228 UNIVERSITY OF MISSOURI STUDIES [37° 



950. A. multiflorus Ait. Many-flowered aster. 

 Dry grounds and roadsides. 



Maine to Ontario and South Dakota; Georgia to Texas 

 and Mexico. 



951. A. dumosus L. Bushy aster. 



Barrens; seldom typical and verging toward A. Trades- 

 canti L. in the common form. 



Maine to Ontario and South Dakota; Florida to Louis- 

 iana and Missouri. 



952. A. lateriflorus (L.) Britton \A. dij^usiis Ait.]. Cal- 

 ico aster. 



Common in both dry and moist places; extremely varia- 

 ble. 



Nova Scotia to Ontario, South Dakota and Missouri; 

 North Carolina to Texas. 



953. A. Tradescanti L. Michaelmas daisy. 



Low grounds; common and polymorphous; a series of 

 forms connecting with A. dumosus L., A. lateriflorus (L.) 

 Britton, and A. paniculatus Lam. 



Ontario to the Northwest Territory; Florida to Mis- 

 souri. 



954. A. paniculatus Lam. Panicled aster. 

 Low grounds; very variable and common. 



New Brunswick to Montana; Virginia to Louisiana 

 and Kansas. 



9S4a. A. paniculatus bellidiflorus (Willd.) Burgess. 

 Frequent in moist soil. 

 New Brunswick to Ontario; North Carolina to Kansas. 



955. A. simplex Willd. \A. paniadatus simplex (Willd.) 

 Burgess]. Tall white aster. 



Common in moist places in shade. 



Massachusetts to Michigan; Virginia to Missouri. 



956. A. salicifolius Lam. Willow aster. 

 Common in moist places. 



Maine to Ontario and Montana; Florida to Texas. 



