GRASSES OF IOWA. 



333 



Fig. 235. 



Hurdeum jubatum -a, spikelet. 

 Agros. U. S. Dept. Agrl. ) 



t Div. 



Fig. 236. Hurdeum nodosum— a, spikelet. (Div. 

 Agros. U. S. Dept. Agrl.) 



opposite Hawarden (Pammel) ; Le Claire (F. Rolfs) ; Ames (C. A. 

 Wilson, Bessey, Beardslee, Reynolds, Taylor, 1154 Louthan, Hitch- 

 cock, 1 165 Stewart, Miss Gaylord, Carver) ; Rock Rapids, Mason City 

 "(Shimek) ; Calhoun County (Rigg) ; Pottawattamie County (Cam- 

 eron), Newton (Misses Cavanagh and Dilne) ; Muscatine (Reppert) ; 

 Greenfield (Stewart) ; Sioux City (Miss Wakefield) ; 1072 Emmet 

 County (Cratty) ; Taylor County 11 14 (Pool); Battle Creek 953 

 (Preston) ; Mason City (Parker) ; Clinton (Ball) ; 3248 Beaver 

 (Pammel and Kinzer) ; Grundy Center, 3251 (Miss Paddock) ; 3277 

 Ontario (Faurot) ; 3334 Marathon (Roberts) ; 3212 Calmar Junction 

 (Pammel) ; 1 Ames (Ball) ; Harcourt (Danielson) ; Wheatland 



