LEGUMINOS.E. (PULSE FAMILY.) 103 



(9 & 1). Style bearded on the side facing the vexillum. Legume com- 

 pressed, many-seeded, the seed-bearing suture margined. Seeds flat. Trees 

 or shrubs, often with stipular spines, unequally pinnate leaves, and showy 

 white or rose-colored flowers iu axillary racemes. 



1. R. Pseudacacia, L. (Locusr, FALSE ACACIA.) Smoothish; spines 

 small on the older branches, straight; leaflets 9 - 1 7, oblong-ovate or ellip- 

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

 4 _ 6-seeded. Rich soil, in the upper districts. April - May. A tree 30- 

 60 high, with hard and durable wood. Racemes 3' -5' long. Calyx spotted 

 Legume smooth. Flowers fragrant. 



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

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

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

 bristle ; flowers crowded in roundish erect racemes, rose-color ; legume 3-5- 

 seeded. Banks of streams, on the mountains of Georgia and Carolina. 

 May - June. A tree 20 - 40 high. Flowers inodorous. 



3. R. hispida, L. Branches, etc. more or less bristly; stipules very 

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

 ovate, rounded or slightly cordate at the base, tipped with a long bristle; 

 flowers large, in a loose and mostly pendulous raceme, bright rose-color. 

 Mountains of Georgia and North Carolina, both the ordinary form, and the 

 var. ROSEA (Pitrsh), with pubescent branches and few-flowered racemes. 

 May. Shrul) 3 - 8 high. 



Var. Elliottii. Branches, etc. pubescent; stipular spines very stout, 

 spreading or recurved. (R. hispida, var. rosea, Ell.) Pine barrens in the 

 central parts of Georgia, and southward. Shrub 3- 5 high, with thick and 

 rigid branches. A still smaller form, scarcely a foot high (var. nana, Ell.), is 

 found at Columbia, South Carolina. 



12. WISTARIA, Nutt. 



Calyx campanulate, somewhat 2-lipped ; the upper lip broad, 2-cleft, the 

 lower 3 -cleft. Vexillum large, with 2 parallel ridges at the base. Stamens 

 diadelphous (9 & 1). Legume coriaceous, nearly terete, contracted bet\veen 

 the seeds, at length 2-valved. Twining shrubs, with unequally pinnate 

 leaves, and showy purple flowers, in a crowded raceme. 



1. W. frutescens, DC. Young leaves and branches silky-pubescent; 

 leaflets 9- 13, ovate-lanceolate or oblong; stipels none; racemes on short 

 branches, dense-flowered. Margins of swamps in the lower districts. April - 

 May. Leaflets 1' long. Racemes 4' -6' long, 2' -3' in diameter. Legume 

 1 - several-seeded. Bracts large, caducous. 



13. TEPHROSIA, Pers. 



Calyx nearly equally 5-cleft or 5-toothed. Vexillum large, roundish, spread- 

 ing or reflexed, usually white within, and reddish or purple and silky with- 

 out ; keel obtuse, cohering with the wings. Stamens monadelphous or din- 

 delphous. Style smooth or laterally bearded. Legume compressed, linear, 



