ORDER 43. LEGUMINOS^E. 81 



8 Pods flat, composed of 1 or more 1-seeded joints. Petals united. Stamens* 10. .MIMOSA. 

 8 Pods continuous, m prickly, 4-sided and 4-val red. Petals united. Sta. 8 IO..SCHRANKIA. 2 

 m smooth, n Petals distinct. Pod linear. Stamens5 or 10. .DESMANTHUS. 3 



n Petals distinct. Pod oblong. Stamens 10 NKPTUNIA. 4 



n Petals united. Trees, shrubs. Sta. 00, monadel.-ALBizziA. 5 



n Petals distinct, ylw. Shrubs. Stamens 00 .. ACACIA. (5 a) 58 



Flowers perfect, red or yellow, showy. Trees or shrubs. Lvs. bipinnate..PoiNCiANA.(9u) 59 



S Flowers perfect, red or rose-colored. Trees with simple broad leaves CEKCIS. 9 



Flowers perfect, yellow (in our species). Herbs with pinnate leaves CASSIA. 8 



gg Flowers imperfect, greenish. Trees thoruless, with bipinnate leaves GYMNOCLADOS. 6 



Trees thorny. Lvs. pinnate and bipinnate. . .GLEDITSCHIA. 7 



. PODALYRB.*. c Trees. Leaves pinnate. Pod flat and thin OLADASTKIS. 10 



Trees or shrubs. Lvs. ternate. ..CALLISTACUYS, 60, or pinnate in. .SOPHORA (10) 61 



e Shrubs in the greenhouse, with simple, spiny-toothed leaves CHORIZEMA. (10 A) 62 



Herbs. p Pod inflated, stipitate. Leaves 1-3-foliate BAPTISIA. 11 



p Pod flattened, sessile. Leaves 3-foliate TBERMOPSIS. 12 



b \\C\IM. d Erect. Tendrils obsolete. Fls. white, with a black spot on each wing.. FABA. 13 



d Climbing. v Leaflets serrate. Pods 2-seeded ICKK. 14 



q lifts, entire. r Sty. grooved on the back. Sds. 3 9glob..PisuM. . IS 

 r Sty. flattened on the bk. Sds. 3-8, Saltish. LATHYRUS. 16 



r Sty. flattisb. Seeds 1 or 2, lens-shaped LENS. (17 a) 64 



r Style filiform. Seeds 27, roundish VICIA. 17 



I HBOTSAEIA. < Fls. yellow. Leaves palmately 4-foliate. Stain. raonadelphoua..ZoKNiA. 18 



Leaves pinnate, 7-49-foliate. Stam. diadelphons. ../ESCHYNOMEHK 19 

 it Lvs. pinnately 3-7-foliate. Stam. monadelphous. .CHAPMANIA. 20 

 < Leaves pinnately 3-foliate. Pod slender at base. . .STYLOSANTHES.21 

 Leaves piunately 4-foliate. Pod gibbous at base.. ARACHIS. 22 



Fls. cyanic. u Lvs. pinnate, 5-21-foliate. ( umbels pedunculate... CORONILLA. 23 



( rac. pedunculate HEDYSARUM. 24 



u Lvs. pin. 3-foliate. ( stipellate. Pod 3-7-)ointed...DESMODiUM. 25 

 t exstipellnte. Pod 1 -jointed. .LKSPEDEZA. 26 

 . LOTKM (including GKXISTE^B, Gen. 2730, TRIFOLIE<K, 3134, and GALKGE.B, 35 48). 



/ Leaves wanting ; if present, simple. Flowers yellow SPARTIUM. 27 



/ Leaves present, simple. Flowers yellow. D Keel oblong, straight GENISTA. 28 



v Keel falcate, pointed CROTALARIA. 29 



/ Leaves palmately 5-15-foliate (rarely simple). (Genus 35, or) LUPIN us. 30 



/ Leaves palmately 3-foliate. w Small tree with yellow hanging racemes LABURNUM. 31 



w Shrubs. Fls. ylw., axil. Someof thelvs. simple.. CYTISUS. (31 a)65 

 u? Herbs with straight, small pods. Fls. capitate... TRIFOLIUH. 32 



t LVB. pinnately 3-foliate. x Pods curved or spiral. Fls. in spikes, heads. Ac MKDICAGO. 33 



x Pods long and long-pointed. Flowers axillary.. TRIGONELLA, (33 a) 66 

 x Pods 1-2-seeded. Rao. (red, Gen. 50) white or yellow.. MELILOTUS. 34 

 x Pod 1-seeded. y Fls. yellow. Lvs. resinous dotted.. (Genus 48 



;/ Fls. cyanic. z Lvs. dark-dotted. .P.SORALEA. 35 

 2 Lvs. not dotted... .(In Genus 26 



/ liTJt pinnate, with no odd leaflet. * 15 to 25 pairs. Tall. Fls. yellow. S SESBANIA. 36 



*1 to 6 pairs. Flowers purple. Cult OROBUS. (13 a) 63 



f LTB. odd-pinnate, A dotted with dark glands. k Shrub. Fls. spicate AMORPHA. 37 



k Herbs 10-androus DALEA. 38 



k Herb 5-androus PETALOSTKMOX.39 



A J itless. {Herbs. Style glabrous. Pod partly 2-celled. ..ASTRAGALUS. 40 



{Herbs. Style hairy. Pod l-celled TEPHROSIA. 41 



{Herbs. Style glabrous. Pod l-celled INDIGOFKRA. 12 



t' Trees or shrubs. Flowers white or roseate ROBINIA. 43 



t Shrubs with yellow flowers COLUTKA. 44 



i Shrubs with scarlet flowers CLIANTHUS.(44 .11 67 



L fm^MKOl,iM.g Lvs. pinnate, 5-15-foliate. m Vine shrubby. Keel falcate WISTARIA. 45 



m Herbs. Keel (straight, Gen. 41) spiral.. APIOS. 46 



g Leaves pinnately 3-(rarelj l)-foiiate. . . (rt) 



n Flowers yellow. Legumes 5-seeded VIGNA. 47 



n Flowers yellow Legumes 1-2-seeded BHTNCHOSIA, 4A 



+ Flowers cyanic. .(*' 



