Bui. 201, U. S. Dept. of Agr 



culture. Plate IV. 



, 1.— Andropogon To.ireyanus from Seed Sown the Previous Season above 

 a Low Earthen Dam, Thrown up on Desert Mesas Near Tucson, Ariz. 



Fig. 2. 



■Native Pasture Lands in the Foothills, Fresno County, Cal., Showing 

 Introduced Brome-Grasses That Are Almost Entirely Weedy. 



