210 ILJRA OF WINNESHIEK COUNTY. 



Heiianthut waberrimui Ell. {11. rigidtu Deaf.) Stiff Bun- 

 flower. < »ii drj prairies and ridges. Common. Calmer, Ft. 

 Atkinson, etc. 



Helianthus Occident alii Ryd Few-leaved Sunflower. Ln drj 

 open places. Common. Decorafa (Goddard), Calmer, Ft. At 

 kinson. 



Helianthus grosse-serratus Martens. Saw-tooth Sunflower. 

 In moist opt -ii places. Common. Bluffton, Calmer. 



Helianthus decapetalush. Wild Sunflower, [n moist shaded 

 places. Not common. Decorah. 



Helianthus strumosus macrophyUus (Willd.) Britt [H. 

 strumosus var. mollis T. cV G.) Wood Sunflower. Common in 

 open woods, etc. Decorah, Hesper, Ft. Atkinson. 



Coreopsis palmata Nutt. Stiff Tickseed. On drj prairies 

 and ridges. Common. Calmar. etc 



Bidens cernua L. Nodding Bur-marigold. Common in wet 

 places. Ft. Atkinson, etc. 



Bidens connata Muhl. Swamp Beggar-ticks. Reported by 

 Fitzpatrick. 



Bidens frondosa L. Spanish Needles, ln moist soil, waste 

 places, etc. Common. Decorah, Calmar. 



Helenium auiumnale L. Sneeze-weed. In moist placet 

 common weed in low pastures. Decorah, ttesper, Ft. Atkinson. 



Achillea millefolium L. Yarrow. In dry open places. A 

 common weed. Calmar, etc. 



Anthemis cotula L. Mayweed; Dog-fennel. A common intro- 

 duced weed. Decorah, Calmar. etc 



Chrysanthemum leucanthemum L. Ox-eye Daisy. An intro- 

 duced weed, not yet abundant. Calmar. 



L. Tansy. Escaped from gardens Ses 



per. Bighlandville. 



Artemisia oaudata Michx. Tall Wormwood. In dry open 

 places. Quite common. Decorah. Ft Atkinson. 



Artemisia dracunculoides Pursh. Linear-leaved Wormwood. 

 On dry ridges. Not common. Bighlandville 



Artemisia biennis Willd. Biennial Wormwood Moist banks, 



(Fitzpatrick.) ^ . . 



Artemisia serrata Nutt. Saw-leaf Mugwort On prairies. 



Quite common. Calmar. Hesper. 



