Bui. 1195, U. S. Dept. of Agriculture. 



Plate VII. 



Fig. I. — Potato Flowers, Showing Early Development of Seed Balls. 



Toprow. -McConnick. From left to ritiht: Old llowcr, very old withered corolla, small ovary, 

 and small fruit, ri^suUing from pollination. Middle and liottom rows.— .'Sensation and Pearl 

 of Cannon Valley, respectively, showing early development of pistils into parthenocarpic 

 fruits while stamens are still fresh. 



Fig. 2. — Parthenocarpic Fruits Produced by the Rural New 



Yorker Potato. 



