320 



GRASSES OF IOWA. 



Fig. 225. Agropyron occide?itale—a, empty 

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

 Agros. U. S. Dept. Agrl.) 



Fig. 226. Auropyron occidentale var. 

 inolle— a, spikelec ; b, d, flowering glume; 

 c, palet and anther ; e, empty glumes. 

 (Div. Agros. U. S. Dept. Agrl.) 



Stevens, C. A. Wilson, Sirrine, P. H. Rolfs) ; Harcourt (Danielson) ; 

 Hamilton County (P. H. Rolfs) ; 3190 Hampton (Peck) ; 3292 Afton 

 Junction (Miller); 3275 Ontario (Faurot) ; 377 Macedonia (Stem- 

 pel) ; 1 128 Alden (Stevens) ; 305 Pilot Mound (Miss King and Mac- 

 Corkindale) ; 951 Battle Creek (Preston) ; Twin Lake Township, Cal- 

 houn County (Rigg) ; Mason City (Shimek) ; Hedrick (J. T. Brooks) ; 

 Emmet County (Cratty) ; Farragut, Spirit Lake, Forest City, Rock 

 Rapids (Shimek); Nora Springs (Gaylord) ; Milford (Shimek); Ft. 

 Dodge (Oleson). 



