Reproduction in Relation to Agriculture 227 



U. S. Dept. of Agriculture 



FIG. 142. Vegetable trial grounds of the Office of Seed and Plant Introduction, 

 United States Department of Agriculture, Washington, D. C. 



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U. S. Dept. of Agriculture 



FIG. 143. Bulb trial grounds of the Office of Seed and Plant Introduction, United 

 States Department of Agriculture, Washington, D. C. 



