120 LEGtFMINOS^. 



leaves and yellow flowers In racemes. 



Tribe 11 Geniste^. Herbs or shrubs with palmately com- 

 pound Sr simple leaves and various colored flowers m racemes or 

 Kry Stamens 10, monadelphous : anthers of two forms. 

 Radical, incurved or inflexed. 



„ .r • Tj^vVis rai-Plv shrubbv with various colored flowers in 



'• "^l^eme •• ?eT.^s cSate mS of more than 3 leaflets: calyx 

 aS bilabiate: upper petal with recui-^-ed sides; keel falcate: 

 pods large, straight. 

 3. TJlex. Spinescent ghiiibs with inconspicuous simple leaves and yel- 

 low axillary flowers. 

 4 Cytisus. Shrubs with green, often angular branches, palmately or 

 pinnately trifoliolate leaves and solitary or racemose yellow flowers. 



Tbibe III. Tbipolie^. Mostly low herbs with palmately or 

 pinnately trifoliolate, rarely 5-7-foliolate leaves and axillary or 

 terminal, racemose, spicate, capitate or umbellate inflorescence. 

 Corolla papilionaceous. Calyx 5-lobed. Stamens diadelphous 

 (9 and 1). 



5. Medieago. Herbaceous or r.irely shnibby plants with palmately tri- 



foliolate leaves and axillai-y peduncles: petals free from the 

 stamens, deciduous: pods 1— several-seeded, falcate-incurved, or 

 coiled.into a spiral. 



6. Melilotus. Krect herbs with pinnately trifoliolate leaves and small 



fragrant flowers in slender axillai-y racemes: petals free from the 

 stamens, deciduous: pods ovoid, small, scarcely dehiscent, 1—2 

 seeded. 



7. Trifolium. Herbs with palmately or pinnately trifoliolate, rarely 



5— 7-foliolate leaves and mostly very many flowers on axillary or 

 terminal peduncles: corolla persistent: the banner and wings com- 

 monly coherent with the staminal tube: pods concealed within or 

 but little exserted from the calyx, 1— 6-seeded. 



Tribe iv. Lote^j. Herbs or shrubs with pinnately 1-many- 

 foliolate leaves and various colored flowers capitate or umbellate , 

 on axillary peduncles, rarely solitary. 



8. Lotus. Herbaceous or suffrutescent plants with pinnate, usually 



3— many-foliblate leaves and solitary or numerous flowers on axil- 

 lary peduncles with or without a 1— 3-foliolate bract at summit; 

 corolla deciduous, the banner often remote from the other petals: 

 pods oblong to linear, terete, turgid or plain, few or many-seeded. 



Tbibe v. G/VLEGEiE. Erect herbs, or shrubs with unequally 

 pinnate, seldom stipellate leaves and axillary or terminal, race- 

 mose or spicate inflorescence. Corolla papilionaceous or other- 

 wise irregular. Stamens diadelphous (9 and 1), or sometimes 

 monadelphous. Pods continuous, l-cell«d, several-seeded, de- 

 hiscent ; or 1-2-seeded and indehiscent. Radicle incurved or in- 

 flexed. 



9. Psoralea. Herbs with trifoliolate leaves and axillary spikes of 

 rather small flowers; herbage glandular-dotted: stamens mona- 

 delphous or diadelphous: poAs indehiscent, 1-seeded. 



10. Petalostemon. Herbs with gland-dotted herbage unequally pinnate 



