Caesalpinia. |§DECANDRIA MONOGYNIA. 365 
panicle, or compound rageme, and one or two simple, 
single racemes from the axils next the panicle. _ .Bractes 
ovate-lanceolate, but dropping long before the flowers ex- 
pand. Flowers numerous, pretty large, yellow and fra- 
grant, Legume obliquely oval, smooth, compressed, cus- 
pidate. Seed solitary. 
12. C. tortuosa. R. 
Armed, subarboreous, with a long, weak, straggling 
trunk, and branches, Leaves bipinnate ; pinne and leaf- 
lets numerous ; common petiole armed. Racemes axil- 
lary. Legume from three to four-seeded, twisted, and 
contracted between the seeds. 
This dreadfully armed species is a native of the Island 
of Sumatra. From thence the seeds were sent by Dr, 
- Campbell, to the Botanic garden at Calcutta, in 1796. 
Now, October 1800, the trees are about fifteen feet high, 
with weak, slender trunks, and few still weaker subscan- 
dent branches, armed with numerous very sharp some- 
what incurved, subulate prickles, It blossoms in October : 
and the seeds are ripe in February. 
Leaves bipinnate, a foot or more long. Pinne from 
fifteen to twenty pair, opposite. Leaflets from twenty to 
forty pairs, opposite, tapering from the base to an obtuse 
point, smooth, firm, and shining, about half an inch 
long, andone-eighth of an inch broad. Petioles common, — 
keeled on the upperside, and armed with small recurved — 
Prickles underneath. Racemes axillary, erect, solitary, 
generally simple, subcylindric, rather longer than the 
leaves, Flowers scattered, very numerous, large, yel- 
low, slightly streaked with red near the base of the pe- 
tals. Bractes minute, caducous. Calyx here the lower. 
* division is uncommonly large. Coro! the two: pairs of 
lateral petals nearly equal, and almost round, the weer 5 
One much smaller, deeply emarginate, coloured, hav- a 
ing along claw. Filaments woolly, wien : 
