600 FABACEAE 



leaflets 3, the blades obovate or oblong-obovate, sometimes slightly rhombic, obtuse or 

 notched at the apex : stipules lanceolate, mostly shorter than the petioles, rather per- 

 sistent : racemes 1-2 dm. long, few-flowered : pedicels 2-4 mm. long : bracts deciduous : 

 calyx longer than the pedicel, 7-8 mm. long ; lobes triangular, acute, shorter than the tube, 

 pubescent within : corolla sulphur-yellow, 2 cm. long ; standard with a crisped blade : 

 pods subglobose, 1.5-2 cm. in diameter, the stipe surpassing the calyx. 

 On prairies, the Indian Territory. Spring. 



15. Baptisia megacarpa Chapm. Foliage mainly glabrous, unchanged in drying. 

 Stems 5-9 dm. tall, with spreading branches : leaflets 3, the blades thinnish, elliptic to 

 ovate or obovate-elliptic, 4-8 cm. long, minutely pubescent or glaucous beneath, usually 

 obtuse at the apex, acute or short-acuminate at the base : racemes 1-1.5 dm. long, short- 

 peduncled : pedicels 8-10 mm. long : calyx campanulate, stout, 1 cm. long ; lobes, except 

 the upper one, triangular or triangular-ovate, acute : corolla pale yellow, 2 cm. long ; 

 standard with a blade nearly 1.5 cm. broad : pods fragile, the body bladder-like, oval or 

 ovoid, about 4 cm. long, about 2 cm. thick, slender-pointed, the stipe as long as the calyx. 



In rich or sandy soil, Georgia and Florida. Spring. 



16. Baptisia Serenae M. A. Curtis. Foliage glabrous, light green. Stems 3-7 dm. 

 tall, widely branched : leaflets 3, the blades obovate to spatulate-oblanceolate, slightly 

 re volute, 1.5-4 cm. long, unchanged in drying : racemes terminal, 1 main one 3-4 dm. 

 long, and the other smaller ones terminating the branches : pedicels 5-10 mm. long : calyx 

 campanulate, 4 mm. long ; lobes, except the upper one, triangular, acute : corolla brig'ht 

 yellow, less than 1.5cm. long: pods firm, the body oblong, 1.5-2 cm. long, beaked, long- 

 stipitate. 



On sand hills, South Carolina and Georgia. Spring. 



17. Baptisia alba (L. ) R. Br. Foliage glabrous, light green, unchanged in drying. 

 Stems 3-9 dm. tall, with spreading branches : leaflets 3, the blades thickish, oblanceolate- 

 oblong, 2-7 cm. long, mostly obtuse or mucronulate : racemes various, one erect and elon- 

 gated, 3-5 dm. long, others terminating the branches and shorter : pedicels slender, 8-10 

 mm. long: calyx campanulate, 5-7 mm. long; lobes triangular or ovate-triangular, much 

 shorter than the tube : corolla white, less than 1.5 cm. long : pods oblong, 2-2.5 cm. long, 

 short-beaked, the stipe surpassing the calyx. 



In rich soil, Ontario to Minnesota to Florida and Texas. Spring and summer. 



18. Baptisia alb&tcens Small. Foliage finely pubescent with more or less glandular 

 hairs. Stems 0.5-1.5 m. tall, somewhat branched, the branches zigzag : leaflets 3, the blades 

 oblong to oblanceolate, 2-6 cm. long, mostly obtuse or retuse, often becoming glabrous 

 above, much longer than the petiole : racemes 1-2 dm. long, mostly shorter than the pe- 

 duncles : pedicels 5-8 mm. long, more densely pubescent than the rachis : calyx 5-6 mm. 

 long ; lobes much shorter than the tube, the lower ones ovate : corolla white or cream- 

 colored, fully 1.5 cm. long : pods 2.5-3 cm. long, thicker than those of B. alba. 



In sandy woods, North Carolina and Tennessee to Georgia and Alabama. Spring. 



19. Baptisia leucaiitha T. & G. Foliage glabrous, glaucous, blackening in drying. 

 Stems 4-10 dm. tall, widely branching : leaflets 3, the blades thickish, oblong-oblanceo- 

 late to ovate or cuneate, 2-5 cm. long, mostly obtuse or retuse, undulate : racemes 

 elongated, 2-5 dm. long, short-peduncled : pedicels 3-10 mm. long : calyx campanulate, 

 7-9 mm. high, nearly as broad ; lobes, except the upper one, triangular, acute or acutish, 

 sinuses V-shaped : corolla white, 2qm. long ; standard with a suborbicular blade about 1.5 

 mm. broad : pods firm, the body oblong, 2-3 cm. long, the stipe as long as the calyx. 



On river banks, Ontario to Minnesota, North Carolina, Florida and Texas. Spring and summer. 



20. Baptisia bracteata Muhl. Foliage softly pubescent with loose hairs, turning 

 black in drying. Stems 3-6 dm. high, with widely spreading branches : stipules lanceo- 

 late : leaflets 3, the blades firm, narrowly oblanceolate or rarely elliptic-obovate, 6-10 cm. 

 long, obtuse or notched at the apex, barely reticulated, acuminate at the base : racemes 

 1-2 dm. long, short-peduncled, declined : pedicels 1-1.5 cm. long, subtended by lanceolate 

 acuminate bracts : calyx loosely pubescent, glabrate, 8-9 mm. long ; lobes lanceolate, acumi- 

 nate, nearly as long as the tube : corolla cream-colored, 2-2.5 cm. long ; standard with an 

 orbicular-reniform blade 1.5-1.7 cm. broad : pods firm, the body elliptic, 4-5 cm. long, 

 slender-beaked, the stipe as long as the calyx. 



In dry rich soil, middle Georgia. Spring. 



21. Baptisia Busbii Small. Foliage pale green, pubescent, at least the younger 

 parts, with appressed hairs, not turning black in drying. Stems several dm. tall, widely 

 branched : stipules ovate-lanceolate to lanceolate ; leaflets 3, blades thickish, oblanceolate to 

 elliptical-oblanceolate, 3-6 cm. long, obtuse finely reticulated ; racemes about 1 dm. long, 



