June, 1933] Pollination and Fruit Setting in the Apple 



Fig. 4. Cross section of apple flower, a. Sepal or calyx, b. Petal, 

 c. Filament of stamen, d. Anther of stamen, containing pollen, e. Pis- 

 til, f. Stigma of pistil, g. Ovary containing ovules. It is the ovary and 

 the adjacent fleshy parts of the flower that ultimately become the fruit. 



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Fig. 5. Upper portion of stamen (Mcintosh), a. Anther (40x). 



b. Filament. 



