Vines 



climbing by tendrils from upper end of pinnate leaves : 

 style thread-like, hairy only at apex : 16 



(Vetches), 

 style flattened, hairy along one side : 1 7 



(Vetchlings). 



without tendrils ; trailing, or climbing by twining 

 stalks or twisted leaf-stems : 



LEAVES SIMPLE: 



ALTERNATE (or clustered) : 

 Entire : 



trailing : 18-26, 29, 30, 32, 41, 44, 98 

 twining : 



flowers ^'-3' long : 26-31, 41 

 flowers less than ^' long : 32-35, 



44, 93-9 8 



Serrate (not lobed) : 36-38 



Lobed (or angled), not serrate : 26, 28, 29, 39-44 

 OPPOSITE (or whorled) : 

 Entire : 



without milky juice : 



twining or climbing : 45-50, 35, 59, 91 

 trailing: 50-54, 24, 91 

 with milky juice : 55-58 

 Serrate : 59-61, 53 



LEAVES COMPOUND : 

 PINNATE (or trifoliate) : 

 Alternate or clustered : 



leaflets 3, not serrate ; calyx-teeth 5 or more : 



62-70 



leaflets 3, not serrate : calyx-teeth 4 : 70-72 

 leaflets more than 3 (or if 3, serrate) : 73-76, 81-83 



Opposite: 77~79 

 PALMATE : leaflets 5 : 80 



305 



