IOWA ACADEMY OF SCIENCES. 115 



Ceanothus Americanus L. 



Turin, Missouri Valley, loess hills in open, grassy places 

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

 C. ovatus Best. 



Council Bluffs, sides and tops of loess mounds (L. H. P.). 



VITACE^. 



Vitis riparia Michx. 



Sioux City, valleys between loess mounds in wood s (L. H. P. ) ; 

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

 Ampelo'psis quinrpiefolia Michx. 



Sioux City, in woods; common (B. W.). 



SAPINDACE^. 



Acer dasycarjmm Ehrh. 



Sioux City, Hawarden; abundant in alluvial bottoms, along 

 Big Sioux and Missouri rivers (L. H. P.). 

 Negundo aceroides Moench. 



Sioux City, frequent along streams (B. W.). 

 Staphylea trifolia L. 



Sioux City, in valleys between loess hills (B. W.). 



ANACARDIACE^. 



Bhus glabra L. 



Sioux City, common border of loess mounds (B. W.) South 

 Dakota, c pposite Hawarden (L. H. P.). 

 E. Toxicodendron L. 



Sioux City, common in valleys between loess mounds 

 (B. W.). 



POLYGALACE^E. 

 Pulygcda verliciUata L. 



Sioux City, loess mounds (L. H. P. and B. W.). 



LEGUMINOS.E. 



Baptisia leucantha Torr. and Gray. 



Battle Creek, low places, prairie (E. G. Preston), Cherokee 

 (B. W.). 

 Crotalaria sagittalis L. 



Sioux City, bank of Big Sioux river. Cedar Bluffs (B. W.). 

 TrifoUum pralense L. 



Sioux City (B. W.). 

 T. stoloniferum Muhl. 



Sioux City (B. W.). 

 T. repens L. 



SioUx City (B. W ). 



