126 



AGRICULTURAL COLLEGE. 



[No. 17 



Quack, or Triticum repens, L. 



Gra6S - Ames. 



Introduced ? 



Squirrel-tail Grass. Hordeiim jubatum, L. 

 Ames. 

 Found along railroad. Perhaps introduced. 



Elymus Canadensis, L. 



Ames. 



Wild Rye. 



Finger-Grass. 



Prairie Grass. 



Old Witch Grass. 



Bottle-brush Grass. Gymnostichum Hystrix, Schreb. 



Ames. 



Vanilla Grass. Hierochloa borealis. Poem & Schultes. 



Ames. 

 In dry woods ! 



Sweet Vernal Grass. Anthoxanthum odoratum, L. 



Ames. 

 Introduced. 



Panicum glabrum, Gaudin. 



Ames. 



Panicum sanguinale, L. 



Ames. 



Panicum agrostoides, L. 



Ames. 

 Panicum capillare, L. 



Ames. Common. 

 Breaks off" at the ground in early winter, and blows all over the 

 prairies. 



Panicum latifolium, L. 



Ames. 



Panicum xanthopliysum, Gray. 



Ames. 



Panicum dichotomum, L. 



Ames. 

 Several forms of this variable species are found here. 



Panicum Criis-galli, L. 



Ames. 

 Introduced. A weed. 



Setaria viridis, Beauv. 



Ames. 

 A weed in fields and gardens. 



S and Bur, or Bur CenclirilS tribuloides, L. 

 Grass. Cedar Rapids. 



Barnyard Grass. 



Green Foxtail. 



