LEGUMINOSAE 993 
8. Leaflets numerous, very small; stamens united intg two groups of 
| Te enennenrnt ee HF recon) 04 4 5 | 20. Aeschynomene 
8. Leaflets few, medium; stamens united in a closed tube; cultivated 
herbs, the fruit ripening under ground........................ 21. Arachis 
2. Leaves digitately 2-foliolate; joints of the pod muricate.... 22. Zornia 
2. Leaves pinnately 3-foliolate or reduced to a single leaflet. 
3. Pod exserted, equaling or exceeding the calyx. 
MPP Od Hettboned isis psec eae iran a ctstte eee tthe 23. Desmodium 
Pg MAD ELCs tig Coenen kts pa id LS Ea NR eR 24. Alysicarpus 
8. Pod folded together within the calyx. 
4. Calyx not enlarged in fruit; leaflets longer than broad; flowers 
in very dense capitate racemes..............c......:::cc00ceeeee--- 25. Uraria 
4, Calyx enlarged in fruit; leaflets broader than long; flowers few 
in: lass PeOeER EL 7... ERP eee eee 26. Lourea 
1. Pods not jointed, dehiscent or indehiscent. 
2. Leaves pinnate, with 5 to many leaves. 
8. Leaves odd-pinnate. 
4. Pods dehiscing by both sutures. 
5. Herbs or undershrubs; flowers racemose. 
6.. Pods cylindric or.. 4-angled..:.......8..05.0..0200000....... 27. Indigofera 
Seeeeants) Haters) te re O07 20 tes ae 28. Tephrosia 
5. Trees with flat pods; flowers racemose. 
6. Racemes terminal or from the upper axils............ 29. Millettia 
Giiinaremes “binterah 072.000. teres Bis. SB R900 7 30. Gliricidia 
5. Herbaceous vine with large, showy, white or blue, axillary 
Powers fk. aE Bea eT EE A. 31. Clitorea 
4. Pods indehiscent. 
5. Herbs with subcapitate blue flowers and numerous small leaflets. 
32. Parosela 
5. Trees or woody vines. 
6. Leaflets alternate. 
7. Trees with yellow flowers and orbicular winged pods. 
33. Pterocarpus 
7. Woody vines with pink or white flowers and elongated nar- 
TOW WOdsay...c 218205 si h01) is 0), SNS ER Sees 34. Dalbergia 
6. Leaflets opposite. 
7. Trees with thick wingless pods ........................ 35. Pongamia 
7. Woody vines with thin, winged pods .................... 36. Derris 
3. Leaves even-pinnate. 
4. Rachis terminating: in.a tendril....2. 0222.2) 2022 et. 37. Pisum 
4. Rachis not tendril-bearing. 
5. Slender vines with short flat pods ........000.0000000....0...... 38. Abrus 
5. Coarse shrub-like plants with yellow flowers, or trees with very 
large white flowers; pods very long, subcylindric. 
39. Sesbania 
2. Leaves simple or with 3 or more digitately arranged leaflets; pods 
inflated. 
3. Stamens monadelphous; pods many-seeded...................- 40. Crotalaria 
3. Stamens diadelphous; pods few-seeded.................2....------ 41. Flemingia 
2. Leaves pinnately 3-foliate. 
3. Leaflets not stipellate; herbaceous or shrubby, climbing or erect 
plants. 
4. Pods indehiscent; herbs with toothed leaflets and small spiral 
OS RS Se” eo eee 42. Medicago 
