Part 3, 19231 



FABACEAE: INDIGOFEREAE 



Leaflets strigose on both sides. 



Pods gradually tapering into the long stout beak, calyx-teeth 



subulate-filiform. 

 Pods abruptly contracted into the short slender beak; calyx-teeth 

 lance-subulate. 

 Plant decumbent; banner orbicular. 

 Plant erect; banner obovate. 

 Pods strongly torulose. 



IX. Thibaudianab 

 Leaflets glabrous above. 



Leaflets rounded at the base. 



Leaflets 1 1-15, rarely 9, pods reflexed. 

 Leaflets 1-9; pods spreading. 

 Leaflets cuneate at the base. 

 Leaflets strigose on both sides. 

 Leaflets 13-27. 



Pods 4-6 cm. long; leaflets 1-2 cm. long. 

 Pods 2-3 cm. long; leaflets 2-4 cm. long. 

 Leaflets 5-1 1, rarely 13. 



Racemes much longer than the leaves. 

 Racemes scarcely exceeding the leaves. 

 Leaflets not paler beneath. 



Leaflets paler and more densely pubescent beneath. 

 Pods 6-8-seeded, not strongly torulose; beak stout. 



Leaflets of a lanceolate type, 2-4 cm. long, mostly acute. 

 Leaflets oval or elliptic, rounded or obtuse, 1-2 cm. long. 

 Pods 3-4-seeded. 



Pods not strongly torulose; beak stout. 

 Pods strongly torulose; beak slender. 



X. TlNCTORIAE 



Pods 2.5-6 cm. long, 6-12-seeded. 



Leaflets green above; racemes shorter than the leaves. 



Pods slightly curved, about 2 mm. wide; leaflets usually glabrous 



above. 

 Pods more curved, forming one fourth or one third of a circle, about 

 3 mm. wide; leaflets somewhat strigose above. 

 Leaflets canescent on both sides. 



Pods 2.5-3 mm. broad, elliptic in 



than the leaves. 

 Pods 4-5 mm. broad, sub-rhombic in 

 than the leaves. 

 Pods usually less than 2.5 cm. long, 3-7 -seeded. 

 Leaflets oblong to oval. 

 Pods distinctly curved. 



Leaflets narrowly linear -oblanceolate. 



Leaflets oblanceolate or obovate to oblong or elliptic. 



Pods usually 2 cm. long or more; racemes in fruit equaling 



the leaves; leaflets silvery-white on both sides. 

 Pods 1.5—2 cm. long; racemes shorter than the leaves; 

 leaflets usually green at least above. 

 Leaflets of the upper leaves usually 11-17, sparingly 



strigose or glabrate above. 

 Leaflets of the upper leaves 7-9, rarely 1 1, almost equally 

 strigose on both sides. 

 Pods straight or nearly so; leaves densely white-strigose beneath, 

 greener above. 

 Pubescence of the pods, pedicels, petioles, and leaf-rachises 



short and spreading. 

 Pubescence of the whole plant strictly oppressed. 

 Pods abruptly acute at the apex. 



Leaflets rounded at the base; pods 2 cm. long, about 



6 -seeded. 

 Leaflets acute at the base; pods less than 1 cm. long, 

 2-4 seeded. 

 Pods gradually tapering at the apex. 

 Leaflets obovate, silvery -silky. 



XI. DlSPERMAB 

 Pods usually 2-seeded. 



Leaflets 9-21. 



Leaflets 15-21 . oblong or rarely oblanceolate; pods nearly terete. 2-2. 

 mm. thick. 

 Racemes much shorter than the leaves; pods straight. 

 Leaves strigose on both sides; pods 2 mm. thick. 

 Leaves glabrous or glabrate above; pods 2.5 mm. thick. 

 Racemes about equaling the leaves; pods slightly curved. 



18. /. keyensis. 



19. /. Rosei. 



20. /. conslricta. 



21. /. costaricensis. 



22. /. salmoni flora. 

 30. /. tinctoria. 



23. /. Purpusi. 



24. /. Tkibaudiana. 



25. /. Langlassei. 



26. /. cuernavacana. 



27. /. lancifolia. 



28. /. discolor. 



40. /. Conzallii. 

 29. /. panamensis. 



i-section; racemes longer 

 -section; racemes shorter 



I gualimalensis. 

 I densijlora. 

 I. molilalia. 



