209 



Heliaiithus grosse-serratus, Martens. Saw-toothed Sun- 

 flower. 



In low ground in the Minnesota and Sioux valleys; 

 common. 



Heliaiithus tuberosus, L. Jerusalem Artichoke. 



In moist soils in the vicinity of streams, from the 

 Missouri valley eastward. 



Helianthus tuberosus subcauesceiis, Gray. 



In the Sioux valley; rare. 



Helianthella quinquenervis, (Hook.) Gray. Five-nerved 



False Sunflower. 



On dry knolls in the Black Hills. 



Balsamorhiza sagittata, (Pursh.) Nutt. Balsamroot. 

 In the Black Hills. 



Coreopsis tiiictoria, Nutt. Garden Tickseed. 



In moist soils from the Missouri valley eastward. 



Cereopsis palmata, Nutt. Stiff Tickseed. 



In the Sioux valley near Sioux Falls; rare. 



Bideiis laevis, (L.) B. S. P. Smooth Burr Marigold. 

 In wet meadows in the Black Hills. 



Bideiis ceriiua, !,. Nodding Burr Marigold. 



In wet soils from the Missouri valley eastward. 

 Biclens connata, Muhl. Purple-stemmed Beggartick. 



In swamps in the Sioux valley. 



Bideiis frondosa, L. Sticktight. 



In moist soils from the Missouri valley eastward. 



Hymenopappus tenuifolius, Pursh. Woolly Hymeno- 

 pappus. 



On dry plains from the Missouri valley westward. 



Hymenopappus fllifolius, Hook. Tufted Hymenopappus. 

 On dry prairies from the Missouri valley westward. 



Bahia oppositifolia, Nutt. Bahia. 



On dry plains from the Missouri valley westward. 



