.] XLVII. § PAPILI0NACE2K (BAKER). 195 



Peduncle densely clothed with deflexed silky 



bristles 9. Y. radicans. 



Petioles elongated (1-3 in.) 10. V. reticulata. 



Keel with an elongated recurved beak. 



Leaflets deeply lobed 11. V. lobatifolia. 



Leaflets not lobed. 



Flowers yellow 12. V. golungemis.. 



Flowers reddish-purple. 



Stems and leaves clothed with silky bristles . . 13. V. vexillata. 

 Stem and leaves clothed with short gfey pubescence 14. V. phaseoloides. 



** Calyx-teeth rounded or deltoid, shorter than the tube. 

 Stems clothed with conspicuous spreading silky hairs. 



Leaflets deeply lobed 15. V. hastifolia. 



Leaflets entire. 



Flowers solitary, very large . 16. V. holosericea. 



Flowers several, small or middle-sized. 



Leaflets lanceolate, the lateral ones not at all or very 

 slightly unequal-sided. 



Flowers 2-4-umbellate 17. V. parviflora. 



Flowers many in racemes. 



Flowers all produced. . 18. V.pubigera. 



Many lower flowers aborted 19. V. arnbacencis. 



Leaflets ovate, the lateral ones very unequal-sided. 



Corolla 9-10 lines deep . . '. .20. V. Schimperi. 



Corolla f-4 inch deep. 



Bracts exceeding buds 21. V. comosa. 



Bracts in bud not protruding. 



Corolla blue . . . . 22. V. Donii. 



Corolla yellowish or reddish. 



Calyx 1 line deep 23. F. Afzelii. 



Calyx 2 lines deep 34. V. luteola, var. 



viUosa. 

 Stems glabrous or subglabrous. 



Leaflets shining subcoriaceous ; style persistent, cuneately 

 dilated at the point (Sphenostylis, E. Meyer). 



Stems suberect . . * 24. V. marginata. 



Stems wide twining . 25. V. ornata. 



Leaflets coriaceous, lanceolate ; style filiform 26. Y. venulosa. 



Leaflets rarely coriaceous ; style filiform deciduous. 



Stipules comparatively large, persistent, distinctly spurred. 



Corolla blue 27. F. coerulea. 



Corolla reddish or yellow. 



Flowers 1-3 together, subsessile. 



Keel shortly beaked . . . . 28. Y. triloba. 



Keel with a long recurved beak 29. V. huillentis. 



Flowers up to 8-12 racemose, pedicellate. 



Pod 2-3 inches long 30. V. nihtica. 



Pod 6-12 inches long 31. V. sinensis. 



Stipules small, evanescent, not spurred. 

 Leaflets ovate acute or subacute. 

 Calyx 1-1 4 lines long. 



Central leaflet £-f in. broad 32. V. gracilis. 



Central leaflet 2-3 in. broad ........ 33. V. multiflora. 



Calyx 2 lines long 34. V. luteola. 



Leaflets blunt. 



End leaflet ovate-lanceolate , . . . . 35. V. parvifolia. 



End leaflet oblong . • 36. V. oblonga. 



End leaflet roundish 37. V. lutea. 



