IOWA ACADEMY OE SCIENCES. 
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Onawa, 1894 (Pammel). Carroll, 1894 (Pammel). Charles 
City, 1876 (Arthur). Humboldt (P. L. Harvey). 
Kansas. — Hamilton, Sedgwick and Riley counties, Loti 
(Hitchcock). “It grows abundant about Manhattan and I have 
also seen it growing at Winfield, Cowley county, 1894.” (Hitch- 
cock. ) 
Southern part of the state. (C. H. Thompson.) 
Manhattan, August 28, 1888. (Kellerman.) 
Leavenworth, Lawrence. (C. H. Thompson.) 
Topeka, North Topeka, Onago, Washington. Potwin Place. 
Arkalon, 1891. (M. A. Carleton in Holzinger, Contributions. 
U. S. Nat. Herb., Vol. I, No. VI, p. 208). 
Michigan. — Keweenaw county, near coal-houses, 1889. 
Clifton (Wheeler). 
Keweenaw county, Harwell (Beal & Wheeler, Flora of Mich- 
igan.) 
Minnesota. — “Frequent southeastward, abundant south- 
westward, extending north to Todd county common, and in the 
Red River Valley to Grand Porks (Upham) and St. Vincent.” 
(Scott, Havard.) (Upham, Catalogue Flora of Minnesota, inclu- 
ding its Phmnogamous and Vascular Cryptogamous Plants, 
Indigenous, Naturalized and Adventive; Geological and Nat. Hist. 
Survey of Minn., Pt. VI of Ann. Rep. of Progress for 1883, p. 
18. ) ‘ ‘A new weed that is steadily gaining ground, traveling 
eastward and possibly southward. It is a candidate for the 
same situation as the large Ragweed, prefers the edges of fields 
and along roadsides and streets, but especially about barns. If 
circumstances are unfavorable it can blossom v/hen only a few 
inches high, while under more fortunate conditions it reaches 
much above one’s head. It closely resembles the Cockle-bur 
v/hen young, but as it grows older has more the appearance of 
the common sunflower. With flowers, however, after the pat- 
tern of the Ragweed.” (Arthur, in Upham, Cat. Flora of Minn., 
p. 79.) 
Fort Snelling, (Means) Lake Pepin Valley (Sarah Manning, 
The wild flowers of Lake Pepin Valley. Minnesota Hort. Rej)., 
1884, p. 101). 
Red River Valley (Upham), Goodhue Co., (Sandberg, 131,) 
Montevideo (Moyer, 132, Conway McMillan, The Metaspermae 
of the Minnesota Valley; p. 533.) 
La Crescent, Minnesota, 1884 (L. H. Pammel). 
St. Paul, 1861 (T. J. Hale). 
