112 LEGUMINOSJE. (PULSE FAMILY.) 
ducous, or the lower ones larger and persistent; racemes numerous, short, few- 
flowered, somewhat leafy at the base; bracts ovate-lanceolate, persistent; . 
flowers small, on long 2-bracted pedicels ; ovary villous; legume small, ovoid, 
slender-pointed. — Dry sandy soil, Florida and the southern parts of Georgia. 
May and June. — Stem 2° high. Leaflets 1’ long. Plant unchanged in 
vine F 
10. B. Serenæ, M. A. Curtis. Very smooth, branching; leaves petioled ; 
leaflets oblong-obovate, cuneate ; flowers in a long loose central raceme, and in 
short racemes terminating the branches ; pedicels longer than the calyx in fruit ; 
segments of the calyx villous on the inside; legume oblong, inflated, the stipe 
longer than the calyx. — Society Hill, South Carolina, Curtis. May and June. 
— Stem diffusely branched, 1°-2° high. Leaflets 1'long. Legume 8” long. 
Allied to No. 7 and No. 11. Plant unchanged in drying. 
+ + Flowers white. 
li. B. alba, R. Brown. Smooth and glaucous ; branches slender, flexu- — 
ous, horizontal; leaves all distinctly petioled ; leaflets thin, cuneate-lanceolate or 1 
oblong, obtuse ; stipules and bracts minute, caducous ; raceme usually solitary, 
central, very long, those on the branches few-flowered ; legume cylindrical — — — 
Damp soil, Florida to North Carolina, and westward. April. — Stem 2°-3° — 
high, often purple. Leaflets 1! long. Racemes 19—39 long. Corolla j' long. 
Plant unchanged in drying. 
12. B. leucantha, Torr. & Gray. Smooth and glaucous; branches —— 
spreading; leaves short-petioled ; leaflets oblong and obovate, obtuse; stipules ~ 
lanceolate, as long as the petioles, deciduous; racemes central, and terminating — — 
the branches, long, many-flowered ; ovary smooth ; legume large, oblong, much — 
inflated, long-stipitate. — River-banks, Florida to South Carolina, and westward. — 
March and April. — A stouter plant than the preceding, with larger leaves and 
flowers, changing blackish in drying. Legumes 1} long. 
13. B. leucophsea, Nutt. Hairy or smoothish ; stem stout, angled; 
leaves short-petioled ; leaflets varying from oblanceolate to obovate, rigid, T€ 
ticulate, soon smooth above; stipules and bracts leafy, ovate-lanceolate, pe — — 
sistent; racemes stout, declined, 1-sided ; flowers large, yellowish-white, on long — 
and slender erect pedicels; ovary villous ; legume ovoid, long-pointed. (B- 
bracteata, Muhl.) — Dry rich oak woods, Wrightsboro, Georgia, and westward- — 
_ April. — Stem low, with widely spreading branches. Racemes 4'-12' long- 
owes v jug to ro MN brown. Plant turns black wee 
+ + + Flowers blue. p: 
ve e australis, R. Brown. Smooth; leaves all short-petioled ; leaflets E 
cuneate-obovate ; stipules leafy, lanceolate, twice as long as the petioles; T? — 
cemes large, erect, many-flowered ; flowers (indigo blue) very large; bracts - 
deciduous ; 1 > oblong. (B. cærulea, Nutt.) — Banks of rivers, Georgia - 
(Pursh), and ard. June and July.— Stem mer Me. Mere 
more long. Legume long. Pen e coiere y 
