VVIOED FLORA OF IOWA 



Fig 30-B. Western "Wheat Grass (.Agropyron smithii). Common along rail- 

 roads and in northwestern Iowa. The distribution of A. smithii Is shown in 

 flg. C and o£ Slender "WTieat Grass (A. tenerum) in flg. D. a, empty glumes; 

 b. 'flowering glumes with flowers. 



FiQ. 30-C. Distribution of Western Wheat Grass. 



