200 
IOWA ACADEMY OF SCIENCES. 
Leguminosa:. 
Amorpha canescens Nutt. Lead Plant. 
Common on the prairies. 
Amorpha fruticosa Linn. False Indigo. 
Very common on wet, swampy ground on bottoms and 
along sloughs. 
Rosace^e. 
Primus americana Marsh. Wild Plum. 
Common everywhere on rich soils. 
Prunus pennsylvanica L. f. Wild Red Cherry. 
Rare. 
Prunus virginiana Linn. Choke Cherry. 
Common. Found in rich soils with the plum. 
Prunus serotina Ehrh. Wild Cherry. Black Cherry. 
Very common everywhere. 
Physocarpus opulifolius Maxim. Ninebark. 
Frequent along banks of streams and ravines. 
Ruhus villosus Ait. Blackberry. 
Common on slopes of hills. Much killed by pasturing. 
Puhus occidentalis Linn. Black Raspberry. 
Not so common as the Blackberry, and found in the 
same localities. 
Rosa hlanda Aiton. Wild Rose. 
Very common. 
Rosa Arkansana Port. 
Found on the prairies. 
Pyrus coronaria Linn. American Crab- Apple. 
Very common, growing in clumps in rich soil, along 
with the Plum. 
Cratcegus coccinea Linn. Red Haw. Hawthorn. 
Not common. 
Cratcegus crus-gaili Linn. Cockspur Thorn. 
Rare. 
Cratcegus tomentoso 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. 
