'J4 LKGUMINOS.E. (I'Lri.SE FAMILY.) 



to Mississipj)i, aiul northwanl. May and June. — Shrub G°- 15° high. Leaf- 

 lets I'-l^' long. Racemes mostly panicled. 



2. A. herbacea, Walt. Pubescent or glabrous ; leaves sliortpetiolcd ; 

 leaflets 15 -.3."), rigid, oval or oblong, conspicuously dotted; racemes spicatc, sin- 

 gle or panicled ; calyx-teeth villous ; the two ujjpcr ones short and obtuse, tiic 

 lower more or less elongated and acute; legume 1 -seeded. (A. puniila, Mic/ix. 

 A. pubcscens, Willd. A. Caroliniana, Crooin.) — Low pine barrens, Florida to 

 North Carolina, and westward, June and July. — Slirul) 2° -4° high, with pur- 

 ple branches. Leaflets smaller and more crowded than in No. 1. Flowers blue 

 or white. 



3. A. canescens, Nutt. Iloary-tomentose ; leaves sessile ; leaflets lui- 

 mcrous, small, elliptical, crowded ; spikes short, panicled, dense-flowered ; calyx- 

 teeth acute, nearly equal; legume 1 -seeded. — Near Augusta, Georgia, and 

 west^vard. July and August. — Shrub l°-2° high. Flowers bright blue. 



11. ROBINIA, L. Locust. 



Calyx short, .5-tootlied or 5-cleft, the two upper teeth shorter and more or less 

 united. Vcxilhim large, roundish ; keel obtuse. Stamens diadelj)lious (9 & 

 1). Style bearded on the side facing the vcxillum. Legume compressed, many- 

 seeded, the seed-bearing suture margined. Seeds flat. — Trees or shrubs, often 

 with stijjular s])ines, unequally pinnate leaves, and showy white or rose-colored 

 flowers in axillary racemes. 



1. R. Pseudacacia, L. (Locust. False Acacia.) Smoothish ; 

 spines small on the older branches, straight; leaflets 9-17, oblong-ovate, or 

 elliptical; racemes pendulous, oblong, many-flowered; flowers white; legume 

 4-G-seedcd. — Ivich soil, in the upper districts. April and May. — A tree 30°- 

 60° liigh, with liard and durable wood. Racemes 3'- 5' long. Calyx spotted. 

 Legume smooth. Flowers fragrant. 



2. R. viscosa, Vent. Branches, petioles, peduncles, and legumes glandular- 

 viscid ; spines very small ; leaflets 11 -25, ovate and oblong, ol)tuse or slightly 

 <'ordatc at the base, jialer and ])ubescent beneath, tij)ped with a short bristle ; 

 flowers crowded in roundish erect racemes, ro.se-color ; legume 3- 5-seeded. — 

 lianks of streams, on the mountains of Georgia and Carolina. May and -June. 

 — A tree 20° -40° high. Flowers inodorous. 



3. R. hispida, L. Branches, &c. more or less bristly ; stipules very slen- 

 der and bristle-like, deciduous; leaflets 11-18, smooth, ovate or oblong-ovate, 

 rounded or slightly cordate at the ba.se, tii>pcd with a long bristle ; flowers large, 

 in a loose and mostly jiendiilous raceme, bright mse-color — Mountains of Geor- 

 gia and North Carolina, both the ordinary form and the var. kosi;a, rnisli, whh 

 pul)esccnt lirMinhcs and few-flowered racemes. May. — Shrub 3° - 8° high. 



Var. Elliottii. Branches, &c. pubescent; stipnlar si)ines very stout, spread- 

 ing or recurved. (R. liispida, var. rosea, Ell.)—V\\w baiTcns in the central 

 parts of Georgia and southward. — Shiid> .•}°-.'>o high, with thick and rigid 

 branches. A still smaller (orm, scarcely a foot high (var. mma, Ell.), is found 

 at Coluiubia, Souili Carolina. 



