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. 



Fig. 143. 



U. S. Dept. of AgriculUtre 

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

 States Department of Agriculture, Washington, D. C. 



