120 IOWA ACADEMY OF SCIENCES. 



Osmorrhixa brevistylis D. C. 



Sioux City (B. W.). 

 Eryngium yuccaefolium Michx. 



Caerokee (B. W.). 



CAPRIFOLIACE^. 



Triosteum perfoliatum L. 



Cherokee Co., Sioux City (B. W.) 

 Sambucus Canadensis L. 



Sioux City (B. W.). 

 Symphoricarpos occidentalis Hook. 



Sioux City, base of mouuds; abundant (L. H. P. and B. W.); 

 South Dakota, opposite Hawarden (L. H. P.); Battle 

 Creek (E. G. Preston); Rock Valley (W. Newell and 

 J. F. Jensen); Little Rock (C. R. Ball); Council Bluffs, 

 Missouri Valley, Turin, base of loess mounds; abun- 

 dant (L. H. P.). 



RUBIACE^E. 



Houstonia angustiflolia Michx. 



Logan, hills; Council Bluffs, Missouri Valley, loess mounds 

 (L. H. P.); Smithland (B. W.), common everywhere on 

 the hills. 

 Galium Aparine L. 



Sioux City (B. W.). 



COMPOSITE. 



Vernonia fasiculata Michx. 



Hawarden, Missouri Valley, Turin, low grounds (L. H. P.); 

 Sioux City (B. W.). 

 V. Noveboracensis Willd. 



Missouri Valley, Council Bluffs, loess mounds near base 

 (L. H. P.). 

 Eupatorium purpureum L. 

 Sioux City (B. W.). 

 roll a a m Michx. 



Sioux City, Big Sioux bottom; not common (L. H. P.). 

 A', perfoliatum L. 



Missouri Valley, low grounds (L. H. P), Sioux City (B. W.). 

 E. ageratoides L. 



Sioux City (B. W.); Onawa, in woods and low grounds 

 (L. H. P.). 



