves of : 



Ribes floridum L'HER. : St. Louis, July, 188, Holway 84 

 (Splicer othcca -pannosa LEV.); Kandiyohi, July, 1892, 

 Frost 249. 



4. Erysiphe cichoracearum DC. Flore Franc. 2:274. 1815. 

 On leaves of : 



Ambrosia artemisicefolia L. : Hennepin, 1890, MacMillan ; 



, Sheldon 7322 ; , Sheldon 6162 ; , Sheldon 



6131 ; Ramsey, Sept., 1898, Freeman 61. 



Ambrosia -psilostachya DC. Traverse, Sept., 1893, Sheldon 

 7081. 



Ambrosia trifida L. : Pope, Aug., 1891, Taylor 1126; 

 Brown, Sept., 1891; Sheldon 1243; Traverse, Sept., 

 1893, Sheldon 7086; Goodhue, Aug., 1893, Anderson 

 727; Ramsey, Sept., 1898, Freeman 62; Hennepin, 

 Sept., 1898, MacMillan. 



Heliopsis scabra DUNAL. : Kandiyohi, Aug., 1892, Frost 

 449. 



Cnicus&p. indet. : Hennepin, 1890, MacMillan ; Traverse, 

 Sept., 1893, Sheldon 7072. 



Carduus sp. indet. : , Sheldon 7357 ; Hennepin, 1890* 



MacMillan. 



Aster puniceus L. var. lucidulus A. GRAY : Lincoln, Aug., 

 1891, Sheldon 1507. 



Aster sp. indet.: Winona, Sept., 1888, Holzinger; Hen- 

 nepin, Oct., 1898, Freeman 63 ; Hennepin, Oct., 1892, 

 Sheldon 4123. 



Solidago canadensis L. : , Sheldon 6082. 



Solidago sp. indet. : Hennepin, 1890, MacMillan ; Waseca, 

 June, 1891, Taylor 188 ; Hennepin, Oct., 1891, Sheldon ; 

 Goodhue, Aug., 1893, Anderson 814. 



