1S76.] Knowledge of the Burmese Flora. 219 



Clitoeia. Petals very unequal in length, the standard narrowed at the base, nude 

 at the apex. Calyx-tube cylindrical, longer than the lobes. Erect or climbing herbs 

 or undershrubs. 



Situteria. Style filiform. Calyx-teeth distinct, the 2 upper ones connate. An- 

 thers conform. Bracts persistent, striate. 



Dumasia. Style dilated at the middle. Calyx-tube cylindrical, obliquely truncate 

 at the mouth. 



+ + Nodes of the inflorescence tumid. 



f Stigma terminal, capitate. Style beardless. 

 O Anthers all conform. 



§ Twining or creeping herbs. Petals equally long. 

 Galactia. Calyx 4-toothed (the 2 upper teeth being united into one). Pod 2- 

 valved. 



Geona. Calyx o-toothed, the 2 upper teeth free. Pod linear, 2-valved. Seeds 

 strophiolate. 



§ § Trees or woody climbers or shrubs. 

 Butea. Petals equally long. The 2 upper calyx-teeth free. Pod indehiscent, 

 1 -seeded at the apex, the sterile basal part much dilated and flat. 



Eeytheesta. Petals very unequal, the standard exceeding the keel. 



O Anthers dimorphous. 

 MuctrNA. Petals very unequal, the keel exceeding the standard. "Woody climbers 

 or twining undershrubs. 



f f Style bearded. 

 O Stigma oblique. 



§ Free part of filaments straight, alternately shorter. 

 Twining herbs. 

 Pachteehiztjs. Keel not spirally twisted. Style flat upwards, the stigma almost 

 globose on the inner face. Pod transversely lined between the seeds. 



Vigna. Keel not spirally twisted, blunt or arcuate-beaked. Style filiform. 



§ § Free part of filaments once or rarely twice spirally 

 twisted. 

 Phaseoltjs. Keel spiral. Style filiform. The 2 upper calyx-teeth, or all, shorter 

 than the tube. Hilum oblong or shortly orbicular. Twining or rarely almost erect 

 herbs. 



O O Stigma terminal. Free part of filaments straight. 

 Dolichos. Keel not spirally twisted. Style filiform, minutely penicillato around 

 the minute stigma. Twining or rarely suberect herbs. 



Lablab. As preceding, but style thickened upwards, bearded down the inner, 

 edge. Twining or suberect herbs. 



x x Stamens all united into a complete tube. 

 + Nodes of inflorescence tumid. 

 Canavalia. Upper-lip of calyx projecting. Style beardless or rarely bearded. 

 Pod indehiscent or late-dehiscing, the upper suture thickened or narrowly 2-winged. 



Psophocabpus. Pod 4-cornered, longitudinally 4-winged. Stigma almost globose, 

 densely penicellate-villous. 



Dioclea. Upper teeth of calyx not projecting. Pod oblong, turgid, indehiscent, 

 the upper suture thickened or 2-winged. Anthers dimorphous. 



