IOWA ACADEMY OF SCIENCES. 
A. dasycarpum Ehrh. Soft, or White Maple. 
common along banks of streams. 
. Negundo aceroides Moench. Ash-leaved Maple. 
Elder. Common everywhere in rich soils. 
Staph ylea trifolia L. American Bladder Nut. 
hillsides. 
AnacardiacetE. Cashew Family. 
Rhus glabra L. Smooth Sumac. Common everywhere. 
R. toxicodendron L. Poison Ivy. Poison Oak. Common 
in woods and along fences. 
R. rcidicans L. A shrub 6 to 7 feet high. Rare. Found 
only one specimen near Drake ford on Middle river. 
Leguminos^e. Pulse Family. 
Baptisia leucophcea Nutt. Prairies and open- woods. 
Quite common. 
B. leucantha Torr. and Gray. Frequent. Upland and 
open woods. 
Trifolium pratense L. Red Clover. Introduced. 
T. reflexum L. Buffalo clover. Rare. 
T. stoloniferum Muhl. Running Buffalo Clover. Bare. 
T. repens L. White Clover. Everywhere common. 
T. hybridum L. Alsike Clover. Not common. Intro- 
duced. 
Melilotus alba Lam. White Melilot. Sweet Clover. 
Introduced. Quite common along roadsides. 
Medicago sativa L. Alfalfa. Rare. Introduced. 
Psoralea tenuiflora Pursh, Frequent; open woods and 
prairies. 
. P. melilotoides Michx. Not common. 
Amorp)ha canescens Nutt. Lead Plant. Prairies. Com- 
mon. 
A. fndicosa L. False Indigo. Wet places along sloughs 
and bottoms. Common. 
Petalostemon violaceus Michx. Prairie Clover. Prairies. 
Frequent. 
Tephrosia virginiana Pers. Goat’s Rue. Catgut. Uncom- 
mon. 
265 
Very 
Box- 
Rare ; 
