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



Plate IV. 



American Varieties of Sweet Potatoes. I. 



Fig. 1. — The Vineless Pumpkin Yam, a representative of the Belmont group, Bel- 

 mont section. Fig. 2. — Mature and immature foliage of the Vineless Pumpkin 

 Yam. Fig. 3. — Bunch Candy Yam, a representative of the Belmont group. 

 Bunch section. Fig. 4. — Yellow Strasburg, a representative of the Spanish 

 group, Spanish section ; a heavy yielder of very irregular potatoes of fair 

 quality. 



