iU THE {sWEET POTATO. 



Red Nan»®inni®nd i Ked NanceiiKm.l— lU-.l Bermiula > . Louisiana. 



l''omiula : 



A5 Bl-2 CI U4 El 2 K I Gl IJ2 14 J2 K2-3. 



Stems long, between Vs and & inch thick, purple. 

 Star clear, lower surface of veins strongly marked purple. 

 Hair scant along veins and li[i of median lobe.. 

 Most leaves a little less than -I: inches across, especially the round 

 ones, but many measure more ihnii 4 inches. 

 Type leaf Fig. 72. 



Red SeeAy. Jamaica. 



I'ormula t 



A4 P.1-2 C2 D2 E2 Fl Gl HI 13 Jl K2. 



Stems about :i feet long. Plant bushy. Stems i\s inch in diameter, 

 green, with a purplish crescent around the base of each petiole, which 

 sometimes extends slightly over the side of the stem. 



Star small, but bright. Veins purple below. Hair all over upper 

 surface of leaf. 



Type leaf Fig. 57. 



Roosevelt. Jamaica. 



Formula : 



A3 B2 CI D2 E2 Fl Gl HS II Jl Kl-2. 



Stems long, ife inch in diameter at the thicke-t point, greenish- 

 brown, with purple around the axils of the leaves. 

 Star small and bright. 



Lower surface of veins well marked purple. 

 Hair absent. 

 Type leaf Fig. 46. 

 Large leaves often over 5 inches across. 



Shanghai. Washington, D. C. 



I'^ormula : 



A2 B2 C2 D2 E2 Fl Gl H2 11-2 Jl Kl. 



Stems less than 4 feet long, -f.j inch thick or thicker, green, with 



)>urple marks around the axils of the. leaves and in other places. 



Star very small, veins purple on lower surface in old leaves. 



