100 



AGRICULTURAL COLLEGE. 



LNo. 17. 



Choke Cherry. 

 Wild Black Cherry. 

 Nine-Bark. 

 Meadow-Sweet. 



Agrimony. 

 Avens. 



Primus Virginiana, L. 



Ames ; Charles City ; Fayette ; Burlington. 



Primus serotina, Ehrliart. 



Ames ; Grinnell ; Fayette ; Burlington. 



Spiraea opulifolia, L. 



Charles City. 



Spiraea salicifolia, L. 



Charles City. 



Agrimonia Eupatoria, L. 



Ames ; Charles City. 



Geum album, Gmelin. 



Ames. 



Geum trinorum, Pursh. 



Charles City ; Fayette. 



Norway Cinque-foil. Potentilla Norvegica, L. 

 Ames. 



Common Cinque-foii Potentilla Canadensis, L. 



Ames ; Charles City ; Fayette ; Burlington. 



Potentilla arguta, Pursli. 



Ames ; Grinnell ; Charles City. 



Wild strawberry. Fragaria Yirginiana, Ehrliart. (var. Illinoensis.) 



Ames. 



Wild Red Raspberry Rubus StrigOSUS, MicllX. 



Ames ; Charles City ; Fayette. 



Rubus occiden talis, L. 



Ames ; Charles City ; Fayette ; Burlington. 



Wild Black Rasp 

 berry. 



Wild Blackberry. 



Wild Rose. 



Wild Rose. 



Black Thorn. 



Rubus villosus, Ait. 



Ames ; Charles City ; Fayette ; Burlington. 



Rosa lucida, Ehrliart. 



Ames ; Burlington. 



Rosa blanda, Ait. 



Ames ; Fayette. These two species of Rosa seem to be too 

 nearly alike. 



Crataegus tomentosa, L. 



Ames ; Indianola ; Fayette. 



Var. punctata. Gray. 



Ames. Other forms are found in abundance, but they 

 m to be not sulliciently fixed, for classifying. 



