No. 17.1 AGRICULTURAL COLLEGE. 101 



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



Burlington. 



American Crab- PjniS COrO-naria, L. 

 Apple " Ames ; Grinnell ; Charles City ; Fayette ; Burlington. 



Service Berry. Amelancliier Canadensis, Torr. & Gr. 



Ames ; Indianola ; Fayette ; Burlingtc 

 SAXIFRAGACE^E. 



Wild Gooseberry. Ribes hirtellum, Michx. 



Burlington. 



Wild Gooseberry. Ribes rotundifolium, Michx. 



Ames ; Fayette. 

 Wild Black Currant. pjj )es fl riduin, L. 



Ames ; Fayette ; Burlington. 



Wild Hydrangea. Hydrangea arborescens, L. 



Fayette. 

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

 Ames. 



swamp saxifrage. g axi f raga Perm sylvan ica, L. 



Grinnell ; Burlington. 



Alum Root. Heuchera hispida, Pursh. 



Ames; Grinnell ; Charles City ; Fayt 

 CRASSULACE^. 



Ditch stone-crop. Penthorum sedoides, L. 



Ames ; Charles City. 



HALORAGE.E. 



Mermaid Weed. Proserpinaca palustris, L. 



Ames. 



ONAGRACEJE. 



Enchanter's Night- Circsea Lutetiana, L. 



shade. 7 



Ames ; Burlington. 



Gaura. Gaura biennis, L. 



Des Moines ; Indianola. 



Willow Herb. Epilobium coloratum, Muhl. 



Ames ; Charles City. 



