198 
FLORA OF ADEN. 
Flowers sessile in small dense globose heads §• inch across, with 
minute bracts, on short ascending slender peduncles •§■ — ^ inch long, 
usually several together from old nodes on the branches ; elongating in 
fruit to 1^ — 2 inches. Calyx campanulate, teeth valvate. Corolla | inch 
long, yellow, inodorous. 
Pod 6 — 9 inches long, f — 1 inch wide, smooth, finely veined, the valves 
with elevated rounded thickened edges. Seeds 6 — 9, ovate, ^ inch long, 
inch wide, long diameter transverse, very much compressed ; testa 
smooth, shining, thin, crustaceous, brown. 
Distribution : — Penang. 
XIX. — COM HR ETA CEJ& 
Trees or shrubs ; leaves simple, entire ; without stipules. 
Flowers bracteate, usually sessile, bisexual, rarely polygamous, regular 
with a zygomorphic tendency. Calyx-tube adnate to ovary and produced 
beyond it, free portion 4 — 5-cleft ; segments valvate. Petals wanting, or 
small, inserted on the edge of the calyx-tube between its segments. 
Stamens as many as calyx-segments or twice their number, inserted 
inside the calyx ; anthers dehiscing longitudinally. Ovary inferior, 
1-celled, ovules 2 — 5, rarely more, on large funicles, pendulous from the 
apex of the cell. 
Fruit generally angled or winged; seed 1, without albumen. Embryo 
straight; radicle superior; cotyledons oily, generally convolute. 
Genera 15. Species about 320. 
Distribution : — Tropics of the whole world ; outside the tropics in 
S. Africa. 
1. Termiiialia Linn. 
Trees. Leaves alternate or subopposite, frequently crowded at the 
ends of the branches, often with glands on the petiole or at the base of 
the midrib beneath. 
Flowers green or white, rarely coloured, small, spicate, hermaphrodite 
or often the upper flowers on the spikes male and the lower hermaphro- 
dite. Calyx- tube ovoid ^or cylindric, constricted above the ovary ; limb 
of 5 short valvate triangular lobes, soon deciduous. Petals 0. Stamens 
10, inserted on the calyx-lobes, biseriate, the 5 lower opposite the calyx- 
teeth, the 5 upper longer and alternate with the calyx-teeth ; filaments 
subulate or filiform, exserted. Ovary inferior, 1-celled; ovules 2 — 3, 
pendulous from the apex of the cell ; style subulate, often thickened and 
villous at the base ; stigma simple. 
