Varieties 133 



ity of these strains is also superior." ^ In addition to 

 the above description, it might be added that the vines 

 are long, slender and creeping. The leaves are small, 

 green on both sides and entire. The potatoes are late 

 in season to mature. This variety is a heavy yielder 

 and can be grown farther North with better success than 

 the moist-fleshed varieties. (See Plate JV.) 



Black Spanish. — This variety is identical with the 

 ISTigger Killer, or Negro Choker, described below. 



BsAziLiACir. — The roots of the Brazilian are large, 

 smooth, roundish and uniform in shape. The skin is 

 light yellow; the flesh white. It is a hardy variety 

 and very prolific, with a luxriant vine growth. 



Ceeola. — This is a heavy yielding variety, very 

 valuable for stock-food. The foliage is characterized as 

 follows: " Stem single, rather thin, white below sur- 

 face, deep ruby red above surface of ground. Leaf 

 somewhat inclined to be triangular. Margins entire. 

 Medium green above and grayish green underneath. 

 Vines light green, rather large. Petioles medium thick, 

 very long, light green color." ^ 



DooLBT Yam. — One of the best yielders and keepers 

 among the long list of strictly southern grown sweets is 

 the Dooley. This is an old variety and is well known 

 and extensively produced in all of the southern states. 

 The vines are slender but very long, often attaining a 

 length of 15 feet or more. They are dark green and 

 the leaves are entire with three to five tiny marginal- 

 points according to the age of the leaf. The dark 

 green vines blend into a greenish-purple color as the 



1 T. C. Johnson and J. T. Rosa, Jr., Bull. 19, p. 414, Va. Truck 

 Exp. Sta. 



2 T. C. Johnson, Va. Truck Exp. Sta., information to author. 



