120 IOWA ACADEMY OF SCIE.NTCES. 



OsmorrJiiza hrcvistyUs D. C. 



Sioux City (B. W.). 

 Eryngium yuccaefuUinn Michx. 



Cherokee (B. W.)- 



CAPRIFOLIACEyE. 



Triosteinn 2)crfoliatum L. 



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

 Sainbucus Canadensis L. 

 Sioux City (B. W.). 

 Sympho7'icar2)os occidentaUs Hook. 



Sioux City, base of mounds; 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^. 



Houstonia angustijiolla Michx. 



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

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

 the hills. 

 Galium Aparine L. 



Sioux City (B. W.). 



COMPOSITyE. 



Vernonia faskulafa 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.). 

 E. serotinum Michx. 



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

 E. 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.). 



