IOWA ACADEMY OF SCIENCES. 131 



P. dumetorum L., var. scandens Gray. 

 Sioux City (B. W.). 



ARISTOLOCHIACE.'E. 



Asarum Canadense L. 

 Cherokee (B. W.)- 



ShepJierdia argentea Nutt. 



Sioux City, sandy backs of Missouri river (B. W. , L. H. 

 P., Hitchcock, Bot. Gazette, XIV, 128). 



EUPHORBIACEiE. 



Eujphorhia maculata L. 



Missouri Valley, Des Moines, Turin and Onawa; waste 

 places and along railroad (L. H. P.). 

 E. liypericifoUa. 



Onawa (L. H. P.), Sioux City (B. W.). 

 E. marginata Pursh. 



South Dakota, opposite Hawarden, hills, Missouri Valley, 

 Turin and in waste places (L. H. P.), Hull (W. Newell), 

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

 E. coroUata L. 



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

 E. serpens H. B. K. 



Missouri Valley, low grounds (L. H. P.). 

 E. serpyllifolia Pers, 



Turin (L. H. P.). Sioux City (B. W.). 

 Var. consanguinea. 



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

 E. glyptosperma Engelm. 



Missouri Valley (L. H. P.). 

 Var. puhescens. 



Turin (L. H. P.). 

 E. hexagona Nutt. 



Missouri Valley (L. H. P.), Sioux City (B. \V.). 

 E. 6^e?/en Engelm. 



Missouri Valley (L. H. P.) 

 E. lieteropliyUa L. 



Sioux Ci^y, in woods, Council Bluffs (L. H. P.); Sioux City 

 (B. W ). 

 E. obtusata Push. 



Sioux City (B. W.). 

 Acalypha Virginica L. 



Sioux City (B. W.) 



