Coesalpiniece LEGUMINOS.E i 



§ 13. Leaves abruptly bipinnate (with au odd pinna in 



Csesalpinia coriaria), or most leaves simply pinnate 



in Hmmatoxylum. Calyx 5-cleft. Anthers versatile. 



Calyx-segments very imbricate. 



Tree. One segment of calyx larger, comb-like. 



Pod not opening, flat-compressed, thinning 



to the margin, as it vrere 2-winged .31. Pcltophorum. 



Shrubs or small trees. Pod 2-valved or not 



splitting, not winged, margins blunt 32. Csesalpinia. 



' [Tree. Pod fiat, thin, splitting open in the 



middle of the valves, not at the margin.... Tlwmatoxylum. 

 Calyx-segments valvate or slightly imbricate. 



[Leaves with J.1-18 pairs of pinnse , Poinciana.] 



[Common petiole of the leaves very short, 

 spine-like, pinnse 2-4, very long, with 

 minute distant leaflets Parkinsonia.'] 



§ 14. Leaves abruptly pinnate. Calyx 6-clef t, segments 

 imbricate. Petals 5. Anthers basifixed, opening 

 by pores or chinks. Seeds with endosperm 33. Cassia. 



§ 15. Leaves composed of two leaflets united. Calyx 

 spathaceous,5-toothed. Petals 5. Anthers versatile. 

 Seeds with endosperm 34. Bauhinia. 



§ 16. Leaves abruptly pinnate or imparipinnate (in 

 Crudia) ; leaflets 2 to numerous. Sepals 4, imbri- 

 cate. Petals 3, 5, or none. Anthers versatile. 

 [Leaflets numerous. Petals 3. Stamens 3, 



united into a sheath Tatnarindus.'] 



Leaflets 2. Petals 5. Stamens 10 35. HymenFca. 



Leaves imparipinnate. Petals none. Sta- 

 mens 10 (9,8) • 36. Crudia. 



§ 17. Leaves abruptly pinnate ; leaflets in 1 or 2 pairs. 

 Sepals 5, very imbricate. Petals none. Anthers 

 versatile. Ovules 2 -37. Prioria. 



Subfamily 3. MIMOSE^. 



Flowers regular, small. Calyx valvate. Petals valvate, 

 generally united below the middle. Stamens distinct or united. 

 Leaves bipinnate (pinnate in huja). 



§ 18. Parts of the flower in 5's. Stamens 10, distinct ; 

 anthers with a small gland, which drops off soon 

 after the opening of the flower. Pollen granules 

 numerous, distinct. 

 Climbing shrub with tendrils. Pods very large 38. Entada. 

 Trees or shrubs not climbing. 



Flowers in globular heads 39. Piptadenia. 



[Flowers in racemes Adenanthera .\ 



[Flowers in spikes Prosopis.'] 



Herbs prostrate or floating 40. Neptunia. 



