LEGUM1N0S.E. (pulse FAMILY.) 121 



Una. May. — Stem 2"^ high. Leaves 2' -.3' long. Flowers small, yellow; 



ve.xillum orbicular, emargiuate, shorter than the wings and keel. Ovary and 



style smooth. 



* * Leaves trifoliolale, petiolecl. 



■*- Flowers yellow. 



3. 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 a.xils, and in short 

 terminal racemes, siiort-pedicelled ; ovary villous ; legume ovate or globose, 

 coriaceous, slender-pjinted. — Dry pine barrens. Ajiril-May. — 8tem 2° 

 high. Leaflets r-2' long. Plant turns black in drying. 



4. B. villosa, Ell. Pubescent; leaves short-petioled ; leaflets oblong 

 and obovate, tapering at the base, becoming smooth above ; lower stipules 

 and lanceolate bracts persistent; racemes many-flowered, declining; ovary 

 villou.s ; legume smoothish, coriaceous, oblong, strongly beaked. — Dry sandy 

 soil, North Carolina. May. — Stem stout, 2° high. Leaves and flowers larger 

 than in Xo. 3, the latter on slender pedicels. Plant turns black in drying. 



5. B. megacarpa, C'hapm. Stem smooth, with slender widely spread- 

 ing branches ; leaves on slender petioles; leaflets thin, elliptical or obovate, 

 minutely pubescent and glaucous beneath ; stipules and bracts caducous ; 

 racemes numerous, terminal and opposite the leaves, few-flowered ; flowers 

 large, pale yellow, on slender drooping pedicels ; ovary smooth ; legume large, 

 thin, ovoid, slender-pointed. — Light rich soil, Gadsden County, Middle Flor- 

 ida. May. — Stem 2° - 3° high. Leaflets 1^' - 2' long. Legume 1' - H' long. 

 Plant unchanged in drying. 



6. B. tinctoria, R. Brown. Smooth ; branches slender, elongated ; 

 leaves small, on sliurt petioles, the upper ones nearly sessile ; leaflets wedge- 

 obovate ; stipules and l)racts minute, caducous ; racemes numerous, short, 

 few-flowered ; flowers small, on short and bractless pedicels ; ovary smooth ; 

 legume small, roundish, slender-pointed. — Dry sandy soil. May -June. — 

 Stem 2° high. Leaflets ^' - 1' long. Plant usually becomes blackish in drying. 



7. B. stipulaeea, Ravenel. Smooth; branches spreading; leaves 

 small, short-petioled, 2 - 3-f oliolate, the upper ones mostly simple and partly 

 cla.sping; 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 pubes- 

 cent on the edges; legume small, ovoid, slender-pointed. (B. microphylla, 

 Nutt.) — Sand-hills, near Aiken, South Carolina (Ravenel). June -July. — 

 Stem 2° -3^ liigh. Leaflets ^'-f long. Plant nearly unchanged in drying. 



8. B. Lecontei, Torr. & Gray. Pubescent; stem diffusely branched; 

 leaves small, short-petioled ; leaflets cuneate-obovate ; stipules sul)ulate and 

 caducous, 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- June. — Stem 2° l)igh. Leaflets 1' long. Plant unchanged in drying. 



