558 
XLVII. LEGUMINOS^. 
[A brus. 
Flowers capitate; pod opening whole length; 
bush . . . . . . .61. Leuc-zena 
Flowers capitate; pod with persistent sutures, 
valves segmented . . . . .62. Mimosa 
Stamens indefinite, often very numerous, free 63. Acacia 
Stamens connate in a tube at base. 
Flowers large; pod septate between seeds 
fleshy . . . . . . .64. Serianthes 
Flowers small; pod thin flat . . .65. Albizzia 
Flowers medium ; pod curved, red or brown 
coriaceous ...... 66 . Pithecolobium 
(A) PAPILIONACE.E (Genera 1-41). 
1. ARRUS, Linn. 
Slender climber. Leaves of numerous membranous leaflets. 
Flowers small, in dense axillary peduncled racemes. Calyx cam- 
panulate; teeth very short. Corolla much exsert, standard ovate 
acute, adhering below to the staminal tube; wings narrow, keel 
curved. Stamens 9, united in a slit tube; anthers uniform. Ovary 
sub-sessile, many-ovuled; style short, beardless. Pod oblong, 
flat or turgid. Seed globose, red or red and black. 
Pod oblong, turgid, 3- to 5-seeded .... (1) A. precatorius 
Pod linear, flat 8- to 12-seeded . . . . (2) A. pulchellus 
(1) A. precatorius Linn. Syst. Veg. ed. xii. 472 ; Baker, in Hook, 
fil. F.B.I. ii. 175; Brain, l.c . 34. 
Much-branched slender climber, glabrous or thinly silky. Leaves 
2 to 3 in. long; leaflets 10 to 20 pairs, glabrous above, silky beneath, 
ligulate-oblong -35 to -65 in. long, -15 to *2 in. wide. Racemes 
many-flowered 2 in. long. Calyx -i in. long silky. Corolla -5 in. 
long, white tinted pink. Pod.oblong, turgid, 1 to i'5 in. long, 
*4 to -5 in. wide, 3- to 5-seeded. Seed scarlet with black hilum 
(rarely white). Hab. Seashores and hedges in dry spots. Common. 
Singapore, Telok Kurau ; Changi, Pahang, Pekan. Malacca, 
Selandor; Pengkalan Minyak (Cantley) . SungeiUjong. Dindings, 
Pangkor (Scortechini). Penang, Batu Feringhi (Curtis). Perlis, 
Kanga. Distrib. Whole world. Native names: Akar Belimbing; 
Akar Saga betina. 
(2) A. pulchellus Wall. Cat. 5819 ; Baker, l.c. 175 ; Brain , l.c. 35. 
Slender climber. Leaves 3 to 4 in. long ; leaflets 12 to 16 pairs 
ligulate-oblong silky beneath, 75 to 1-25 in. long, *25 to *35 in. 
wide. Racemes lax, long-peduncled, 7 in. long, rather stout. 
Calyx -i in. long. Corolla -5 in. long pale pink. Pod linear flat 
incurved, 2 to 2*5 in. long, -5 in. wide; valves thin 8- to 12-seeded. 
Hab. Hedges. Pahang, Labong Endau (Evans). Selangor, Batu 
Caves. Negri Sembilan, Seremban. Perak, Tapah. Lankawi, 
Kwah (Ridley). Distrib. South Africa and S.E. Asia. Native 
name : Akar Kachang Inai. Use : Roots used in colic. 
