Ill I FLORA OF SCOTT \ \ I ' Ml 5CATINE COUNTI] 229 



369. A. ptarmicoides , Torr. & Gray. 

 Dry sandy prairie, Ba) field. 



Erigeron, L. Fleabane. 



370. E. Canadensis^ L. Butter- weed. 

 Waste grounds ; common. 



371. E. divaricatus, Michx. 



Dry sandy soil, Cedar River region ; frequent. Becoming a 

 troublesome weed in pastures in Scott county. 



372. E. annuus, IVrs. Daisy Fleabane. 

 Fields and waste places ; frequent. 



373. E. strigosus, Muhl. 

 Similar places ; common. 



374. /-'. bellidifolius, Muhl. 

 Woods; frequent. 



375. E. PhiladelphicuSf 1.. 

 Moist ground ; frequent. 



Antennaria, Gaertn. 



376. A. plantaginifolia, Hook. Plantain leaved Everlasting. 

 Dry sterile soil ; common. 



Gnaphalium, L. 



377. G. polycephaluni, Michx. 



Dry fields and open woods ; frequent. 

 Polymnia, L. 



378. P. Canadensis, L., var. radiata, Gray. Leaf Cup. 

 Open rich woods along Cedar River; not infrequent. 



Silphium, L. Rosin-weed. 



379. 6". laciniatum, L. Compass Plant. 

 Prairies; common. 



380. .S. integrifolium, Michx. 

 Prairies ; common. 



381. S. perfoliatum, L. Cup Plant. 

 Lo-v grounds; frequent. 



Parthenium, L. 



382. P. integrifolium, L. 



Dry sandy soil ; infrequent. 

 Iva, L. 



383. /. xanthiifolia, Nutt. 



Dry waste grounds, Muscatine, Davenport. 



