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: 17 
(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, 93-98 
Serrate (not lobed) : 36-38 
Lobed (or angled), not serrate: 26, 28, 29, 39-44 
OPpposITE (or whorled) : 
Entire: 
without milky juice: 
twining or climbing : 45-50, 35, 59, gI 
trailing: 50-54, 24, gI 
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 
