ORDER 46.LEGUMIN03JE. 319 



low. Lfts. about 9" by 1 '', beautifully striate, and wavy at edge. Pods straight 

 (always?) May, Jl. 



ft. GRACILIOR. Ixearly glabrous, slender; Ifts. few, oblong (9" by 3''.) Plant 

 3 to 9' long. Pod small (15" long.) Fls. reddish .purple as above. -Coving- 

 ton, La. (Hale.) 



41. INDIGOTERA, L. INDIGO-PLANT. (Lat. Indiyo,fcro, to bear.) 

 Calyx with 5 acute segments ; vexillum roundish, emarginate ; keel 

 spurred each side, at length reflexed ; legume 2-valved, 1 to oo-seeded. 

 Herbs or shrubs. Stip. small, distinct from the petiole. Fls. 

 cyanic. 



1 I. Caroliniana "Walt. Herb erect, branched; Ivs. unequally pinnate ; Ifts. 11 

 to 15, oblong-ovate, petiolulate; rac. slender, longer than the Ivs.; kg. pendu- 

 lous, oblong, rugose, veiny, 2-seeded. } Sandy woods, N. Car. (Dr. Porcher) to 

 Fla. St. 3 to 7f high. Lfts. 9 to 12" long, obtuse or retuse. Rac. 3 to 6' long; 

 fls. pedicellate, yellowish-brown. Calyx pubescent, small, with 5 short, subulate 

 teeth. Jl.. Sept. 



2 I. leptosepala Xutt. Herbs decumbent, strigous, with ashy hairs : Ivs. un- 

 equally pinnate, Ifts. 7 to 9, obovate-oblong, subsessile, nearly glabrous above ; 

 rac. longer than the Ivs., fls. nearly sessile ; leg. linear, reflexed, 6 to 9-seeded. 

 Ga. to Ark. St. 2 to 3f long. Fls. pale scarlet. Pods !' long, pointed. 



42. ROBIN'IA, L. LOCUST. (In memory of JOHN ROBIN, herbalist 

 to Louis XIV.) Calyx short, campanulate, 5-cleft, the 2 upper seg- 

 ments more or less coherent ; vexillum large ; ala3 obtuse ; stamens 

 diadelphous (9 & 1); style bearded inside; legume compressed, elon- 

 gated, many-seeded. Trees and shrubs with stipular spines. Lvs. 

 unequally pinnate. Fls. showy, in axillary rac. 



1 R. Pseudacacia L. COMMON LOCUST. Branches armed with stipular 

 prickles; Ifts. ovate and oblong-ovate ; rac. pendulous, smooth, as well as the le- 

 gumes. Xative in Penn. and the more Southern and Western Stales, and abun- 

 dantly naturalized in N. Eng. Hight 30 to 8 Of, with a diarn. of 1 to 3 or 4f. 

 The pinnate Ivs. have a beautiful symmetry of form, each composed of 8 to 12 

 pairs of Ifts. , with one at the end. These are oval, thin, nearly sessile, and very 

 smooth, closing as if in sleep by night Fls. in numerous, pendulous clusters, 

 diffusing an agreeable fragrance. Pod narrow, flat, with 5 or 6 small, brown 

 seeds. "When young the tree is armed with thorns, which disappear ia its matur- 

 ity. Apr., May. The wood is very hard and durable. 



2 R. viscosa Vent. CLAMMY LOCUST. Stipular spines very short ; branchlets, 

 petioles, and leg. glandular-viscid ; Ifts. ovate ; rac. crowded, erect. This beautiful 

 tree is native of the Mts. of N. Car. to Ga., where it attains the hight of 40f. The 

 fls. numerous, rose-colored, in erect, axillary clusters, with the thick, dark green 

 foliage, render this tree one of the most brilliant ornaments of the park or the 

 garden. Apr., Ju. 



3 R. hispida L. ROSE ACACIA. Stipular spines almost wanting, shrub mostly 

 hispid; rac. loose, suberect. A beautiful shrub, native of the Southern States, 

 much cultivated in gardens for the sake of its numerous, large, deep rose-colored 

 and very showy fls. Height 3 to 5 or 8f. Lfts. 5 or 6 pairs, broadly oval. Fls. 

 inodorous, twice larger than those of the common locust 



43. COLITTEA, L. BLADDER SENNA. Calyx 5-toothcd; vexillum 

 with 2 callosities, expanded, larger than the obtuse carina ; stigma 

 lateral, under the hooked summit of the style, which is longitudinally 

 bearded on the back side ; legume inflated, scarious. Shrubs with un- 

 equally pinnate Ivs. 



C. arboresceiis L. Lfts. elliptical, retuse; vex. shortly gibbous behind. A 

 hardy, free-flowering shrub, native of Italy, &c., growing almost alone on the 

 summits of Mt. Vesuvius. Sts. 8 to 12f high. Lfts. about 9. Fls. large, yellow, 



