GRASSES OF IOWA. 423 



Wickson, E. J.- 

 Grasses and forage plants. Rept. Univ. of Cal. Ag. Ex. Sta. 1890: 



201-220. Ec. 



Reports on grasses and forage plants, Rept. Univ. of Cal. Ag. Ex. Sta. 



1895-96: 271-304. Ec. 



Williams, Thomas A.— 



Co-operative grass and forage plant investigations with state experiment 

 stations. Cir. U. S. Dept. Agr. Div. Agros. 8: 16. Ec. 



Grasses and forage plants in the Dakotas. Bull. U. S. Dept. Agr. Div. 

 Agros. 6: 45. Ec. 



Millets. Far. Bull. U. S. Dept. Agr. Off. Ex. Sta. 101: 32. 5 f, 

 Ec. 



Renewing of worn-out native pastures. Cir. U. S. Dept. Agr. Div. 

 Agros. 4: 4. 4 f. Ec. 



Report upon the grasses and forage conditions of the Eastern Rocky 

 Mountain region. Bull. U. S. Dept. Agr. Div. Agros. 12: 78. Ec. 



Sorghum as a forage crop. Far. Bull. U. S. Dept. Agr. 50: 20. 

 1 f. Ec. 



Timothy in the Prairie region. Yr. Bk. U. S. Dept. Agr. 1896: 

 147-148. f. 49.30. Ec. 



Williams, Thomas A. and Shepard, J. H. — 



Native and introduced forage plants of South Dakota. Bull. S. D. Agr. 

 Coll. Ex. Sta. 40: 208. pi. 53. Syst. 



Wilson, A. S. — 



A bushel of corn. Edinburgh. 1883:346. Ec. 



Wooton, E. O. — 



Some New Mexico forage plants. Bull. N. M. Coll. Agr. and Mech. 

 Arts. Ex. Sta. 18: 57-95. 15 f. Ec. 



