598 FABACEAE 



Raceme-rachis and pedicles pubescent with spreading 

 hairs : bracts mostly larger than the pedicels : species 

 Georgian. 20. B. bracieata. 



Raceme-rachis and pedicels pubescent with appressed 

 hairs : bracts mostly shorter than the pedicels : species 

 Texan. 21. B. Bitshii. 



b. Pedicels over 1.5 cm. 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. laevicaitlis. 

 Foliage copiously or manifestly pubescent. 24. B. leucophaea. 



B. Corolla blue. 25. If. australis. 



1. Baptisia perfoMta (L. ) K. 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 cm. long, rounded at each end, finely reticulated : flowers axillary : 

 pedicels 5-10 mm. long, ascending : calyx campanulate, 6-7 mm. long ; lobes ovate, nearly 

 as long 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 simplicifolia 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 cm. long, obtuse or notched, lustrous above, sessile : racemes 1-3 dm. long : joedicels 

 slender, 5-10 mm. long, subtended by oblong or oval Ijracts : 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 tlie ends of the branches : 2:)edicels 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 LeCdntei 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 cm. broad : pods slender-beaked, the body ovoid or oval, 1-1.2 cm. long, stipitate. 



In sandy soil, Georgia and Florida. Spring. 



5. Baptisia calycosa 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 cm. long, subtended by oblong or oblong- 

 lanceolate bracts : pedicels mucli shorter than the peduncles, subtended by bractlets similar 

 to the bracts : calyx glabrous ; tube campanuhate ; 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 saudy pine lands, eastern Florida. Spring. 



6. Baptisia hirsuta Small. Foliage liirsute. Stems several dm. tall, much branched, 

 stoutish : stipules oblanceolate or oblong-elliptic : leaflets 3, the blades oblanceolate, spat- 

 ulate or cuneate, 1-2 cm. long, obtuse or apiculate, conspicuously ciliate : peduncles 1-1.5 

 cm. long, shorter than their oblong-elliptic or lanceolate bracts: pedicels 1-2 mm. long, 

 subtended by bractlets which are narrower than tlie bracts : calyx liirsute ; tube campanu- 

 late ; lobes leaf -like, longer than the tube, oblong-spatulate, acute : corolla yellow, dis- 

 tinctly surpassing the calyx-lobes. 



In dry pine woods, northwestern Florida. Spring. 



7. Baptisia tinctoria (L. ) R. Br. Foliage glabrous, usually turning black in drying. 

 Stems 3-12 dm. tall, much branched : leaflets 3, the blades obovate or spatulate-cuneate, 



