26 Materials for a Flora of the Malayan Peninsula. 



Eacemes terminal, or leaf-opposed, or paniculate at the 



ends of branches ... ... ... ... C. Tephrosiex. 



Suh-tribe A, Indigoferese. Herbs or shrubs, glandular punctate or 

 not, usually hoary canescent, the hairs always fixed in the middle ; 

 racemes or spikes axillary ; connective of anther produced in a gland 

 or mucro ; ovules usually co ; pod 2-valved. 



23. Indigofera. 



Sub-tribe B. Bobinieae. Herbs, erect or rarely climbing shrubs, or 

 trees ; racemes all axillary or fasciculate on old nodes ; upper stamen 

 usually free ; anthers muticous ; ovules oo ; style usually rigid ; pod 

 usually 2-valved, flat or only turgid opposite the seeds. 



24. Sesbania. 



Sub-tribe C. TepJirosiese. Herbs, erect or large climbing shrubs, or 

 trees ; racemes terminal or leaf-opposed or panicled at the ends of 

 branches, rarely arising from upper axils, or with the lower or all the 

 pedicels geminate or fasciculate in the axils of leaves ; anthers muti- 

 cous ; ovules usually oo ; style usually rigid ; pod 2-valved. 



25. Tephrosia. Leaves striate-veined ; pod thin, early dehiscent, 



26. Millettia. Leaves reticulate-veined ; pod firm, tardily dehiscent. 

 Tribe V. DALBERGiEiE. Trees or erect or lofty climbing shrubs. 



Leaves pinnately 6-go -foliolate, very rarely 3- or 1-foliolate, usually 

 exstipellate. Inflorescence various, paniculate, fascicled racemose, or 

 cymose. Stamens all united in one sheath, entire or split along the 

 upper side, or in two lateral half-sheaths from simultaneous fission along 

 both upper and lower sides, or the upper stamen free the rest connate ; 

 anthers usually uniform. Pod longer than the calyx, membranous, 

 coriaceous, woody or drupaceous, in dehiscent and not segmented. 



Leaflets opposite ... ... ... ... A. Lonchocarpeas, 



Leaflets alternate ... ... ... ... B. Pterocarpeae. 



Sub-tribe A. Lonchocarpese. Leaflets opposite ; pod not drupaceous ; 

 seeds usually transverse or attached by a lateral hilum, not pen- 

 dulous. 



27. Pongamia. Pod coriaceous, not winged ; calyx subtruncate. 



28. Derris. Pod coriaceous or membranous, winged ; calyx subtrun- 



cate, 



29. Kunstleria. Pod membranous not winged ; calyx toothed. 

 Sub-tribe B. Pterocarpeas. Leaflets alternate ; pod not drupaceous ; 



seeds usually transverse or attached by a lateral hilum, not pen- 

 dulous. 



30. Dalbergia. Anthers small, terminal ; pod oblong or linear. 



31. Pterocarpus. Anthers versatile ; pod suborbicular. 

 26 



