Bul. 1021, U. 8. Dept. of Agriculture. 



Plate VII. 



y 



M-/. 



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American Varieties of Sweet Potatoes. IV. 



Fk; 1 Pumpkin Yam, a representative of the Pumpkin group. Fie. 2. — Foliage 



of the Pumpkin Yam. mature (above) and immature (below). Fig. 6.— 

 Dooley, a popular variety and a representative of the Pumpkin group, b ig^ 

 4. Red Jersey, a member of the Jersey group, largely grown for commercial 



purposes. 



