598 FABACEAE 
Raceme-rachis and pedicles pubescent with spreading 
hairs: bracts mostly larger than the pedicels : species 
Georgian. 20. B. bracteata. 
Raceme-rachis and pedicels pubescent with appressed 
hairs : bracts mostly shorter than the pedicels: species 
Texan. 21. B. Bushii. 
b. Pedicels over 1.5 em. long. 
Foliage glabrous except sometimes the ciliate leaflets and 
the interior of the calyx. 
Stems glaucous: leaflets glabrous: calyx glabrous 
within. 22. B. cuneata. 
Stems glabrous: leaflets ciliate : calyx pubescent within. 23. B. laevicaulis. 
Foliage copiously or manifestly pubescent. 24. B. leucophaea. 
B. Corolla blue. 25. B. australis. 
1. Baptisia perfoliata (L.) R. Br. Foliage glabrous, more or less glaucous. Stems 
3-9 dm. tall, widely branching : leaves simple; blades entire, leathery, perfoliate, orbicular 
or oblong-oval, 5-10 em. long, rounded at each end, finely reticulated : flowers axillary : 
pedicels 5-10 mm. long, ascending : calyx campanulate, 6-7 mm. long ; lobes ovate, nearl 
aslong as the tube: corolla yellow ; standard with a suborbicular notched blade; keel- 
petals 11-13 mm. long: pods oval or oblong-oval, 1-1.5 cm. long, short-stipitate, constricted - 
at both ends. 
On sand hills, Georgia and South Carolina. Spring. 
2. Baptisia simplicifdlia Croom. Foliage glabrous. Stems erect or ascending, 3-9 
dm. tall, more or less branched, zigzag: leaves simple ; blades entire, firm, ovate to oval, 
3-10 em. long, obtuse or notched, lustrous above, sessile: racemes 1-3 dm. long: pedicels 
slender, 5-10 mm. long, subtended by oblong or oval bracts: calyx campanulate, 5 mm. 
long ; lobes ovate or oblong-ovate, about as long as the tube: corolla yellow ; standard with 
a broadly obcordate blade ; wings and keel-petals oblong, about 1.5 cm long : pods about 
1.5 cm. long, oval, constricted at both ends. 
In dry pine or oak lands, Florida. Summer. 
3. Baptisia microphylla Nutt. Foliage glabrous, green when dried. Stems 3-9 dm. 
tall, widely branched: leaves 3-foliolate or the upper ones simple and entire: stipules 
ovate, variable in size, partially or wholly united with the leaf-blades : leaflets 3, blades 
obovate, cuneate or broadly spatulate, 1-3 cm. long, rounded at the apex or apiculate: 
flowers axillary, sometimes racemose at the ends of the branches : pedicels 8-10 cm. long: 
calyx campanulate, 5-6 mm. long ; lobes triangular, shorter than the tube: corolla yellow ; 
standard much shorter than the other petals, with a blade about 1 cm. broad: pods sub- 
globose or oval, 1-1.5 cm. long, stipitate, constricted at both ends. 
On sand hills, South Carolina to Florida and Alabama. Spring and summer, 
4. Baptisia LeCóntei T. & G. Foliage strigillose, green when dried. Stems 3-7 
dm. tall, much branched, zigzag : leaflets 3, the blades oblanceolate to cuneate, 1-4 cm. 
long, obtuse or apiculate: raceme-like panicles numerous, loosely flowered : peduncles 
slender, 1-3 cm. long, subtended by ovate or ovate-lanceolate acuminate bracts : pedicels 
shorter than the peduncles subtended by lanceolate bractlets: calyx campanulate, 5-6 mm. 
long ; lobes triangular, about as long as the tube : corolla yellow ; standard with a blade 
about 1 em. broad : pods slender-beaked, the body ovoid or oval, 1-1.2 em. long, stipitate. 
In sandy soil, Georgia and Florida. Spring. 
5. Baptisia calycósa Canby. Foliage glabrous or nearly so, turning dark in dry- 
ing. Stems 4-11 dm. tall, much branched : stipules linear or linear-lanceolate : leaflets 3, 
the blades firm, cuneate to spatulate, 1-3.5 cm. long, retuse or apiculate : racemes numer- 
ous, 5-15 cm. long: peduncles slender, 1-4 em. long, subtended by oblong or oblong- 
lanceolate bracts: pedicels much shorter than the peduncles, subtended by bractlets similar 
to the bracts: calyx glabrous; tube campanulate ; lobes leaf-like, spatulate, several times 
longer than the tube: corolla yellow, hardly surpassing the calyx-lobes : pods longer than 
the calyx or shorter, the body ovoid, 1.5-2 cm. long, beaked. 
In sandy pine lands, eastern Florida. Spring. 
6. Baptisia hirsita Small. Foliage hirsute. Stems several dm. tall, much branched, 
stoutish : stipules oblanceolate or oblong-elliptic : leaflets 3, the blades oblanceolate, Spà 
ulate or cuneate, 1-2 cm. long, obtuse or apiculate, conspicuously ciliate: peduncles 1-?. 
em. long, shorter than their oblong-elliptic or lanceolate bracts: pedicels 1-2 mm. long, 
subtended by bractlets which are narrower than the bracts : calyx hirsute ; tube ampa 
late ; lobes leaf-like, longer than the tube, oblong-spatulate, acute : corolla yellow, 
tinctly surpassing the calyx-lobes. 
In dry pine woods, northwestern Florida. Spring. . $ 
7. Baptisia tinctòria ( L.) R. Br. Foliage glabrous, usually turning black in arree 
Stems 3-12 dm. tall, much branched : leaflets 3, the blades obovate or spatulate-cuneat®, 
