SKEET-POTATO 



433 



Group II. Leaves deeply cut ; vines long. 



Group III. Leaves shouldered, or very slightly lobed 

 (Fig. 190) ; -^-ines long. 



Group lY. Leaves with margins entire or nearly un- 

 broken by lobes or shoulders (Fig. 190j ; 

 vines long. 



Each of these groups, except possiblj- the ^-ineless varieties, 

 roay be subdivided into three classes, according to the texture 



Fig. 189. — A Branch of a Vineless Sweet-potato Plant. 

 Showing crowded position of leaf-stems. (After Price.) 



and flavor, which may be either sirupy, mealy, or intermediate. 

 Each of these subdiWsions maj' be further subdiWded into three 

 groups, according to whether the uncooked flesh is ^-ellow, white 



Fig. 190. — Three Sh.ipes of .Sweet-potato Le.wes. 



On left, cut-leaf type ; in center, shouldered leaf ; and on right, entire 

 or " round " leaf. 

 2f 



