538 BURMA, ITS PEOPLE AKT) PRODUCTIONS. 



X Sepals vallate or nearly m. 

 PoiNCiANA, Ziiinaus. 

 Pud 2-valTcil, flat, coriaceous. Leaves bipinnate, the leaflets all developed. 

 TJnarmed. 



* P. UEOiA, Boj. Cviltlvated as an ornamental shrub. 

 Calyx quite glabrous. Petals veiy large, waved, usually crimson. 



Pakkinsonia, Linnceus. 



Pod tiirgid-moniliform, indehiscent. Petiole very short, spine-like, with 2-4 

 much elongate pinnae of minute and often quite reduced leaflets. Armed. 



* P. AcuLEATA, L. . Cultivated in Ava and Prome. 

 A good tree to form hedges. 



X X Sejmls imlrieate. Trees or woody climbers. 

 -\- Climbers, nsualli/ armed. 



C^sALPixiA, Lin»aus. 

 Pods not winged, indehiscent or 2-valved, several-seeded. Stigma small. 

 Sub-genus Cjesalpisaeia. 



Albumen none. Pods coriaceous, 2-valved. Filaments very long and slender, 

 quite glabrous. Erect shrubs or trees, unarmed. 



* C. (Poinciana) puxchebeima, L. Cultivated all over the country. 

 Doung-sok. 



Sub-genus Eu-cjesalpinia. 



Seeds albuminous. Pods various. Filaments as long as, or somewhat longer than, 

 the petals. Usually scandent shrubs, more or loss armed with prickles. 



A. Valves of pod dry, coriaceous or almost chartaceous. 



Sub-genus Nugaria, DC. 



Scandent thorny shrubs, rarely trees. Pods rigidly or thinly coriaceous, 2-valved 

 or indehiscent, smooth. Seeds compressed or not. Stamens as long as, or a little 

 longer than the petals. 



* Seeds fat and compressed. Pods 2-ralved. Leaflets large. 

 C. NroA, Miq. Arakan, Tenasserim, the Andamans, 



C. paiiiciilata, Eoxb. Kamorta, and Katchall. 



C. Chinensis, Eoxb. 

 All parts quite glabrous. 



* * Seeds hardly compressed. Pods l-valrcd or indehiscent, or nearly so, the sutures 

 usually thickened. Leaflets small. 



C. SAPPAN, L. Pegu and Tenasserim. 



Small tree. Leaflets unequally oblong, refuse. Pods tardily dehiscing. 



Dr. Mason remarks : 



" In the valley of the Tenasserim, between the latitudes of Tavoy city and the 

 mouth of the Tavoy river, the liills that border the valley on the eastern side abound 

 in sapan wood, which is used extensively as a red dye. Considerable quantities are 

 exported eveiy year from Mergui, and that province is usually supposed to contain 

 the tree, though it is really within the Province of Tavoy ; but the facility of water 

 communication from the interior to Mergui makes that tlie only port to which the 

 ■wood is conveyed. It is rather singular tliat this narrow locality is the only one in 

 the Provinces, so far as I am aware, in wliich the tree is found. The tree has a mucli 

 wider range, the Karens inform me, on the Meinam side of the mountains in Siam. 

 More than five hundixd thousand pounds have been exported from Mergui during 



