124 IOWA ACADEMY OF SCIENCES. 



H. tuberosus L. 



Sloux City, betweea loess mounds, cooamon, Hawarden, 

 Big Sioux bottom, common (L. H. P.). 

 Coreposis jKilmata Nutt. 



Sioux City (B. W.); Hall (W. Newell); Bitile Creek (E. G. 

 Preston); Little Rock (Herb. C. R. Bali). 

 Biclens frondosa L. 



Sioux City (B. W.). 



B. cJn'i/m))tItemoid<^s Michx. 



Sioux City (B. W.). 

 Helenunn autionnale L. 



Missouri Valley, low grounds, common (L. H. P. ) Sioux 



City (B. W.). 

 Dysodia chrysanthemoides Lag. 



Sioux City, hills, waste places, streets, along roadsides 

 abundant (L. H. P., B. W.); Turin (L. H. P.). 

 Anthemls Cotula D. C. 



Sioux City (B. W.); Little Rock (C. R. Ball). 

 Achillea millefolium L. 



Sioux City (B. W.); Battle Creek, pastures (E. G. Preston); 

 Little Rock (C. R. Ball.). 

 Crysanthemum LeucantJiemum L. 



Sioux City; escaped from cultivation (B. W.). 

 Artemisia Canadensis Michx. 



Sioux Ciry (B. W., L. H. P.); South Dakota, opposite Har- 

 warden (L. H. P.). 

 A. Ludoviciana Nutt. 



Sioux City (L. H. P.). 

 A. biennis Willd. 



Sioux City (B. W ). 

 Senecio aureus L. 



Sioux City (B. W.) 

 Cacalia tuberosa Nutt. 



Council Bluffs (L. H. P.); Smithland (B. W.). 

 Arctium Lappa L. 



vSioux City (B. W.). 

 Cnicus undulatus Gray. 



Sioux City, lower parts of loess mounds; abundant in places 

 (L H. P.). 



C. altissimus Willd. var. filipendulus Gray. 



Has been sent to me from western Iowa — Ruthven (D. Cha- 

 pin); Sioux City (L. H. P. ; Hitchcock Bot. Gazette, XIV, 



