126 LEGUMINOS-iE. (PULSE FAMILY.) 



sile ; leaflets wedge-lanceolate or obovate ; lower stipules lanceolate and per- 

 sistent, on the branchlets often small and subulate ; racemes many-flowered ; 

 pedicels short; bracts subulate, mostly deciduous; p<>ds ovoid-oblong and 

 taper-pointed, minutely pubescent. Va. to N. C. and Ark. 

 *- -i- Flowers white or rream-color. 



3. B. leucophaea, Xutt. Hairy, tow (1 high), with divergent branches; 



A ni-i's almost sessile , leaflets narrowly oblong-oho\ ate <>r spatulate ; stipules and 

 bracts large and leaf;/, persistent; racemes Ion;/ (often 1), reclined ; flowers 

 on elongated pedicels, cream-color ; pods pointed at both ends, hoary. Mich, 

 to Minn., south to Tex. April, May 



4. B. leucantha, Torr. Gray. Smooth ; stems, leaves, and racemes as 

 in n. 6 ; stipules early deciduous ; /lowers white ; pods oval-oblong, raised on a 

 stalk fully twice the length of the calyx. Alluvial soil, Ont. and Ohio to Minn., 

 south to Fla. and La. 



5. B. alba, R. Br. Smooth (1 -3 high), the branches slender and widely 

 spreading; petioles slender ; stipules and bracts minute and deciduous ; leaflets 

 oblong or oblanceolate ; racemes slender on a long naked peduncle; pods 

 linear-oblong (!-!' long), short-stalked. Dry soil, S. Ind. and Mo., to La., 

 N. C., and Fla. July. 



+- H- Flowers indigo-bine. 



6. B. australis, R. Br. (BLUE FALSE-INDIGO.) Smooth, tall and stout 

 (4 - 5 C ) ; lent lets oblong wedge-form, obtuse ; stipules lanceolate, as long as the 

 petioles, rather persistent ; raceme elongated (1 - 2) and many-flowered, erect; 

 bracts deciduous; stalk of the oval oblong pods about the length of the calyx. 

 Alluvial soil, Penn. to Ga., west to S. Ind., Mo., and Ark. 



2. THERMOPSIS, K. Br. 



Pod sessile or shortly stipitatc in the calyx, flat, linear, straight or curved. 

 Otherwise nearly as Baptism. Perennial herbs, with palmately 3-foliolate 

 leaves and foliaceous stipules, not blackening in drying, and yellow flowers in 

 terminal racemes. (Name from Oep/j.os, the lupine, and fyu, resemblance.) 



1 T. molllS, M. A. Curtis. Finely appressed-pubescent, 2-3 high; 

 leaflets rhombic-lanceolate, 1-.'}' long; stipules narrow, mostly shorter than 

 the petiole . raceme elongated ; pods narrow, short stipitate, somewhat curved, 

 2-4 long. Mountains of S. Va. and X. C. 



2 T. rhomblfolia, Ntitt. Low, with smaller leaves and broad conspic- 

 uous stipules; racemes short, few-flowered; pods broadly linear, spreading, 

 usually strongly curved. Sask. to E. Col., near or in the mountains , reported 

 from central Kan. 



3. CLADRASTIS, Raf. YELLOW-WOOD. 



Calyx 5-toothed. Standard large, roundish, reflexed ; the distinct keel-petals 

 and wings straight, oblong. Stamens 10, distinct; filaments slender, incurved 

 above. Pod short-stalked above the calyx, linear, flat, thin, marginless, 4-6- 

 seeded. at length 2-valved. A handsome tree, with yellow wood, smooth bark, 

 nearly smooth pinnate leaves of 7-11 oval or ovate leaflets, and ample pani- 

 cled racemes (10-20' long) of showy white flowers drooping from the ends of 



