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.). 

 G. arvensis Hoffm. 



Maple River Junction (Bernholtz). 

 Krigia Dandelion Nutt. 



Sioux City (B.W.). 

 Lygodesm ia 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 Scariola L. 



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

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

 L. Canadensis L. 



Sioux City (B. W.). 

 L. integrifolia Bigel. 



LakeOkoboji (B. W.). 

 L. pulchella Bigel. 



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

 L. H. P.). 



LOBELIACE^. 



Lobelia sypldlitica L. 



Sioux City (B. W.). 

 L. spicata Lam. 



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



CAMPANULACE.E. 

 Campanula Americana L. 



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



ERICACE.*:. 

 Monotropa uniflora L. 



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



PRIMULACEtE. 



Steironema ciliatuni Raf. 



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



