IOWA ACADEMY OF SCIENCES. 123 



A. "r f <- misiaefolia L. 



Alton, Turin (L H P.): Sioux City (B. W.). A common 

 weed in cultivated fields, pastures, meadows, along 

 roadsides, vacant lots, and railroads. 

 - " stachya DC. 



Council Bluffs, common weed along creeks and river 

 courses in western Iowa (L. H. P.). 

 • Mill. 

 Sioux City, Turin (L. H. P.). In alluvial soil very abun- 

 dant and weedy. South Dakota, opposite Hawarden, 

 bottoms of Big Sioux river (L. II P.). 

 Hell bra Dunal. 



Sioux City (B. W.); Hull (W. Newell); Battle Creek, in 

 woods (E. G. Preston); Little Rock (Herb. C. R. Ball). 

 Echinacea a la DC. 



Sioux City (B. W.); Hull (W. Newell); Battle Creek, 

 abundant prairies (E. G. Preston); Council Bluffs, 

 Logan (L. H. P.); Little Rock (Herb , C. R. Ball). 

 Rudbechia laciniata L. 



South Dakota, opposite Hawarden in woods abundant (L. 

 H. P.); Sioux City (B. W.). 

 P. triloba L. 



Onawa, low grounds, common (L. H. P.) 



B. hirta L. 



Sioux City (B. W.) Little Rxik (Herb. C. R. Ball ). 

 )hyspinnata Torr. & Gray. 

 Sioux City (B. W.) Council Bluffs (L. H. P.). 



vthus annuus L. 

 Sioux City (B. W.); Hawarden (L. H. P.); Onawa, Mis- 

 souri Valley, (L. H. P.). A common weed everywhere 

 in western Iowa, ffood plains, Missouri and Big Sioux 

 rivers, streets and dooryards. (L. H. P.). 

 H. rigidus Desf. 



Hawarden (L H. P.); Sioux City (B. W.). 

 H. gro88e-8erratus Martens. 



Sioux City, abundant in alluvial bottoms of Missouri river, 

 and along river courses, creeks (L. H. P., B. W.); Onawa, 

 Turin. One of the most conspicuous plants in September. 

 II Maximiliani Schrad. 



Sioux City, Loess hills along the Missouri and Big Sioux 

 rivers. Aiton, Sioux Rapids, Hawarden, occasionally in 

 alluvial bottoms at Whiting; also observed near Brad- 

 gate further east (L. H. P.). 



