1 4 MERRILL. 



10. Fertile stamens 6. 



IL Calj^-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 75. Dioclea 



9. Pods small, narrow, elongated, many-seeded; flowers small 



to medium; fertile stamens 10 78. Pueraria 



6. Stamens diadelphous, tlie vcxillary one free, from the others. 



7. Pod indehiscent, membranaceous, oblong, witli 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. Spatholohus 



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 G5. Centrosema 



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 suflfrvitescent 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. Pi/cnospora 



10. Pods with no transverse lines or reticulations; herbaceous 

 vines. 



11. Style filiform; calyx-teeth distinct G7. Shuteria 



11. Style flattened upwards; calyx truncate GG. Dumasia 



* 8. Nodes of the racemes swollen. • 



9. Flowers large; petals very iincqual ; 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; lierhnceous vines. 



74. Galacica 

 .'{. Leaves pinnately 5- to many-foliolate. 

 4. Leaves even-pinnate. 



5. Rachis terminating in a tendril 02. Pisiim 



5. Rachis not terminating in a tendril. 



G. Vines with pink flowers and flat pods G3. Abrus 



G. Erect, suffrutescent, coarse lierbs with yelhtw flowers, or trees with 

 very large white flowers; pods very long, subcylindric, septate 



between the seeds 40. Scshania 



4. Leaves odd-pinnate. 



5. Pods ultiniatolv doliiscintr bv both sutures. 



