IOWA ACADEM-Y OP SCIENCES. 141 



R. canadensis Marsh. Wapello, Henry, Van Buren, and 

 Jefferson Cos. Rocky woods, frequent Also found near 

 Decatur Co. line, in Missouri. 



POLYGALACE^. 



Polygala senega L. Johnson Co. Woods, common. 



P. sanguinea L. Decatur, Appanoose, and Johnson Cos. 

 Fields, common. 



P. verticillata ambigua Gray. Decatur, Appanoose, Wapello, 

 Van Buren, and Johnson Cos. Fields and open woods, fre- 

 quent. 



LEGUMINOS^. 



Raptisia leucantha T. & G. Decatur, Appanoose, Wapello, 

 Des Moines, Shelby, and Johnson Cos. Fields and open woods, 

 common. 



B. leucophoea Nutt. Page, Decatur, Appanoose, Shelby, and 

 Johnson Cos. Open woods, common. 



Crotalaria sagittalis L. Johnson Co. Sandy soil, open 

 woods, frequent. 



Trifolium pratense L. Page, Decatur, Appanoose, Van Buren, 

 Wapello, Shelby, and Johnson Cos. Cultivated and in waste 

 places, common, 



T. reflexum L. Johnson Co. Sandy banks, infrequent 



T. repens L. Page, Decatur, Appanoose, Wapello, Van 

 Buren, Shelby, and Johnson Cos. Pastures and waysides, 

 common. 



T. hybridum L. Decatur, Shelby, and Johnson Cos. Fields 

 and waste places, frequent. 



Melilotus offlcinalis Willd. Decatur and Johnson Cos. Waste 

 places, infrequent. 



M. alba Lam. Decatur, Wapello, Des Moines, and Johnson 

 Cos. Waste places, common. 



Medicago sativa L. Decatur Co. Vacant lots, frequent. 



Psm-alea tenuiflora Pursh. Prairie, common. Decatur Co. 



P. argophyUa Pursh. Prairies, infrequent. Shelby Co. 



P. esculenta Pursh. Prairies, frequent. Shelby Co. 



Amorpha canescens Nutt. Decatur, Appanoose, Wapello, Van 

 Buren, Shelby, and Johnson Cos. Dry soil, open woods and 

 waysides, common. 



A. fruticosa L. Decatur, Appanoose, Wapello, Shelby, and 

 Johnson Cos. Along water courses, common. 



11 [la. Acad. Sci.. Vol. V J [June 17. 1898.] 



