GRASSES OF IOWA. 



405 



Fig. 188. Elymus striatus. Comm'in in low ground. :F. Lamson-Scribner, 

 Div. Agrost. D. S. Dept. Agrl.) 



NAIURVL CONDITION. 



1. Bull. South Dakota Agrl. Exp. .Sta. 40 : li7. 

 3. Bull. Tennessee Agrl E.xp. Sta. Vol. IX. No. 3 111. 

 3. U. S. Dept. Agrl. E.xp. Sti. Rec. 6:101. 



* Amount of water is for natural condition, and other percentages are 

 for water free substancee. 



