Figure I. A. Y-shaped tomato plant. Left branch treated near middle with 

 /?-chlorophenoxyacetic acid 20 mg./g. of lanolin. Note modified new leaves 

 and flowers of shoot on right. B. Enlargement of "A" showing parthenocarpy 

 before flower opened. C. Tomato leaves. Upper row from one plant; lower 

 row, modified shoots and leaves taken at random from plants treated with 

 chlorophenoxyacetic acid compounds. 



