No. 17.1 



AGRICULTURAL COLLEGE. 



97 



RHAMNA' 



New Jersey Tea. 



f 



Climbing Bitter- 

 Sweet. 



Waahoo. 



Bladder Nut. 

 Ohio Buckeye. 



Sweet Buckeye. 

 Sugar Maple. 



Silver Maple. 

 Box Elder, 



Milkwort. 



Seneca Snakeroot. 



13 



Ceanotlms Americaims, L. 



Ames; Charles City ; Grinnell ; Burlington. 



Ceanotlms ovalis, Bigelow. 



Ames ; Fayette. 



CELASTKACJ 



Celastrus scandens, L. 



Ames; Fayette; Burlington. 



Etionjmus atropurpureus, Jacq. 



Ames ; Fayette ; Burlington. 

 SAPINDACE.E. 



Staph jlea trifolia, L. 



Ames ; Charlas City ; Fayette ; Burlington. 



iEsculus glabra, WHld. 



Indianola. 



iE scums flava, Ait. 



Burlington. 



Acer saccharinum, Wan»\ 



Ames ; Charles City ; Fayette ; Burlington. 



V^ar. nigrum. 

 Fayette. 



Acer dasycarpuia, Ehrharr. 



Ames; Fayette; Burlington. 



JSegundo aceroides, Moench. 



Ames; Grinnell; Fayette; Burlington. 

 POLYGALACE^E. 



Polygala incarnata, L. 



Ames; Grinnell. 



Polygala sanguinea, L. 



Ames; Charles Citj . 



Polygala verticillata, L. 



Ames; Charles City. 



Polygala Senega, L. 



Burlington. 



