XXX. LEGUMINOSiE 
141 
Vigna vexillata, Benth. ; FI. Br. Ind. ii. 206. A perennial, 
roughly hairy herb ; rootstock thick, woody ; stems twining or 
trailing, 3-5 ft., hairy. Leaflets 3, nearly equal, not lobed, entire, 
long-pointed, variable in shape, ovate-lanceolate about 2J x 1| in., 
or narrowly lanceolate about 3 X§ in.; lateral nearly sessile, 
terminal one stalked. Flowers pink or red, turning blue-purple 
as they fade, 1-1| in. long, in a cluster of 2-4 at the end of naked, 
axillary stalks 6-18 in. long. Calyx-tube bell-shaped ; teeth 5, 
long, lanceolate, nearly equal, distinct. Petals much longer than 
the calyx : standard orbicular, spreading ; keel strongly incurved 
but not spirally twisted, obtuse. Upper stamen free, others 
united. Style incurved, bearded below the obliquely placed 
stigma. Pod densely hairy, flat, 2-3 in., acute ; seeds 10-15, 
separated by pith-like partitions. 
Simla, on grassy slopes ; August, September. — Hilly districts throughout 
India, ascending to 8000 ft. — Nearly all tropical regions, S. Africa, Australia. 
34. DOLICHOS. From the Greek dolichos, long, probably 
referring to the long, twining stems of some species. — Tropical 
regions. 
Dolichos biflorus, Linn. ; FI. Br. Ind. ii. 210. An annual, hairy 
herb ; stems nearly erect ; branches climbing. Leaves of 3 leaflets ; 
leaflets nearly equal, often lobed, entire, ovate -lanceolate, 1-2 in., 
acute, lateral nearly sessile, terminal one stalked. Flowers yellow, 
in. long, solitary or in small, axillary, nearly sessile clusters. 
Calyx-tube very short ; teeth 5, long, nearly equal, very narrow, the 
two upper partially united. Petals longer than the calyx : standard 
ovate, spreading, with 2 small, membranous, fringed, dark brown 
pouches in the centre ; keel slightly incurved, obtuse. Upper 
stamen free, others united. Style slender, incurved, glabrous 
except a ring of minute hairs just below the terminal stigma. 
Pod flat, curved, l|~2xj in., hairy, tipped with the persistent, 
hook-like style-base ; seeds 5-7. 
Valleys below Simla ; August, September. — Throughout India, ascending 
to 5000 ft. — Tropical regions of the Old World. 
Widely cultivated for fodder ; native name Khidti. 
Dolichos Lablab is cultivated throughout India and up to 6000 ft. A 
twining, perennial herb ; roots tuberous. Leaflets broadly ovate, 2-3 in., long- 
pointed. Flowers -J—f in. long, white or pale purple, racemed. Style thickened 
upwards, bearded along the inner side. Pod glabrous, oblong, l|-2 x|-| in., 
tipped with the persistent style-base. Native name Sem or Sembi. 
35. ATYLOSIA. From the Greek a, without, and iylos, a 
callosity ; the standard is without the hard, basal protuberances 
characteristic of some genera. — Tropical Asia, Madagascar, 
Australia. 
Tomentose or hairy shrubs ; stems twining or trailing. 
Leaves of 3 leaflets, lower surface more or less covered with 
