GRASSES OF IOWA. 317 



Agropyron caninum (L.) Beau v. Beal. Grasses of N. A. 2:639. 

 1896. 



Agropyron caninum (L) R. and S. Nash in Britton and Brown. 111. PI. 

 1: 228. f. 52S. 1896. (in part.) 



Agropyrum caninum Beauv. Shear. Bull. U. S. Dept. Agrl. Div. Agros. 

 4: 29. 1897. 



Agropyrum caninoides Beal. Grasses of N. A. 2: 640. 1896. 



DESCRIPTION. 



Awned Wheat Grass. A rather slender grass, i to 3 feet (2-6 

 dm.) high, with no creeping root-stock. Sheaths smooth, or the lower 

 hairy; ligule short; leaf-blade flat, pubescent above, smooth below. 



Fio 223. Agropyron caninum— a., 

 empty glumes: b, flowering glume. 

 (Charlotte M. King ) 



Fig. 224. Agropyron tenerum—a, empty 

 glumes; b, flowering glumes, with flowers. (Div. 

 Agros. U. S. Dept. Agrl.) 



