14 
MERRILL. 
10. Fertile stamens 6. 
11. Calyx- teeth connate into two lobes, the upper one minutely 
2-toothed, the lower minutely 3-toothed.... 76. Luzonia 
11. Upper two calyx- teeth connate into an entire or minutely 
2-toothed lobe, the lower three calyx-teeth distinct, 
about as long as the upper lobe... 4&V 75. Dioclea 
9. Pods small, narrow, elongated, many-seeded; flowers small 
to medium; fertile stamens 10 ...„: 78. Pueraria 
6. Stamens diadelphous, the vexillary one free from the others. 
7. Pod indehiscent, membranaceous, oblong, with faint transverse 
lines between the seeds .....:. 49. Pseudarthria 
7. Pod indehiscent, coriaceous, reticulated; with no transverse lines, 
1-seeded :. 48. Monarthrocarpus 
7. Pod dehiscent only at the seed-bearing apex, elsewhere seedless 
and indehiscent, thin; scandent woody vines..:... 73. Spatholobus 
7. Pod dehiscent from end to end. 
8. Nodes of the racemes not swollen. 
9. Petals very unequal; flowers large; pods prominently longi- 
tudinally ridged ... 65. Oentrosema 
9. Petals subequal ; flowers small ; pods not longitudinally ridged. 
10. Pods with transverse lines between the seeds, or with 
transverse reticulations; erect or ascending herbaceous 
or suffrutescent plants. 
11. Pods thin, flat, dehiscent by the lower suture, with trans- 
verse lines between the seeds; flowers pink or purplish. 
47. Desmodium 
11. Pod short, inflated, with numerous transverse reticula- 
tions; flowers blue 50. Pycnospora 
10. Pods with no transverse lines or reticulations ; herbaceous 
vines. 
11. Style filiform; calyx-teeth distinct 67. Shuteria 
11. Style flattened upwards; calyx truncate 66. Dumasia 
8. Nodes of the racemes swollen. 
9. Flowers large; petals very unequal; herbaceous or woody 
vines. 
10. Keel exceeding the wings and standard; pods flat, variously 
grooved or smooth, often with stinging hairs. 
72. Mucuna 
10. Keel and standard equal, wings short; pods thick, glabrous, 
not grooved 71. Strongylodon 
9. Flowers small; petals subequal; herbaceous vines. 
74. Galactea 
3. Leaves pinnately 5- to many-foliolate. 
4. Leaves even-pinnate. 
5. Rachis terminating in a tendril 62. Pisum 
5. Rachis not terminating in a tendril. 
6. Vines with pink flowers and flat pods 63. Abrus 
6. Erect, suffrutescent, coarse herbs with yellow flowers, or trees with 
very large white flowers; pods very long, subcylindric, septate 
between the seeds 40. Sesbania 
4. Leaves odd-pinnate. 
5. Pods ultimately dehiscing by both sutures. 
