82 ORDER 43. LEGUMINOS^E. 



Keel with stamens and style spirally twisted. B ashy or twining **HASEOLCS. 49 



Keel straight or merely incurved. . .(o) 



o Shrubby at base. Flowers and seeds scarlet. Wings and keel very si . rt. rf. .ERYTHRINA. 50 



o Herbs. x Calyx ebracteolate. Style beardless. Petals suberect, pale AMPHIOARP^BA 51 



x Calyx 2-bracteolate, v 4-cleft. Style beardless. Fls. pale GALACTIA. 52 



y 4-toothed. Style bearded at top DOLICHOS* 53 



y 5-cleft, Innjj. Style bearded inside CLITORIA. 54 



y 5-cleft, short. Style bearded at top CENTROSKMA. 55 



y 5-lobed. Style beardless. Cultivated... KENNEDYA. 56 



y 4-toothed. Style beardless. Cult UARDENBBRGIA.S? 



1. MIMOSA, L. SENSITIVE PLANT. (MY/zo?, a buffoon: the leaves 

 seem sporting with the hand that touches them.) Fls. $ S <5 . 5 Calyx 

 vaivate, 5-toothed. Cor. 0, or 5-toothed. Stani. 4 15. Legume separated 

 into 1-seeded joints. $ Like the perfect, but without ovaries or fruit. 2f ^> 

 Tropical. Leaves bipinnate. 



1 M. strigillosa T. & G. Nearly nnarmed, prostrate, diffuse, strigous ; stip. ovate ; 



petioles and peduncles very long ; pinnae 4 to 6 pairs ; lilts. 10 to 15 pairs, oblong-linear ; 

 heads oblong, u Fla. to La. Flowers rose-color. 



2 OT. PUDICA L. St. prickly, more or less hispid ; Ivs. digitate-pinnate, pinnae 4, of many 



(30 or more) pairs of linear leaflets. Brazil. If. Leaflets 3". 



2. SCHRANKIA, Willd. SENSITIVE BRIER. (In honor of Francis de 

 Paula Schrank, a German botanist.) Fls. $ . Cal. minute, 5-toothed. 

 Pet united into a funnel-shaped, 5-cleft corolla. Stam. 8 10. Pod long 

 and narrow, echmate, diy, 1-celled, 4-valved, many-seeded, n Prickly. 

 St. procumbent. Lvs. sensitive, bipinnate. Fls. in spherical hds., purplish. 



S. uncinata Willd. St. angled, grooved ; pinnae 6 to 8 pairs ; Ifts. numerous, minute, 

 elliptic-oblong or linear ; heads axillary, 1 to 2 together, on peduncles shorter than 

 the leaves. S. States. 2^f. Leaflets 2". May July. (& 8. angustata T. & G.) 



3. DESMANTHUS, Willd. (4edw, a bundle, ar$oS, flower.) Cal. 

 vaivate, 5-toothed. Pet. 5, distinct Stain. 5 or 10, distinct Pod diy, flat, 

 2-valved, 4-6-seeded, smooth, U 5 "With bipinnate Ivs. and white fls. in 

 axillary, pedunculate heads. Petioles with 1 or more glands. 



D. >racli$lolms Benth. Erect, smopthish; pinnae 6 to 13 pairs ; Ifts. minute, 20 to 

 X pairs ; gtam. 5 ; pods short 1', 2-4-seeded. V 111. to La. 2f. June Aug. 



4. NEPTUNEA, Lour. Anthers 10, crowned with a stipitate gland. 

 Pod oblong, oblique, deflexed on the stipe, 2-valved. Otherwise as in 

 Desmanthus. 



N. lu tea Benth. Sts. ascending, strigoua ; pinnae 45 pairs ; Ifts. linear-oblong, ciliate, 

 crowded ; ped. longer than the leaves ; pod 5-8-seeded. ii Prairies, Fla. to La. The 

 leaves similar to those of Mimosa. Flowers yellow. Pods stiped. (Acacia lutea C-B.) 



5. ALBIZZIA, Durazz. Calyx 4- or 5-toothed. Petals united into a 

 funnel-form corolla. Stamens oo, monadelphous at base, very long. Pod 

 linear and flat, jointless, dry, 2-valved, many-seeded. ^> J> Tropical, with 

 the leaves twice pinnate. Flowers in dense heads or spikes, roseate or 

 white, polygamous. 



A. JULIBRASSIN. Silk Tree. Tree about 20f, glabrous, thornless ; pinnae 812 pairs, 

 each with 2030 pairs of halved leaflets (being ons-sided), acute ; heads peduncu- 

 late, forming a terminal panicle ; corollas white, with the innumerable long >41ky 

 stamens purplish; pods some contracted between the seeds. Very ornamental, 

 hardy SoXith, sparingly naturalized in the Gnlf States. 



