IOWA ACADEMY OF SCIENCES. 125 



129). This approaches C. undulatus. Miss Wakefield's 

 C. undulatus, from Sioux City, is referable to this 

 variety. 

 Var. discolor Gray. 



Sioux City (B. W.). 

 C. arvi nsis HoSm. 



Maple River Junction (Bernholtz). 

 Krigia Dandelion Nutt. 



Sioux City (B. W.). 

 Lygodesmia juncea Don. 



Sioux City, loess mounds very abundant (L. H. P.); Logan, 

 Missouri Valley, Turin (L. H. P.); Hull, weedy (James 

 C. Watson); Little Rock, weedy (C. R. Ball); Battle 

 Creek, roadsides, weedy (E. G. Preston). Very abun- 

 dant tops and sides of mounds. In August and Septem- 

 ber most of the plants are affected with galls. 

 Taraxacum officinale Weber. 



Sioux City (B. W.). 

 Lactuca Scar tola L. 



Missouri Valley (L. H. P.). Common in streets of Council 

 Bluffs, Onawa, Turin (L. H. P. ooseivations). 

 L. Canadensis L. 



Sioux City (B. W.). 

 L. iittccjrifolio. Bigel. 



LakeOkobojl (B. W.). 

 L. jndchella'Bigel. 



Sioux City, base of loess mounds and in streets (B. W., 

 L. H. P.). 



LOBELIACE^E. 

 Lobelia syphilitica L. 



Sioux City (B. W.). 

 L. spicata Lam. 



Rock Valley (C. R. Ball), Sioux City (B. W.). 



CAMPANULACEiE. 



Campanula Americana L. 



Sioux City (B. W.), Hull (W. Newell). 



ERICACE^. 



Mdnotropa uniflora L, 



Smithland, in rich woods (B. W.). 



PRIMULACE^E. 



St'ironema ciliatum Raf. 



Rock Valley (J. Jensen and W. Newell), Sioux City (B.W.). 



