110 
XXX. LEGUMINOSJL 
Flowers red or orange red. 
Calyx 2 -lipped. Pod glabrous, cylindric 
Calyx tubular. Pod tomentose, flat . 
Shrubs or herbs. 
Leaflets toothed. Flowers small. 
Flowers yellow. 
Pod straight or nearly so .... 
Pod spirally twisted or strongly curved 
Flowers white. Pod ovoid. Seeds only 1 or 2 
Leaflets entire. 
Pod jointed, or constricted between the seeds. 
Stems twining. 
Flowers yellow ...... 
Flowers purple-blue ..... 
Steins erect or prostrate. 
Racemes cylindric. Pod folded within the 
calyx ....... 
Racemes simple. Pod straight, protruding . 
Pod neither jointed nor constricted between the 
seeds. 
Stems erect. Pod 1 -seeded .... 
Stems twining or trailing. 2 Pod more than 1- 
seeded, except sometimes in Rhynchosia. 
Flowers ^ in., pale lilac, solitary, in pairs or 
in short racemes ..... 
Flowers \ in., pink- white, racemed. Lower 
bracts large, involucrate .... 
Flowers 1-lf in., pink or red, clustered at the 
end of long, naked stalks .... 
Flowers J in., yellow. Keel and style 
spirally twisted ..... 
Flowers f in., pale yellow. Standard with 
2 small pouches in the middle . 
Flowers 4-1 J in., yellow. Pod with trans- 
verse, parallel grooves between the seeds . 
Flowers in., yellow or red. Pod 1|- in. . 
29. Erythnna. 
30. Butea. 
7. Trigonella. 
9. Medicago. 
8. Melilotus. 
28. Dumasia, 
31. Pueraria. 
20. Uraria. 
23. Desmodium. 1 
16. Lespedeza. 
26. Amphicarpcea. 
27. Shuteria . 
33. Vigna. 
32. Phaseolus. 
34. Dolichos. 
35. AtylosiaA 
36. Rhynchosia. 
t f Terminal leaflet sessile. (See also Atylosia and Trifolium minus.) 
Stamens all free. A shrub. Flowers yellow. Anthers 
uniform ......... 
Stamens all united. Anthers dissimilar. 
Pod flat, f-1 in. Seeds 1-15 .... 
Pod globose, \ in. Seeds 2 . ... 
Upper stamen free, others united. 
Flowers numerous, in heads or racemes. 
Flowers in terminal heads ..... 
Flowers in axillary racemes .... 
Flowers few, in small clusters or solitary. 
Flowers red, in terminal, head-like clusters 
Flowers blue, solitary or in pairs 
1. Piptanthus. 
3. Argyrolohium. 
4. CrotalariaA 
5. Trifolium A 
11. Indig of era . 6 
37. FlemingiaJ 
6. Parochetus. 
* * * Leaflets 5 or more 
f Leaves with a terminal leaflet 
Stamens all free. A shrub. Leaflets 21-41. Flowers yellow 39. Sophora. 
1 D. gangeticum only has simple leaves. 2 F. fruticulosa only. 3 A. scara- 
bceoides has the terminal leaflet very shortly stalked. 4 G. medicaginea only. 
5 T. minus has the terminal leaflet shortly stalked. 6 1, trifoliala only. 7 F, 
vestita only. 
