No. 17.] 



AGRICULTURAL COLLEGE. 



123 



G reat Solomon's polygonatum giganteum, Dietrich. 



8eaL Ames ; Grinnell. 



Wild Orange-red Lilium Philadelphicum, L. 



Lily. Ames ; Grinnell ; Charles City ; Burlington. 



Turk's-cap Lily. Lilium superbum, L. 



Ames ; Charles City ; Burlington. 



Yellow Adder's Erytlironium Americanum, Smith. 

 Tongue. Fayette. 



White Dog's-tooth Erytlironium albidum, Nutt. 

 Violet. 



Ames ; indianola ; Grinnell ; Fayette ; Burlington 



Wild Leek. 



Wild Garlic. 



Allium tricoccum, Ait. 

 Ames. 



Allium Canadense, Kalm. 



Ames ; Charles City. 



JOTCACE.fi. 



Rush. 



Juncus tenuis, Willd. 



Ames. 



COMMELYNACEiE. 



Spiderwort. Tradescantia Yirginica, L. 



Ames ; Charles City ; Grinnell ; Burlington 



Tradescantia pilosa, Lehm. 



Fayette. 



CYPERACE^E. 



Gaiingaie. Cyperus Michauxianus, Schultes. 



Ames. 



Spike Rush. Eleocharis palustris, R. Br. 



Ames. 



Eleocharis acicularis, R. Br. 



Ames. 



Great Bulrush. Scirpus validus, Yalll. 



Ames. 



Scirpus atrovirens, Muhl. 



Ames. 



Cotton Grass. Eriophorum polystachyon, L. 



Ames ; Grinnell. 



