SUB-CLASS II. DI001YLED0NKS. 209 



Doellingeria umbellata (Mill.) Ness. (Aster umbellatus Mill.) 

 Tall Flat-top White Aster. In moist prairie. Local. Orleans Twp. 



Doellingeria humilis (Willd.) Britt. (Aster umbellatus var. 

 latifolius Gray.) Broad-leaved Flat-top White Aster. In 

 moist places, Hesper. 



Antennaria pi antagini folia (L.) Rich. Plantain-leaf Ever- 

 lasting. Common on dry ridges, etc. Decorah (Savage), etc. 



Gnaphalium obtusifolium L. (G. polycephalum Michx.) White 

 Balsam. In dry open places. Common. Hesper, Sattre, north 

 fork of Bear creek. 



Inula helenium L. Elecampane. Introduced. Not common, 

 along roadsides. Canoe creek. 



Polymnia uvedalia L. Yellow Leaf-cup. In rich soil. Not 

 common. Calmar. 



Polymnia canadensis L. Small-flowered Leaf-cup. Common 

 on shaded rocky slopes at Decorah. 



Silphium perfoliatum L. Cup-plant. Common in wet places. 

 Ft. Atkinson. 



Silphium laciniatum L. Compass-plant. Still common on 

 prairies. Hesper, Calmar. 



Parthenium integrifolium L. American Fever-few. In dry 

 places. Not rare. Calmar. 



Heliopsis scabra Dunal. Rough Ox-eye. Common on dry 

 prairies, etc. Decorah, Calmar. 



Rudbeckia triloba L. Thin-leaved Cone-flower. In thickets, 

 etc. (Fitzpatrick.) 



Rudbeckia hirta L. Black-eyed Susan. Common in rather 

 dry open grounds. Calmar. 



Rudbeckia laciniata L. Tall ( 'one-flower. Common on moist 

 pastures, etc. Calmar. 



Ratibida pinnata (Vent) Bernh. (Lepachys pinnata T. & G.) 

 Gray-headed Cone-flower. Common on dry prairies. Calmar, 

 etc. 



Helianthus annuus L. Common Sunflower. Introduced, in 

 waste places. Ft. Atkinson, etc. 



