+ 
_ Marly unchanged in drying. Apparently allied to No. 3. 
LEGUMINOSÆ. (PULSE FAMILY.) 111 
3. B. microphylla, Nutt. Leaves sessile, roundish, cuneate at the base, 
the upper ones somewhat clasping; stipules leafy, rounded, the upper ones 
united with the leaves; flowers axillary, solitary, on short pedicels; legume 
roundish, Nutt. — Alabama and West Florida. — Leaves less than an inch long. 
Flowers unknown. 
* * Leaves trifoliolate, petioled. 
+ Flowers yellow. , 
4. B. lanceolata, Ell Pubescent when young, at length smoothish ; 
leaves on very short petioles, the upper ones nearly sessile; leaflets varying from 
lanceolate to obovate, thick, obtuse, tapering at the base ; stipules and bracts 
small and caducous ; flowers large, solitary in the axils, and in short terminal 
racemes, short-pedicelled ; ovary villous ; legume ovate or globose, coriaceous, 
slender-pointed. — Dry pine barrens, Florida to North Carolina, and westward. 
April and May. — Stem 2° high. Leaflets 1/-2' long. Plant turns black in 
drying. à 
EIE villosa, Ell. Pubescent ; leaves short-petioled ; leaflets oblong and 
obovate, tapering at the base, becoming smooth above ; lower stipules and Jance- 
olate bracts persistent ; racemes many-flowered, declining ; ovary’villous ; leg- 
ume smoothish, coriaceous, oblong, strongly beaked. — Dry sandy soil, North 
Carolina. May.— Stem stout, 2° high. Leaves and flowers larger than in 
No. 4, the latter on slender pedicels. Plant turns black in drying. 
6. B. megacarpa, Chapm. Stem smooth, with slender widely spreading 
branches ; leaves on slender petioles ; leaflets thin, elliptical or obovate, minutely 
pubescent and glaucous beneath ; stipules and bracts caducous ; racemes numer- 
ous, terminal and opposite the leaves, few-flowered ; flowers large, pale yellow, 
9n slender drooping pedicels ; ovary smooth ; legume large, thin, ovoid, slender- 
pointed, — Light rich soil, Gadsden County, Middle Florida, and along the Flint 
River, near Albany, Georgia. May.— Stem 2°-3° high. Leaflets 1}/-2! 
long. Legume 1/- 14 long. Plant unchanged in drying. 
7. B. tinctoria, R. Brown. Smooth; branches slender, elongated ; leaves 
small, on- short petioles, the upper ones nearly sessile ; leaflets wedge-obovate ; 
stipules and bracts minute, caducous ; racemes numerous, short, few-flowered ; 
flowers small, on short and bractless pedicels; ovary smooth; legume small, 
Toundish, slender-pointed. — Dry sandy soil, Georgia to Tennessee, and north- 
ward. May and June.— Stem 2° high. Leaflets }/-1/ long. Plant usually 
becomes blackish in drying. 
8. B. stipulacea, Ravenel. Smooth; branches spreading ; leayes small, 
short-petioled, 2 — 3-foliolate, the upper ones mostly simple and partly clasping ; 
leaflets round-obovate, cuneate at the base; stipules and bracts large, round- 
cordate, persistent ; flowers numerous, small, axillary, the upper ones racemose ; 
Pedicels short and bractless ; ovary smooth, or slightly pubescent on the edges ; 
. legume small, ovoid, slender-pointed. — Sand-hills, near Aiken, South Carolina, - 
rel. June and July.— Stem 29-39 high. Leaflets 1'-4' long. 
9. B. Lecontei, Torr. & Gray. Pubescent; stem diffusely bran 
