1897.]" G. King — Materials for a Flora of the Malayan Peniniula. 177 



Buds clove-shaped — calyx-tube cyliudric, limb in bud 

 ovate or orbicular ; anthers shortly oblong : — 



Leaves of two connate leaflets with rounded apices 5 



(calyx-tube considerably longer than limb) ... 12. B. glauca. 



Leaves entire or divided at the tip (in yonng plants 



of some species casually split to the base) into two 



narrow acute or acuminate lobes : — 



Calyx-tube much longer than the limb ; (leaves 

 usually entire, less often divided at the tip, 

 flowers in dense terminal corymbs) : — 



Leaves 5-7-nerved, adpressed-pubes^ent be- 

 neath ; calyx rusty-downy ; pod pubescent ... 13. B. comifolia. 

 Leaves 7-9-nerved, ghibrous beneath ; calyx 

 sparsely pnberulous ; pod glabrous ... 14. B. bidentata. 



Calyx-tube not exceeding the limb : — 



Inflorescence lax, the lower flowers not at all 

 deciduous 5 leaves thick firm : — 



Flowers in racemes, the lower pedicels not 

 sensibly longer than those above : — 



Racemes long, many-fid ; leaves all entire, 



glabrous beneath ... ... ... 15. B. lucida. 



Racemes short, few-fid. ; leaves rather 

 deeply bifid, densely pubescent beneath ... 16. B, Scortechinii. 

 Flowers in corymbs, the lower pedicels mani- 

 festly longer than those next above : — 



Leaves deeply cordate often subpeltate, not 

 much longer than broad, sometimes 2-fid 

 at tip, petiole 1 in. long ... ... 17. B. Kingii. 



Leaves shallow-cordate, twice as long as 



broad, all entire, petiole '5 in. long ... 18. B. Finlays&Htana.. 



Inflorescence dense, most of the lower pedicels 

 deciduous leaving the rachis below as a longish 

 nodose peduncle ; leaves thin flexible : — 



Leaves entire or rarely slightly emarginate 

 at tip, 5-nerved ; calyx glabrous ; (pod glab- 

 rous) ... ... ... .. 19. B. Wrayi. 



Leaves divided at apex (only a few in region 

 of inflorescence entire), nerves more than 5 ; 

 calyx- pubescent :— 



Leaves as broad as long, nerves 9-11, 

 apical sinus wide deltoid ; calyx rusty- 

 pubescent ; pod large pubescent ... 20. B. integrifolia. 

 Leaves longer than broad, nerves 7-9, 

 apical sinus narrow ; calyx grey-silky ; 

 pod small glabrons ; flowers small ... 21. B. glabrifolia. 

 Calyx-tube very short (§ Lasiobema) ; (flowers small, in 

 long narrow many-fld. racemes) : — 



Calyx-limb 5-partite ; petals white ; pods small glabrous; 

 leaves flexible, divided at apex : — 



Pod short, 2-seeded ... ... ... 22. B. anguina. 



J. II. 23 



