No. 17.] AGRICULTURAL COLLEGE. 101 



Cockspur Thorn. Crataegus Crus-Galli, L. (?) 



Burlington. 



American Crab- PyrilS COl'Onaria, L. 



p P e ' Ames ; Grinnell ; Charles City ; Fayette ; Burlington. 



Service Berry. Amelancliier Canadensis, Torr. & Gr. 



Ames ; Indianola ; Fayette ; Burlingtc 

 SAXIFRAGACE.E. 



Wild Gooseberry. Bibes hirtellum, Miclix. 



Burlington. 



Wild Gooseberry. Ribes rotundifolium, Michx. 



Ames ; Fayette. 

 Wild Black Currant. Jftf^g fl ridum, L. 



Ames ; Fayette ; Burlington. 



Wild Hydrangea. Hydrangea arborescens, L. 



Fayette. 

 Grass of Parnassus. p amass i a Caroliniana, Michx. 

 Ames. 



swamp saxifrage. Saxifraga Pennsylvania, L. 



Grinnell ; Burlington. 



Alum Root. Heuchera hispida, Pursli. 



Ames; Grinnell ; Charles City ; Faye 

 CEASSULACE^. 



Ditch stone-crop. Pentborum sedoides, L. 



Ames ; Charles City. 



HALORAGE^E. 



Mermaid Weed. Proserpinaca palustris, L. 



Ames. 



OXAGRACE.E. 



Enchanter's Night- Circsea Lutetiana, L. 



shade. ' 



Ames ; Burlington. 



Gaura. Gaura biennis, L. 



Des Moines ; Indianola. 



Willow Herb. Epilobium coloratum, Mulil. 



Ames ; Charles City. 



