200 IOWA ACADEMY OF SCIENCES. 



Leguminos^. 

 Amorpha canescens Nutt. Lead Plant. 



Common on the prairies. 

 Amorpha frutkosa Linn. False Indigo. 



Very common on wet, swampy ground on bottoms and 

 along sloughs. 



Rosacea. 



Pruniis cnnericana Marsh. Wild Plum. 



Common everywhere on rich soils. 

 Prumis pennsylva nica L.f. Wild Red Cherry. 



Rare. 

 Pninus virginiana Linn. Choke Cherry. 



Common. Found in rich soils with the plum. 

 PruiiKS serotina Ehrh. Wild Cherry. Black Cherry. 



Very common everywhere. 

 Physocarpus opulifolius Maxim. Einebark. 



Frequent along banks of streams and ravines. 

 Rnhus villosHS Ait. Blackberry. 



Common on slopes of hills. Much killed by pasturing. 

 Buhiis occidentalis Linn. Black Raspberry. 



Not so common as the Blackberry, and found in the 

 same localities. 



Rosa hlanda Alton. Wild Rose. 



Very common. 

 Rosa Arkansana Port. 



Found on the prairies. 

 Pyriis coronaria Linn. American Crab- Apple. 



Very common, growing in clumps in rich soil, along 

 with the Plum. 

 Crafcegus coccinea Linn. Red Haw. Hawthorn. 



Not common. 

 CmUegus cnis-gaUi Linn. Cockspur Thorn. 



Rare. 

 CraUegus tome}itoso Linn. Thorn Apple. 



Very common. Found same localities with Plum and 

 Crab-Apple. 

 Amelanchier canadensis T. & G. June-berry. Service- 

 berry. 



Common on steep hillsides along ravines. 



