206 



Erig-eroii caniis, Gray. Hoary Erigeron. 



In dry soils in the Black Hills and the adjacent plains. 



Erig:er<)ii (n)nii)o.situs, Pursh. Dwaif Fleabane. 

 On exposed soils in the Black Hills. 



Erij»-er<)ii flaj»ellaris, Gray. Running Fleabane. 

 In rich soils in the Black Hills. 



Erigeron salsugiiious, Gray. 



In dry soils in the foothills of the Black Hills and the 

 adjacent plains. 



Erigeron piilchellus, Michx. Robin's Plantain. 

 Erigeron bellidifolms^ Muhl. 



On banks of streams in the Minnesota and Sioux 

 valleys. 



Erigeron Philadelphieus, L. Skevish. 



In low ground in the Minnesota, Sioux, and James 

 valleys and in the Black Hills. 



Erigeron annniis, (L.) Pers. Sweet Scabious, 



On low prairies in the Minnesota and Sioux valleys. 



Erigeron raniosus, (Walt.) B. S. P. Daisy Fleabane. 

 Erigeron strigosus, Muhl. 



In low ground and on banks throughout the state. 



Erigeron raniosus Beyricliii, (F. & M.) Smith & Pound. 

 In the Black Hills. 



Erigeron arnierifolius, Turcz. Mountain Fleabane. 

 In wet meadows in the Black Hills. 



LeiJtilon Canadense, (L.) Britton. Horseweed. 

 Erigeron Canadensis^ L- 



Throughout the state; common in the eastern part of 

 the state; rare from the Missouri valley westward, 



Leptilon divaricatuni, (Michx.) Raf. Purple Horse- 

 weed. 



Erigero7i divaricatus^ Michx. 



In sandy soils in the Missouri valley in Walworth 

 county, rare. 



