94 LKGUMIXOSVE. (PULSB FAMILY.) 



to Mississippi, and northward. May and June. — Shrub 6° - 15° high. Leaf- 

 lets l'-H'long. Racemes mostly panicled. 



2. A. herbacea, Walt. Pubescent or glabrous ; leaves short -petioled ; 

 leaflets 15-35, rigid, oval or oblong, conspicuously dotted ; racemes spicate, sin- 

 gle or panicled ; calyx-teeth villous ; the two upper ones 6hort and obtuse, the 

 lower more or less elongated and acute ; legume 1 -seeded. (A. pumila, Mickx. 

 A. pubescens, Willcl. A. Caroliniana, Croom.) — Low pine barrens, Florida to 

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

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

 or white. 



3. A. canescens, Nutt. Hoary-tomentose ; leaves sessile ; leaflets nu- 

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

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

 westward. July and August. — Shrub 1° - 2° high. Flowers bright blue. 



11. ROBINIA, L. Locust. 



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

 united. Vexillum large, roundish; keel obtuse. Stamens diadelpbons (9 & 

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

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

 witli stipular spines, unequally pinnate leaves, and showy white or rose-colored 

 flowers in axillary racemes. 



1. It. Pscudacacia, 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-sceded. — Rich soil, in the upper districts. April and May. — A tree 30°- 

 00° high, with hard and durable wood. Racemes 3'- 5' long. Calyx sjwtted. 

 Legume smooth. Flowers fragrant. 



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

 viscid ; spines very small ; leaflets 11 -25, ovate and oblong, obtuse or Blightly 

 cordate at the base, paler and pubescent beneath, tipped with a short bristle ; 

 flowers crowded in roundish erect racemes, rose-color j legume 3— 6-eeeded. — 

 Jianks of streams, on the mountains of Georgia and Carolina. May and dune. 

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



8. It. 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 base, tipped w iih a long bristle ; flowers large, 

 in a loose and mostly pendulous raccinc. bright POSe-COlor — Mountain- of < leor- 



gia and North Carolina, both the ordinary form and the var. boska, Pursh, with 

 pubescent branches and few flowered racemes. May. — Shrub 3° - 8° high. 



Var. Elliottii. Branch.-, &c pubescent i stipular Bpines very Btout, spread- 

 ing or recurved. (R. hispida, var. rosea, EU.) — Pine barrens In the central 

 of Georgia and southward. — Bhrnb B°-5° high, with thick and rigid 

 bnmchflf. A still smaller form, scarcely a foot high (var. nana, EM.), is found 

 at < 'ohiinbia. Soulli ( 'arolma 



