426 MINNESOTA BOTANICAL STUDIES. 



Helianthus divaricatus L. : , Sept., 1893, Sheldon 



6089. 



Helianthus decapetahis L. : Brown, July, 1891, Sheldon, 

 1244. 



Helianthus grosse-serratus MARTINS : Traverse, Sept., 

 1893, Sheldon 7106. 



Helianthus scaberr.imus ELL. : , Sept., 1893, Sheldon 



6143 ; Ramsey, Sept., 1898, Freeman 64. 



Helianthus tuberostis L. : Goodhue, Aug., 1893, Anderson 

 705 ; Ramsey, Sept., 1898, Freeman 65. 



Heilanthus sp. indet. : Traverse, Sept., 1893, Sheldon 

 7085 ; Hennepin, 1890, MacMillan ; Blue Earth, June, 

 1891, Sheldon 483; Winona, Sept., 1888, Holzinger; 

 Lincoln, Aug., 1891, Sheldon 1418. 



Verbena stricta VENT. : Ramsey, Sept., 1898, Freeman 66. 



Verbena urticifolia L. : Chisago, Aug., 1892, Taylor 

 1639; Hennepin, Aug., 1890, MacMillan; Hennepin, 

 Sept., 1898, Freeman 67. 



Verbena hastataL. : Hennepin, Oct., 1892, Sheldon 4128; 

 Pope, Aug., 1891, Taylor 1188; Goodhue, Aug., 1893, 

 Anderson 827 ; Ramsey, Sept., 1898, Freeman 68. 



Verbena sp. indet. : Traverse, Sept., 1893, Sheldon 7030; 

 Carver, July, i89i,Ballard 650; Traverse, Sept., 1893, 

 Sheldon 7071. 



Rudbeckia laciniata L. : Hennepin, Sept., 1898, MacMil- 

 lan. 



Senecio aureus L. : Brown, July, 1891, Sheldon 1153. 



Hydrophyllum virginicum L. : Blue Earth, June, 1891, 

 Sheldon 203. 



Grindelia squarrosa (PURSH) DUNAL : Pipestone, Aug., 

 1891, Sheldon 1434. 



Lappula virginiana (L.) GREENE : Blue Earth, June, 

 1891, Sheldon 483 ; St. Louis, July, 1886, Holway 78. 



Lappula sp. indet. : Brown, Aug., 1891, Sheldon 1232. 



Coreopsis palmata NUTT. : Winona, Sept., 1888, Holz- 

 inger. 

 5. Erysiphe communis (WALLR.) FR. Summa. Veg. Scand. 



406. 1849. 

 On leaves of : 



JSupatorium ageratoides L. : Hennepin, Oct., 1893, Shel- 

 don 4083. 



