ORDER 43.-LEGUMINOS^E. 81 



I Pods flat, composed of 1 or more 1-seeded joints. Petals united. Stamens 4 10. . MIMOSA. 1 



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



m smooth, n Petals distinct. Pod linear. Stamens 5 or IO..DKSMANTHUS. 3 



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



n Petals united. Trees, shrubs. Sta. oo, 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.O a) 59 



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



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



Flowers imperfect, greenish. Trees thornless, with bipinnate leaves GYMNOCLADUS 6 



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



L PODALTRK^K.C Trees. Leaves pinnate. Pod Hat and thin CLADASTKIS. 10 



c Trees or shrubs. Lvs. ternate. ..CALLISTACHYS, 60, or pinnate in..SoFHORA (lO'Ool 

 c Shrubs in the greenhouse, with simple, spiny-toothed leaves. . . .CHORIZEMA. (10 i) 65 



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



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



w VICIE.S. d Erect. Tendrils obsolete. Fls. white, with a black spot on each wing.. FABA. 13 



d Climbing. 9 Leaflets serrate. Pods 2-seeded CICER. 14 



q Lfts. entire. r Sty. grooved on the back. Sds. 39 glob . . PISUM. 15 



r Sty. flattened on the bk. Sds. 3-9, flattish. LATHY RUS. )6 

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



r Style filiform. Seeds 2 7, roundish VICIA. 17 



i HKDYSARKJR. Fls. yellow. * Leaves palmately 4-foliate. Stam. monadelphous..ZoRNiA. 18 



t Leaves pinnate, 7-49-foliate. Stam. diadelphous. .^SSCHYNOMK.NE 19 

 * Lvs. pinnately 3-7-foliate. Stam. monadelphous..CHAPMANtA. 20 

 Leaves pinnately 3-foliate. Pod slender at base. . .STYLOSANTHES.2I 

 * Leaves pinnately 4-foliate. Pod gibbous at base. .AKACHIS. 22 



< Fls. cyanic. Lvs. pinnate, 5-21-foliate. t umbels pedunculate. . .CORONILLA. 23 



t rac. pedunculate HEDYSARUM. 24 



u Lvs. pin. 3-foliate. t stipellate. Pod 3-7-jointed. . .DESMODIUM. 25 

 t exstipellate. Pod 1-jointed. .LESPEDEZA. 26 

 '. LoTKiS (including GKNISTE^E, Gen. 2730, TRIFOLIEJB, 3134, an-d GALKGE.E, 3548). 



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



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



v Keel falcate, pointed CROTALARIA. 29 



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



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



10 Shrubs. Fls. ylw., axil. Some of the Ivs. simple. .CYTISUS. (31 a) 65 

 ic Herbs with straight, small pods. Fls. capitate. . .TRIFOLIUM. 32 



/ Ifn. pinnately 3-foliate. x Pods curved or spiral. Fls. in spikes, heads, &c MEDICAGO. 33 



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

 x Pods 1-2-seeded. Ra*-. (red, Gen. 50) white or yellow. .MELILOTCS. 34 

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



;/ Fls. cyanic. 2 Lvs. dark-dotted. .PSOIJALKA. 35 

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



/ Lrt. 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 



/ Lr. odd-pinnate, h dotted with dark glands. k Shrub. Fls. spicate AMORPHA. 37 



/,- Herbs 10-androus DAI.KA. 38 



A- Herb 5-androus PETALOSTEMON.39 



h dotless. t Herbs. Style glabrous. Pod partly 2-celled. . . ASTHAGALUS. 40 



~i Herbs. Style hairy. Pod 1-celled TEPHROSIA. 41 



i Herbs. Style glabrous. Pod 1-celled INDIGOFERA, 42 



t Trees or shrubs. Flowers white or roseate ROBINIA. 43 



-i Shrubs with yellow flowers COLUTKA. 44 



i Shrubs with scarlet flowers CLIANTHUS.(44 a) 67 



& PaAOLKJC. <f Lvs. pinnnte, 5-15-foliate. m Vine shrubby. Keel falcate WISTARIA. 45 



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



g Leaves pinnately 3-(rarely l)-foiiate. . .(if) 



n Flowers yellow. Legumes 5-seeded VIGNA. 47 



n Flowers yellow Legumes 1-2-seeded RHYXCHOSIA, 40 



n Flowers cyanic. .(*) 



