XLII. LEGUMINOS®. 67 
Calyx distinctly 2-lipped, the upper lip 2-fid, 
lower 3-fid. Legume linear, compressed. 
Calyx deeply divided, Corolla conspicuous. 
F Standard longer than the keel; legume 
silky. . . . 16, ARG@YROLOBIUM. 
Standard shorter than the keel ; legume 
torulose . . - «17. DicHiLus. 
Calyx shortly 2- lipped. Corolla small. Le- 
gumes glandular or viscid-pubescent . - 18. MELOLOBIUM. 
Calyx bell-shaped, hollow or intruse at base, ,; 
shortly 5-fid. 
Standard much longer than the keel. A 
large shrub. . 19, Hypocanyrtvs. 
Standard much ahotter ae ies eer ey 
slender undershrub . . . 20. LopDIGESIA. 
Calyx oblique, 5-toothed or 5- fid. Stipules 0. 
Legume linear, flat, terete or fares several- 
2 . 21, LEBECEIA. 
Legume ovate or oblong, ‘winged on ‘upper 
side, l-seeded. . . 22, VIBORGIA. 
Calyx bell-shaped, acute at ‘base, 5-toothed or 
5-fid. 
Leaves petioled, ppipfiolate, mostly with 
stipules . . . 23. BUOHENR@DERA. 
Leaves sessile ; leaflets as if tufted leaves, 
without stipules . . . . . . . . 24 ASPALATHUS. 
Tribe 4. Psoratiem. Stamens qiadelphous: Ovary 1-ovuled.—Leaves 
never stipelled, variously compound, commonly sprinkled with resinous, 
glandular dots. 
The only genus. . ea emer tns Bete Cpe AOR AY 
Tribe 5. eat Stamens diadelphous. Ovary 2- or several- 
ovuled.—Small herbs. Stem erect or trailing, but not climbing. Leaves 
palmately or pinnately 3-foliolate, rarely 5-foliolate, never stipelled. 
Keel very acute. Legume cylindrical, many-seeded 26. Lotus. 
Keel obtuse. 
Keel adnate to the wings. Legume hidden in the 
GO Nk ss es Ss Ug |. 24. CRIROLIUM. 
Keel free. Legume longer than calyx. 
Legume oval or oblong, 1-4-seeded. Flowers 
racemose . . 28. MELILOTUS. ° 
Legume linear, curred, many -seeded. Flowers 
subumbellate. . . . . . . 29. TRIGONELLA. 
Legume much-incurved or spirally twisted, 
often bordered with spinous teeth . . . . 30. Mrpicaqgo. 
Tribe 6. INDIGOFEREm. Stamens audalpnious ; anthers apiculate ! 
Ovary 2- or many-ovuled.—Stems not twining. Leaves variously com- 
pound, rarely 1-foliolate. Flowers racemose. Pubescence often strigose. 
Standard reflexed ; keel with a spuz at each side; 
flowers red purple or white . . . . . . . 31. INDIGOFERA. 
Tribe 7. GateGE®. Stamens monadelphous or diadelphous. Ovary 2- 
or several-ovyuled. Legume 2-valved, 1-celled.—Stem not twining. Leaves 
pinnate, very rarely 1-foliolate, sometimes stipelled. Flowers racemose. 
Legume coriaceous or rigid, not membranous, 
F 2 
