96 THE SWEET POTATO. 



Ticotea (Dooley). Southern States. 



Formula : 



Al B2 C2 D2 E2 Fl Gl H2-3 II Jl K3. 



Stems short, -i^ inch thick or thicker, green, with purple patches 

 around the axils of the leaves. The plant forms thick bunches. 



Star bright and large, veins very strongly marked purple on lower 

 surface. Hair scant along the veins, or almost absent. 



Type leaf Fig. 35. 



Trinidadian No. 1. Jamaica. 



Formula : 



A2 B2 CI D2 E2 Fl Gl HI 14 J2 K3. 



Stems usually less than 4 feet long, but occasionally more, very 

 hairy all over down to the base, ^ inch thick at thickest point, 

 purplish or purple. 



Star large and clear, running part way up the veins in very thin 

 lines. Practically all leaves are round. 



Hairs thin all over the upper surface. Lower surface of veins 

 strongly marked purple. 



Type leaf Fig. 38. 



Up River (Early Carolina). Various States of the I niuii. 



Formula : 



A5 Bl CI Dl El F2 G3 HI 12 J2 K2. 



Stems long, thin, less than % inch as a rule, never as much as 

 ^ inch thick, green. 



A faint purplish spot on the \inder side of the base of the midrib. 



Both round and lobed leaves frequent. Leaves usually less than 

 3 inches across. 



Type leaf Fig. 66. 



Van Ness Red. Wa&hington, D. C. 



Formula : 



A5 BI-2 CI Dl El-2 F2 G3 HI 14 J3 Kl. 



Stems long, less than % inch in diameter, with some stems a 

 little tliicker, green, with brownish patches where exposed. 



Leaves mostly less than 4 inches in diameter, sometimes a little 



