SUB-CLASS II. DICOTYLEDONES. 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 plantaginifolia (L.) Rich. Plantain-leaf Hver- 
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. 
Siuphium 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, 
ete. (Fitzpatrick.) 
Rudbeckia hirta L. Black-eyed Susan. Common in rather 
dry open grounds. Calmar. 
Rudbeckia laciniata L. Tall Cone-flower. Common on moist 
pastures, ete. Calmar. 
Ratibida pinnata (Vent) Bernh. (Lepachys pinnata T. & G.) 
Gray-headed Cone-flower. Common on dry prairies. Calmar, 
ete. 
Helianthus annuus L. Common Sunflower. Introduced, in 
waste places. Ft. Atkinson. ete. 
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