528 BURMA, ITS PEOPLE AND PRODUCTIOXS. 



D. em/irginata, Eoxb. 

 B. Javanica, Miq. 



Leaflets 3-7, almost orbicular to obovate, notched or blunt. All parts glabrous. 



D. cuLTKATA, Giali. Ava, Pegu and Upper Tenasserim. 



Ten-daik. 



Young shoots appresscd silky puborulous. Leaflets 7-11, more or less oblong, 

 notched or blunt. 



X X Bractlets Muck, short and broad, deciduous but still j'rcsent at fowering time. 



D. GLAUCA, "Wall. Ava. Pegu and Upper Tenasserim. 



B. ovata, var. obtusifoUa, Baker. 



Ma-da-ma (Kurz). 



Leaflets blunt, more or less notched and mucronate. 



D. OVATA, "Wall. Pegu and Upper Tenasserim. 



Sla-da-ma (Kurz). 



Leaflets acuminate, smaller or more coriaceous. 



* * Woody climbers. 

 X Leaflets in 5-7 pairs. Inflorescence, etc., glabrous. 



D. FOLiACEA, Wall. Ava. Pegu and Upper Tenasserim. 



Flowers blue. Panicle ample, terminal. Leaflets more or less oblong. 



D. Thomsoni, Bth. Kambala Toung in the Pegu Piange. 



Flowers white. Panicles small, axillary. Leaflets more or less obovate. 



X X Leaflets in 11-41 pairs. Injlorescence and goung branchlets rusty pubescent. 



D. TAiiAErN'DrFoi.iA, Itoxb. Andamans and Tenasserim. 



Derris pinnata. Lour. 



Leaflets \-^ inch long. Panicles or cymes very short. 



The pods of the Burmese species ( = Z>. rufa and multijuga, Grab.) differ a good 

 deal from those figured by Eoxburgh, and they are much narrower. The pods of 

 the Assam plant ai'e unknown to me, but Jlr. Simons calls it " a large tree 30 to -10 

 feet high." The matter requires further incjuiry (Kurz). 



D. VELTTTINA, Btli. Ppgu and Tenasserim up to 4000 feet. 



Leaflets 1-2 inches long. Panicle ample. 



The heartwood of some species of Balbergia is excellent, being tough and durable, 

 and dark and handsome when poKshed, such as D. lutifolia and I), cult rata (' Tendaik'). 

 "Weight of well seasoned wood, 38 lbs. B.paniculata yields a good pale-coloured timber, 

 and B. cana a worthless one according to Kurz. 



PiEEOCAEPus, Linnaus. 



Filaments equally long. Pods almost orbicular or broadly oblong, seed-bearing 

 in the centre and surrounded by a broad complete wing. Trees. Flowers yellow. 

 Leaflets alternate. 



P. Indicus, "Willd. Tropical forests of the Pegu Range, Tenasserim, 



P.flavus, 'Lour. and the Andamans. 



P. Bttlbergioides, Roxb. 



Pa-douk. 



Pods about an inch across, almost glabrous (even while young), the stylose point 

 far above the base. Calyx more glabrous. Leafless in hot season. 



A splendid timber is the Pa-douk (P. Indicus), resembling a coarse mahogany, 



