436 
VEGETABLE GARDENING 
626. Varieties. — Figure 100 shows some of the most 
important varieties. The shape is extremely varia- 
ble. While there are a great many so-called varie- 
ties in cultivation, not more than 10 or 12 are of great 
commercial importance. According to Miller (U. S. D. 
A. Farmers’ Bulletin 999), Big-Stem Jersey, Yellow 
Jersey and Red Jersey are the best representatives of the 
FIG. IOO. SOME OF THE COMMERCIAL TYPES OF SWEET 
POTATOES. (i) BLACK SPANISH OR “NIGGER CHOKER”; 
(2) LONG, JERSEY GROUP; (3) LONG, CYLINDRICAL TYPE; 
(4) RED BERMUDA; (5) SOUTHERN QUEEN. 
Jersey group (dry, mealy-fleshed varieties) and Nancy 
Hall, Porto Rico, Southern Queen, Pumpkin, and 
Georgia are the most important varieties of the yam group 
(moist-fleshed varieties). In selecting varieties for local 
sales, market demands should be considered. Red potatoes 
sell most quickly on some markets, others prefer white, 
and some prefer dry, others moist flesh. Soil and climatic 
conditions must also be regarded. 
