o 
210 "FLORA, OF )WINNESHIEK COUNTY. 
_ Helianthus scaberrvmus Ell. (H. rigidus Desf.) Stiff Sun- 
flower. On dry prairies and ridges. Common. Calmar, Ft. 
; ‘Atkinson, ete. 
Helianthus occidentalis Ryd. Few-leaved Sunflower. In dry 
open places. Common. Decorah (Goddard), Calmar, Ft. At- 
- kinson. 
Helianthus grosse-serratus Martens. Saw-tooth Sunflower. 
' In moist open places. Common. Bluffton, Calmar. 
Helianthus decapetalus L. Wild Sunflower. In moist shaded 
places. Not common. Decorah. ' 
Helianthus strumosus macrophyllus (Willd.) Britt. (H. 
-_strumosus var. mollis T. & G.) Wood Sunflower. Common in 
open woods, etc. Decorah, Hesper, Ft. Atkinson. 
Coreopsis palmata Nutt. Stiff Tickseed. On dry 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. In moist soil, waste 
places, etc. Common. Decorah, Calmar. . 
Helenium autumnale L. Sneeze-weed. In moist places. A 
common weed in low pastures. Decorah, Hesper, Ft. Atkinson. 
Achillea millefolium L. Yarrow. In dry open places. A 
common weed. Calmar, etc. 
Anthemis cotula LL. Mayweed; Dog-fennel. A common intro- 
duced weed. Decorah, Calmar, etc. 
Chrysanthemum leucanthemum L. Ox-eye Day An intro- 
duced weed, not yet abundant. Calmar. 
Tanacetum vulgare L. Tansy. Escaped from gardens. Hes- 
per, Highlandville. 
Artemisia caudata Michx. Tall Wormwood. In dry open 
places. Quite common. Decorah, Ft. Atkinson. 
Artemisia dracunculoides Pursh. Linear-leaved Wormwood. 
On dry ridges. Not common. Highlandville. 
Artemisia biennis Willd. Biennial Wormwood. Moist banks. 
Fitzpatrick.) 7 
Artemisia serrata Nutt. Saw-leaf Mugwort. On prairies. 
Quite common. Calmar, Hesper. 
