PULSE FAMILY. 123 



* Floivers yellow ; leaves simple, perfoJinlr. 



B. perfoliata, K. Br. Low and spreading, smooth aud glaucous ; 

 leaves round-nvate ; flowers single, small, axillary ; pod small and glob- 

 ular. Caruliua and Georgia. 



* * Flowers yellow ; leaves compound, o/3 leaflets. 



B. tinct6ria, R. Br. Wild Inuigo. Pale or glaucous, smooth, bushy, 

 2'^ high ; petiole very short ; leaflets small, wedge-obovate ; stipules minute, 

 deciduous; racemes few-flowered, terminating the branches ; pods small, 

 globular. Connnon. 



B. villdsa, Ell. Minutely downy, stout stems, 2° high ; leaflets spatu- 

 latc-olildug or wedge-obovate, becoming smooth above; petiole very 

 sh(irl ; stipules mnre or less persistant ; many-flowered racemes of large 

 flowers on slender pedicels ; pod minutely downy, oblong, taper-pointed. 

 Va. to N. C. and Ark. 



B. lanceolata. Ell. Downy when young; leaflets thickish, blunt, 

 lanceolate to obovate, very short; petiole spreading ; stipules small, 

 deciduous ; flowers rather large, solitary in the axils and in short terminal 

 racemes; pod globular, slender-pointed. Counnon S. and S. W. 



* * * Flowers ichite, or cream-color ; leaves all of i wedge-obovate to oh- 



lanceolate leaflets ; flowers in long terminal racemes. 



B. leucophsea, Nutt. Low and spreading, 1° high, soft-hairy ; bracts 

 and stipules persi.stent, large and leaf-like ; racemes reclined, one-sided ; 

 flowers on slender pedicels, cream-colored, large (1' long) ; pods hoary, 

 ovate. Open woods, W and S. 



B. leucdntha, Torr. & Gray." Smooth and glaucous, .stout, 3°— 5° high ; 

 branches spreading ; petioles I'ather short ; lanceolate stipules and bracts 

 deciduous ; racemes erect, lon.g ; flowers large (1' long); pods oval-ohlong, 

 2' long, raised on a stalk fully twice the length of the calyx. Alluvial 

 soil, from Ont. W. and S. 



B. dlba, R. Br. Smooth, 2°-3° high ; branches slender, widely spread- 

 ing ; petioles slender ; stipules and bracts minute, deciduous ; racemes 

 loose, erect, or spreading, long-peduncled ; flowers small {\'-\' long); 

 pods cylindrical. S. Ind. and Mo. to La. and E. 



* * * * Fh)Wers indigo-blue ; leaves of o leaflets, as in the foregoing. 



B. australis. W. Br. Smooth and stout, pale, erect, 2°-5° high ; lance- 

 olate and I'ather persistent stipules as long as the short petiole ; racemes 

 erect ; flowers neai'ly 1' long, on short pedicels ; pods oval-oblong, 2'-3' 

 long, on a stalk as long as the calyx. Pa. to (ia. aud \V. to Mo.; also cult. 



3. THERMOPSIS. (Greek: resembling the Lupine.) 11 



* Stip'i/rs prominenthj sharter than the long petioles ; pod sessile. 

 T. Carolini^na, Curtis. Stem smooth, 3°-6° high, simple ; leaflets 

 obovati-iiblong, silky beneath ; stipules ovate or oblong, clasping ; racemes 

 (i'-12' long, villous, erect, manv-flowered ; pods oblong-linear, erect. 

 Mts. of N. C. ; and cult. 



* * Stipules nearlij equaling or longer than the short petioles ; pod stalked. 



T. mdllis, Curtis. Downy, l°-2° high ; branches spreading ; leaflets 

 3 obovate-oblong ; stipules oblong-ovate, leaflike, some as long as the 

 petioles ; long, narrow-linear, spreading pods ; flowers spring. Open 

 woods from S. \'a . S. 



4. CLADRASTIS, YELLOW W( )()1). (C.ri.^i'k : branches brittle.) 



C. tiuct6ria, Uaf. Wood light yellow ; bark clo.se, like that of Beech ; 

 leaves of 7-11 jmrallel-veined oval or ovate leaflets (3'-4' long and smooth, 



