120 IOWA ACADEMY OF SCIENCES. 



HeHanthus annuus L. Winneshiek, Allamakee, Clayton, and 

 Jackson Cos. Waste places, frequent. 



H. petiolaris Nutt. Dubuque Co. Along the railroad, one 

 specimen. 



H. occidentalis Ridd. Winneshiek Co. 



H. grosse-serratus Mart. Winneshiek Co. Rich soil, common. 



H. maximiliani Schrad. Dubuque Co. A few along railroad. 



H. tuberosus L. Winneshiek Co. Woods, frequent. 



Coreopsis palmata Nutt. Winneshiek, Allamakee, and Clay 

 ton Cos. Prairies, common. 



Bidens frondosis L. Winneshiek, Clayton, Dubuque, and 

 Clinton Cos. Wet grounds, common. 



B. connata Muhl. Winneshiek Co. Wet grounds, common. 



B. cernua L. Winneshiek Co. Wet grounds, common. 

 Helenium antumnale L. Winneshiek, Allamakee, Clinton, 



and Scott Cos. Alluvial soil, frequent. 



Antkemis cotula DC. Winneshiek, Allamakee, Clayton, 

 Dubuque, Jackson, Clinton, and Scott Cos. Waste places, 

 common. 



Achillea millefolium L. Winneshiek and Dubuque Cos. 

 Meadows and open woods, common. 



Chrysanthemum leucanthemum L. Allamakee and Dubuque 

 Cos. Along railroad and in open woods, infrequent . 



Tanacetum vulgar e L. Winneshiek and Allamakee Cos. 

 Waysides and waste places, frequent. 



Artemisia biennis Willd. Winneshiek, Dubuque, and Jack- 

 son Cos. Waste places, frequent. 



A. ludoviciana Nutt. Winneshiek, Allamakee, and Dubuque 

 Cos.. 



A. caudata Mx. Winneshiek Co. 



Senecio aureus L., var. balsamitw T. & G. Winneshiek, Alla- 

 makee, and Scott Cos. Woods, frequent. 



Cacatia suaveoleus L. Winneshiek Co. Woods, infrequent. 



C. reniformis Muhl. Winneshiek and Allamakee Cos. Woods, 

 frequent. 



C. tvbprosa Nutt. Allamakee Co. Wet prairies, frequent. 



Erechtitea hieracifoHa Raf. Winneshiek Co. Open places, 

 frequent. 



Arctium lappa L. Winneshiek, Clayton and Dubuque Cos. 

 Fields and waste places, frequent. 



Cnicus lanceolatus Holfm. Winneshiek, Allamakee, Clayton, 

 Dubuque and Clinton Cos. Fields and open woods, frequent. 





