XXX. LEGUMINOSiE 
111 
Stamens united at the base, ultimately dividing into two 
bundles of 5 each. A herb. Leaflets 41-61. Mowers 
yellow . . . . . • . . • 
Stamens 9, all united. A tree. Leaflets 5 or 3. Flowers 
yellow-white ........ 
Upper stamen free, others united. 
Leaflets 5, 2 at the base of the leaf-stalk, 3 at the 
end. Flowers yellow, in umbels. Five longer 
stamens thickened upwards .... 
Leaves covered with short hairs fixed by the centre. 
Flowers red, pink or purple, in racemes 
Flowers yellow, in racemes. Ovary stalked. Style 
bearded. Pod inflated ..... 
Flowers red, in leaf-opposed racemes 
Flowers pink, yellow or yellow-green, in axillary 
racemes or heads, rarely solitary or in pairs 
19. AEschynomene. 
38. Dalbergia. 1 
10. Lotus. 
11. Indigofer a. 2 
12. Colutea. 
13. Tephrosia. 
15. Astragalus. 
f f Leaves terminating in a spine, bristle or tendril 
Stamens united in two bundles of 5 each. Flowers pale 
blue. Pod jointed . . . . . . .18. Smithia. 
Upper stamen free, others united. Pod not jointed. 
Leaves terminating in a spine A shrub. Flowers 
yellow .14. Caragana. 
Leaves terminating in a bristle or tendril. Herbs 
Style cylindric, nearly glabrous .... 24. V icia. 
Style flattened, bearded along the inner side . 25. Lathyrus . 3 
* * * * Leaflets none 
Stipules leaf-like. Leaves terminating in a tendril. 
Flowers yellow ....... 25. Lathyrus A 
II. CiES ALPXNIEZE . Calyx 5-parted, spathe-like and un- 
divided or spathe-like and splitting into 2 or 3 unequal segments. 
Petals free, imbricate, nearly equal and similar, the upper one 
innermost. Stamens 10 or fewer, free or united close to the base, 
shorter or only slightly longer than the corolla. 
Calyx 5-parted. Leaves pinnately divided. 
Shrubs prickly. Leaves 2 -pinnate . . .40. Ccesalpinia . 
Trees or herbs, not prickly. Leaves simply pinnate 41. Cassia. 
Calyx spathe-like and undivided or splitting into 2 or 3 
segments. Leaves simple, notched or 2-lobed . . 42. Bauhinia. 
III. MIMOSEZE. Flowers usually very small, crowded in 
globose heads or cylindric spikes. Calyx bell-shaped or tubular, 
teeth 4 or 5. Petals 4 or 5, united in a tubular or bell-shaped 
corolla. Stamens 8 or numerous, much longer than the corolla, 
free or more or less united. 
Stamens 8, free. Pod jointed . . . . .43. Mimosa. 
Stamens numerous. Pod not jointed. 
Stamens free or united only at the base . . . 44. Acacia. 
Stamens united up to the top of the corolla, . . 45. Albizzia. 
1 Dalbergia usually has 5, sometimes 3 leaflets. 2 All species except 
I. trifoliata. 3 L. luteus only. 4 L. Aphaca only. 
