180 
fLORA Of APON. 
cr 0, posterior included in aestivation. Stamens 10 or fewer by abortion, 
rarely more ; filaments usually free, rarely coherent; anthers various. 
Ovary sessile or stipitate ; stipes often adnate to the calyx-tube. 
Pods dehiscent or indehiscent. Seeds various, with or without albu- 
men. 
Distribution : — Tropical and warm regions. 
Leaves bipinnate. 
Calyx-segments valvate or slightly overlapping. 
Pod flat ..... 
Pod turgid .... 
Calyx -segments imbricate . 
Leaves simply pinnate .... 
1. Poinciana. 
3. Parkinsonia. 
4. Csesalpinia. 
2. Cassia. 
1. Poinciana L. 
Unarmed trees. Leaves bipinnate. Leaflets small, numerous, ex- 
stipellate. 
Flowers in corymbose racemes ; bracts small, caducous. Calyx deeply 
cleft ; tube short ; segments valvate, subequal. Petals 5, imbricate, 
subequal. Stamens J 0, free, decimate ; filaments filiform, pubescent or 
villous at the base ; anthers uniform. Ovary subsessile, oc -ovulate ; style 
elongate, filiform ; stigma truncate, ciliolate. 
Legume bivalved, elongate, flat, dehiscent. Seeds transverse, oblong,, 
albuminous ; cotyledons rather thick; radicle short, exserted. 
Species : — 3. 
Distribution : — Tropical Asia and Africa. 
1, Poinciana elata L. Mant. p. 16; DC. Prodr. II, 4S4 ; Hook. FL 
Brit. Ind. II, 260 ; Oliv. FI. trop. Afr. II, 266. 
Csesalpinia elata Sw. Obs. 166. 
Arabic Name: — Bunf. 
Description : — An erect tree, 20 — 30 feet high ; bark tolerably smooth,, 
ash-coloured. Leaves abruptly bipinnate, 4-8 inches long ; pinnae 4-8 
pairs, opposite; leaflets 10-20 pairs, subsessile, closely set along the 
rhachis, linear-oblong, rounded and usually apiculate at the apex. 
Flowers in terminal, few-flowered, corymbose racemes ; pedicels stout, 
finely pubescent ; bracts lanceolate or ovate-oblong. Calyx-lobes coriace- 
ous, oblong or oblanceolate, pointed or obtuse. Petals 4, white, one 
greenish-yellow, all turning orange when fading, rather longer than 
the calyx, with a broadly obovate or rotundate-cuneate crisped lamina. 
Filaments much exceeding the petals, 2-4 inches long, villous and 
thickened below. Style elongate, filiform. 
