Bui. 195, U. S. Dept. of Agriculture. 



Plate II. 



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Fig. 1 .— Two Potato Flower Cymes, Showing the Proper Stage at Which the 

 Blossom Should be Emasculated. 



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Fig. 2.— The Same Flower Cymes Shown in Figure 1 after Emasculation. All 

 Immature Buds and Mature Flowers have been Removed. 



