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IOWA ACADEMY OF SCIENCES. 
/A tuherosus L. 
Sioux City, betweea loess mounds, common, Hawarden, 
Big Sioux bottom, common (L. H. P,). 
Coreposis palmata Nutt. 
Sioux City (B. W.); Hull (W, Newell); Battle Creek (E. G. 
Preston); Little Rock (Herb. C. R. Ball). 
Bidens frondosa L. 
Sioux City (B. W.). 
B. cliTysantliemoides Mic'bx. 
Sioux City (B. W.). 
Helenium autumncde L. 
Missouri Valley, low grounds, common (L. H. P.) Sioux 
City (B. W.). 
Dijsodia clirysantliemoides Lag. 
Sioux City, hills, avaste places, streets, along roadsides 
abundant (L. H. P., B. W.); Turin (L. H. P.). 
Antliemis Cotula D. C. 
Sioux City (B. W.); Little Rock (C. R. Ball). 
Achillea millefolium L. 
Sioux City (B. W.); Battle Creek, pastures (B. G. Preston); 
Little Rock (C. R. Ball.). 
Grysanthemum Leucantliemuin L. 
Sioux City; escaped from cultivation (B. W.). 
Artemisia Canadensis Michx. 
Sioux Ciiy (B. W., L. H. P.); South Dakota, opposite Har- 
warden (L. H. P.). 
A. Ludoviciana Nutt. 
Sioux City (L. H. P.). 
A. Mennis Willd. 
Sioux City (B. W ). 
Senecio aureus L. 
Sioux City (B. W.). 
Cacalia tuherosa Nutt, 
Council Blutfs (L. H. P.); Smithland (B. W.). 
Arctmni Lappa L. 
Sioux City (B. W.). 
Gnicus mululatus Gray. 
Sioux City, lower parts of loess m.ounds; abundant in places 
(L H. P.). 
G. altissimus Willd. var. filipendidus Gray. 
Has been sent to me from western Iowa — Ruthven (D. Cha- 
pin); Sioux City (L. H. P. ; Hitchcock Bot. Gazette, XIV, 
