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 Erythronium Americanum, Smith. 



Tongue. Fayette. 

 White Dog's-tooth Erythronium albidum, Nutt. 



Violet. 



Ames ; Indianola ; Grinnell ; Fayette ; Burlington 



Wild Leek. 



Wild Garlic. 



Allium tricoccum, Ait. 



Ames. 



Allium Canadense, Kalm. 



Ames ; Charles City. 



JUNCACE.E. 



Rush. 



Juncus tenuis, Willd. 



Ames. 



COMMEL YNACE J& . 



Spiderwort. Tradescantia Yirginica, L. 



Ames ; Charles City ; Grinnell ; Burlington 



Tradescantia pilosa, Lehm. 



Fayette. 



CYPERACE.E. 



Cotton Grass. 



Cyperus Michauxianus, Schultes. 



Ames. 



Eleocharis palustris, K. Br. 



Galingale. 

 Spike Rush. 



Eleocharis acicularis, R. Br. 



Ames. 



Great Bulrush. ScirpuS validllS, Yalll. 



Ames. 



Scirpus atrovirens, Muhl. 

 Ames. 



Eriophorum polystachyon, L. 

 Ames ; Grinnell. 



