126 



AGRICULTURAL COLLEGE. 



[No. 17 



Quack, or Triticum repens, L. 



Grass - Ames. 



Introduced ? 



Squirrel-tail Grass. Hordeum 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, Eoem & 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 xanthophysum, Gray. 



Ames. 



Panicum dichotomum, L. 



Ames. 

 Several forms of this variable species are found here. 



Panicum Crus-gaili, L. 



Ames. 

 Introduced. A weed. 



Setaria viridis, Beauv. 



Ames. 

 A weed in fields and gardens. 



gand Bur, or Bur Oenchrus tribuloides, L. 



Q ra8S . Cedar Rapids. 



Barnyard Grass. 



Green Foxtail. * 



