350 



GRASSE5 OP IOWA. 



Fig. 161 



Fig. 160. Soft chess, (Bromus hordeaceus) . A grass extensively naturalized ia por- 

 tions of this state, but of little value as a forage plant, a, empty glumes; b, 

 flowariag glume; c, palea. (Div. Agrost. U. S. Dept. Agrl.) 



Fig. 161. Common chess, {Bromus secalinus). Widely distributed annual, frequently 

 occurring in wheat fields; but of little value as a forage plant in this state 

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



