1S76.] Knoioledge of the Burmese Flora. 217 



innermost in bud. Petals imbricate in bud. Stamens definite, variously- 

 connate or rarely free. 



Trib. 1. PAPILIONACEJE. Uppermost petal (standard) outside 

 in bud. 



* Stamens free from the base or slightly connate at the very base 

 only. 



Subtr. 1. SOPHOREJE. Leaves pinnately 1 — many-foliolate. Pods indehiscent 

 or dehiscent. 



* Leaves simple. 



Dalhousiea. Bracts, and bractlets large, opposite, persistent. Calyx-teeth very 

 short. Pods compressed. 



* * Leaves pinnate. Bracts and bractlets small, deciduous. 



Sophopa. Pods nioniliform, terete or winged, usually indehiscent. Arillus none. 

 Leaves without stipulets. 



Oemosia. Pods more or less woody, turgid, dehiscent. Arillus none, but the 

 seeds usually bright red-coloured, with a black hilum. Leaves without stipulets. 



Ariplaria. Pods fleshy-coriaceous, short, dehiscent ; arillus crimson, enveloping 

 the whole seeds. Leaves with stipulets. 



Subtr. 2. PODALTRIEJE. Leaves simple or digitately compound. Otherwise 

 as in preceding. (Chiefly Australian plants). 



* * Stamens variously united into a tvJbe, or into a slit sheath or 

 into two separate sheaths with the vexillar stamen free or adnate. 



+ Pods jointed, dehiscent or not, very rarely obsoletely or not 

 jointed, in which case the valves are usually marked with transverse veins 

 or lines (in a few genera the pods consist of a single joint). 



Subtr. 3. EEDYSAREJE. Characters as above. Leaves often pinnately 3 — 1- 

 foliolate, rarely pinnate. 



* Stamens united into a single slit sheath, the vexillary \§th one free. 



x Ovules solitary. Pods 1 -jointed. 

 Leptodesmia. Pods dehiscent. Flowers in terminal, head-like racemes. 

 Lespedeza. Pods indehiscent. Flowers clustered or in racemes, usually axillary, 

 x x Ovules 2 or more. Pods 2- or more-, rarely (by abortion) 1 -jointed. 

 Pods not jointed, compressed or inflated. 

 f Pod inflated like that of Crotolaria. 

 Pycnospoea. Herbs with pinnately 3-foliolate leaves ; flowers in racemes. 



t f Pod compressed. 

 Ottgeinia. Pod constricted between the joints. Flowers fascicled from the old 

 wood. Stamens dimorphous, the alternate ones gland-bearing. Trees. 



Psepdarthria. Pods flat with straight sutures. Flowers in terminal racemes. 

 Herbs. 



O Pods distinctly jointed. 



t Pod-joints in a line, not folded up. 

 Desmoditjm. Pod-joints flat or slightly convex, dehiscent or indehiscent. Ea- 

 cemes terminal or axillary and terminal. Leaves 3- rarely 1-foliolate. 



Alysicarpus. Pod-joints more or less turgid. Calyx deeply divided and almost 

 glumaceous. Leaves often 1-foliolate. 



