372 FLORA OF MADRAS. [Rhynchosia. 



Calyx not accrescent : 



Calyx-lobes linear, the lowest longest ; leaflets obtuse ; trailing 

 undershrubs or herbs : 



Pod 1 -seeded, orbicular, with few branching transverse veins ; 

 flowers small, in elongate racemes ; leaflets broadly ovate- 

 cuneate, the end one truncate or emarginate, 1-2 in. in diam. 



3. nummularia. 

 Pod 2-seeded ; flowers moderate- sized : 



Flowers in racemes ; pod with close transverse wrinkles on 

 the faces : 



Racemes few-flowered, the peduncle shorter than the 

 leaves, naked ; standard yellow striped with purple ; 

 leaflets suborbicular, deltoid, 3-'4 in. in diameter 



4. aurea. 



B/acemes many-flowered, capitate, the peduncle longer than 

 the leaves with a slender leafless shoot near the middle ; 

 standard yellow, not striped; leaflets orbicular-ovate, 



deltoid, up to 2 in. in diam 5. capitata. 



Flowers solitary on thread-like pedicels with bracts a short 

 way below the calyx ; leaflets coriaceous, obovate, white- 

 velvety beneath and reticulate, mucronate, up to 2'5 in. long; 

 pod oblong, *5 in. long, softly pubescent, not wrinkled on the 



faces 6. filipes. 



Calyx-lobes lanceolate, acuminate, nearly equal ; leaflets acute ; 



erect undershrubs with 2-flowered axillary peduncles; seeds 2: 



Viscous-pubescent, yellowish when dry ; pod indented without 



between the seeds and with a partition within ; leaflets ovate 



acuminate, up to 3 in. long 7. suaveolens. 



Glandular-pubescent but not viscous, greyish-green when dry ; 

 pod slightly indented without between the seeds but with no 

 partition within ; leaflets ovate acute or almost obtuse, up to 



2 in. long 8. cana. 



Calyx-lobes oblong, obtuse, longer than the corolla, the lowest 

 shortest ; erect undershrub with white-silky, coriaceous, reticu- 

 late, ovate or lanceolate leaflets up to T25 in. long; flowers in 

 short racemes ; pod suborbicular, '2- 3 in. in diam., seed 1 



9. Beddomei. 

 Seeds estrophiolate : 



Calyx-lobes large, foliaceous, '75 in. long ; flowers large, in long 

 racemes with large ovate-cuspidate deciduous bracts ; pod as long 

 as the calyx, densely velvety, with 2 blue-black seeds 



10. cyanosperma. 



