54 



WEED FLORA OF IOWA 



Moines, Mason City, Nora Springs, Ontario, Pilot Mound and in 

 Hamilton county. It is especially common in the loess soil from 



Pig. 30. Quack Grass, Quick Grass, Scutch Grass (Agropyron repens). Fields, 

 waste places, around elevators, meadows, roadsides and pastures, especially- 

 northern Iowa. 



(After Clark and Fletcher.) 



