IOWA ACADEMY OF SCIENCES. 143 



Csissia marylandica L. Ringgold and Appanoose Cos. Rich 

 woods, infrequent. Found in Missouri, opposite Decatur Co. 



G. chamcecrista L. Decatur, Appanoose, Wapello, and John- 

 son Cos. Fields and waysides, common. 



Gymnocladus canadensis Lam. Decatur and Johnson Cos. 

 Rich woods, infrequent. 



Gleditschia triacanathos L. Decatur, Appanoose, VanBuren, 

 Shelby, and Johnson Cos. Rich woods, common. 



ROSACEA. 



Prunus americana Marsh. Decatur, Appanoose, Van Buren, 

 Shelby, and Johnson Cos. Thickets, common. 



P. serotina Ehrh. Decatur, Appanoose, Shelby, and John- 

 son Cos. Woods, frequent. 



P. virginiana L. Decatur, Shelby, Page, and Johnson Cos. 

 Low woods, frequent. 



Spiraea salicifolia L; Henry and Johnson Cos. Rocky woods, 

 frequent. 



Physocarpus opulifolius Maxim. Decatur and Johnson Cos. 

 Rocky woods, frequent. 



Rubu8 occidentalis L. Page, Decatur, Appanoose, Van Buren, 

 Shelby and Johnson Cos. Woods and fence rows, frequent. 



B. villosu? Ait. Decatur, Appanoose, Van Buren, Shelby, 

 and Johnson Cos. Woods, common. 



P. canadensis L. Decatur and Appanoose Cos. Poor soil, 

 fields, common. 



Geum album Gmelin. Decatur, Appanoose, and Johnson 

 Cos. Open woods, frequent. 



G. virginianum L. Decatur Co. Low grounds, infrequent. 



Fragaria virginiana Mill. Decatur, Shelby, and Johnson Cos. 

 Fields and woods, common. 



F. vesca L. Shelby, Page, and Johnson Cos. Woods, infre- 

 quent. 



Potentilla arguta Pursh. Decatur, Appanoose, Shelby, and 

 Johnson Cos. Prairies, common. 



P. norvegica L. Decatur, Shelby, and Johnson Cos. Fields, 

 common. 



P. canadensis L. Decatur and Johnson Cos. Waysides and 

 open woods, common. 



Agrimonia eupatoria L. Decatur, Appanoose, Van Buren, 

 and Johnson Cos. Woods, common. 



