Order 4G.— LEGtrinxo'^^n. 319 



i 

 low. Lfts. about 9" by 1'', beautifully striate, am'i w;ir_v at cdgo. Pods 8traigl-.t 

 (always?) May, JJ. 



/3. GSAOILIOB. Nearly glabrous, slender; lfts. fjw, oblong (9" by 3''.) Tlaiit 

 3 to 9' long. Pod small (15" long.) Hs. reddish purple as above.— -CJoviug- 

 ton, La. (Hale.) i» 



41. INDIGOTERA, L. Ikdigo-plant. (Lat. Indigo, fero^ to bc.ir.) 

 Calyx witli 5 acute segments ; vexillum roundish, emarginatc ; koc! 

 spurred each side, at length reflexod ; legume 2-valved, 1 to oo-seedcd. 

 — Herbs or shrubs. Stip. small, distinct from the petiole, FLs. 

 cyanic. 



1 I. Caroliniina Walt. Herb erect, branehed ; Ivs. unequally pinnate ; lfts. 1 1 

 to 15, oblong-ovate, petiolulato ; rac. slender, longer than the Ivs.; leg. pendu- 

 lous, oblong, rugose, veiny, i-seechd. — '4 Sandy vroods, ,N. Car. (Dr. Poroher) lo 

 Fla. St. 3 to 7f high. Lfts. 9 to 1 2" long, obtuse or retuso. Rao. 3 to G' louf: ; 

 fls. pedieellate, yellov/ish-brown. Calyx pubescent, small, %vith 5 short, subuJato 

 teeth. Jl., Sept 



2 I. leptos€pala Nutt. Herbs decumbent, strigous, with a.shy hairs ; Ivs. un- 

 equally pinnate, Z/te. t to 9, obovate-oblong, subsessile, nearly glabrous above; 

 rao. longer than the Ivs., fls. nearly sessile ; leg. linear, reflexed, 6 to S-seedcd. — 

 Ga. to Ark. St. 2 to 31' long. Fls. pale scarlet. Pods IJ' long, pointed. 



42. ROBIN'IA, L. Locust. (In memSry of John Robin, hcrbalisl 

 to Louis XIV.) Calyx short, campanulatc, 5-cloft, the 2 upper seg- 

 ments more or less coherent ; vexillum large ; alas 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. Pseudaodcia L. Common Locust. Branches armed with stipular 

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

 gumes. — Native in Pcnn. and the more Southern and Western Stales, and abun- 

 dantly naturalized in N. Eng. Eight 30 to SOfJ with a diam. of 1 to 3 or if. 

 Tho pinnate lvs. have a beautiful symmetry of form, each composed of 8 to 1 3 

 pairs of lfts. , 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, 

 diffiising an agreeablo fragrance. Pod narrow, flat, with 5 or 6 small, brown 

 seeds. When young the tree i.s armed with thorns, which disappear in its matur- 

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



2 R. viscdsa Vent. Clammy Locust. Stipular spines very short ; branchlets, 

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

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

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

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

 garden. Apr., Jn. 



3 R. hfapida L. Rose Acacia. Stipular spines almost wanting, shrub mostly 

 hispid; rac. loose, subercct. — A beautiful shrub, native of tho Southern States, 

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

 and very showy fls. Height 3 to 5 oi: 8f. Lfts. 5 or G pairs, broadly ovaL Fls. 

 inodorous, twice larger than those of the common locust. 



43. COLUTEA, L. Bladder Senna. Calyx 5-toothed ; 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 lvs. 



C. arbor^scens L. Lfts. elliptical, retuso; vex. shoitly gibbous behind. — A 



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



_ fummita of Mt. Vesuvius. Sts. 8 to 12f high. Lfts. about 0. Fls. large, yellow. 



