Cbotalaeia.] 



LEGTJMINOSM, 



201 



large and showy. Ca^ya;-tube short ; teeth linear or lanceolate, free or 

 somewhat connate in 2 lips. Corolla equalling or exceeding the 

 calyx ; standard rounded or ovate, shortly clawed ; wings obovate- 

 oblong, shorter ; heel broad, equalling the wings, its petals united, 

 much incurved and beaked. 8tam,ens 1-adelphous ; anthers dimor- 

 phous. Ovarj/ sessile, rarely 8tii)itate, linear, usually many-ovuled ; 

 style long, abruptly incurved at the base, bearded above ; stigma 

 small, oblique. Pod usually sessile, straight, linear or oblong, turgid 

 or inflated, continuous within, 2-many-seeded. - Species about 250 

 spread throughout tropical and subtropical regions. 



Leaves simple. 



Stipules decurrent as a persistent wing' to 



the branches 



Stipules, if present, not decurrent. 



A rigid much-branched deciduous un- 

 dershrab, stipules 0. ... 



Trailing or diffuse herbs. 

 Corolla not exserted. 

 Stipules 0. 



Bracts subulate, minute, 

 Bracts lanceolate, leafy. 



Stipules subulate, minute. 



Stipules leafy, persistent. 



Corolla exserted, stipules minute. 



Erect herbs, often semi-shrubby. 



Pods not longer than the calyx 

 glabrous. 



CoroUa yellow. 



Calyx ^-j in. long, 

 stipules 0. . . . 



Calyx |-1 in. long, stipules 

 minute 



Corolla blue, stipules minute 

 Pods exserted, glabrous. 



Branches slender, densely 

 silky, stipules small 



Stipules 0. . . . 



Branches stout, glabrous or 

 nearly so. 

 Leaves obtuse or retuse ; 

 bracts small, subulate. . 



1. 0. alata. 



2. 0. Burhia. 



3. Q. prostrata. 



4. C. hirta. 



5. 0. humifusa. 



6. C.ferruginea, 



7. 0. hirsuta. 



8. 0. linifolia. 



9. C. calycina. 

 10. C. sessiliflora^ 



11. 0. mysorensig. 



12. 0. alh%da. 



13. C. retusa. 



