THE FLORA OF SCOTT AND MUSCATINE COUNTIES. 227 



Boltonia, L'Her. 



337. B. asteroides, 1/IIer. 



Low wet places; abundant locally. 

 Aster, L. 



338. A. corymbosus, Ait. 

 Woods ; infrequent. 



339. A. macrophyllus, L. 



Moist woodlands ; not infrequent. 



340. A. oblongifolius, Nutt., var. rigidulus. Gray. 



Dry sandy soil; Cedar River region, Muscatine Island, and 

 Wyoming Hill; Mississippi River near Camp McClellan. 



341. A. Novae AnglicR, L. 



Moist grounds; common. An albino of this species is fre- 

 quent along several miles of roadside near Fairport. 



342. A. Novae Anglice, L., var. rosens, Cray. 

 Infrequent. 



343. A. sericeus, Vent. 



Dry sandy soil ; frequent. 



344. A. azureus, Lindl. 

 Prairies; frequent. 



345. A. Shortii, Hook. 



Dry banks and borders of woods ; frequent. 



346. A. cordifolius, L. 



Hilly woods, T'w'p. Seventy-six, Muscatine count). Not 

 common. Frequent at Drury's Landing, 111., just outside 

 of our limits. 



347. A. sagittifolius, Willd. 

 Open woods ; common. 



348. A. Drummondiiy Lindl. 



Open woods; frequent. When not growing with A. sagitti- 

 folius, quite distinct, frequently four or five feet high and 

 of more vigorous growth than that species. 



349. A. lozvis, L. 



Dry prairies; frequent. 



350. A. ericoides, L. 

 Dry soil ; frequent. 



351. A. ericoides, L., var. villosus, Torr. & Gray. 

 Rocky banks of the Mississippi ; frequent. 



