122 LEGUMINOS^. (PULSE FAMILY.) 



9. B. calycosa, Canby. Smoothish, much branched ; leaflets wedge- 

 obovate ; stipules and bracts lanceolate, persistent ; racemes numerous, ter- 

 minal, the long (!'- 2') pedicels bibracteolate ; lobes of the calyx lanceolate, 

 leafy, 4 times as long as the tube, and barely shorter than the yellow petals ; 

 legume ovate, acuminate, as long as the calyx. Near St. Augustine, East 

 Florida (Miss Reynolds). 



10. B. Serense, M.A.Curtis. Very smooth, branching; leaves peti- 

 oled ; leaflets oblong-obovate, cuueate ; flowers in a long loose central raceme, 

 and in short racemes terminating the branches ; pedicels longer than the calvx 

 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 -June. Stem diffusely branched, 1 - 2 high. Leaflets 1' long. Leg- 

 ume 8" long. Plant unchanged in drying. 



-i- -i- Flowers white. 



11. B. alba, R. Brown. Smooth and glaucous ; branches slender, flexu- 

 ous, horizontal ; leaves all distinctly petioled ; leaflets thin, cuueate-lauceolate 

 or oblong, obtuse; stipules and bracts minute, caducous; raceme usually soli- 

 tary, central, very long, those on the branches few-flowered ; legume cylindri- 

 cal. Dry woods, North Carolina, and westward. April. Stem 2 -3 

 high, often purple. Leaflets 1' long. Racemes 1- 3 long. Corolla $' 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, South Carolina, and westward. 

 March- April A stouter plant than the preceding, with larger leaves and 

 flowers, changing blackish in drying. Legumes 1-J-' long. 



13. B. leucophsea, Nutt. Hairy or smoothish ; stem stout, angled; 

 leaves short-petioled ; leaflets varying from oblanceolate to obovate, rigid, 

 reticulate, soon smooth above ; stipules and bracts leafy, ovate-lanceolate, 

 persistent ; racemes stout, declined, 1-sided ; flowers large, yellowish white, 

 on long and slender erect pedicels ; ovary villous ; legume ovoid, long-pointed. 

 Dry rich oak woods, Georgia, and westward. April. Stem low, with 

 widely spreading brandies. Racemes 4'- 12' long. Flowers 1' long, the vex- 

 illum spotted with brown. Plant turns black in drying. 



i- -i- H- Flowers blue. 



14. B. australis, R. Brown. Smooth; leaves all short-petioled ; leaflets 

 cuueate-obovate ; stipules leafy, lanceolate, twice as long as the petioles; ra- 

 cemes large, erect, many-flowered ; flowers (indigo blue) very large ; bracts 

 deciduous; legume oblong. Banks of rivers, Georgia (Purs/t), and west- 

 ward. June -July. Stem 2 -3 high. Flowers 1' or more long. Legume 

 2' long. Plant unchanged in drying. 



39. THERMOPSIS, R, Brown. 



Stamens mostly persistent. Legume linear or oblong linear, nearly sessile, 

 flattened, many-seeded. Stipules leafy, persistent. Otherwise chiefly as in 

 Baptisia. Flowers yellow. 



