126 LEGUMINOS^. (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 sliort ; bracts subulate, mostly deciduous ; pods ovoid-oblong and 

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

 -I- -1- Floicers ichiie or cream-color. 



3. B. leucophaea, Nutt. Hairy Jow (1° high), with divergent branches; 

 leaves almost sessile , leaflets narrowly obloug-obovate or spatulate ; stipules and 

 bracts large and leafg, persistent; racemes long (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 u. 6 ; stipules earlij deciduous ; flowers ivhite ; pods oval-oblong, raised on a 

 stalk full// 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 

 hnear-oblong (1 - 1^ long), short-stalked. — Dry soil, S. lud. and Mo., to La., 

 N. C, and Fla. July. 



-H- ^- +- Floicers indigo-blue. 



6. B. austr&lis, R. Br. (Blue False-Indigo.) Smooth, tall and stout 

 (4 - 5°) ; leaflets oldong-wedge-form, obtuse ; stipules lanceolate, as long as the 

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

 bracts deciiluous -, stalk of the oval-ol)long pods about the length of the calyx. 

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



2. THERMOPSIS, R. Br. 



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

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

 leaves and foliaceous stipules, not ])lackening in drying, and yellow flowers in 

 terminal racemes. (Name from Q4pixos, the lupine, and o^is, resemblance.) 



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

 leaflets rhombic-lanceolate, 1-3' long; stipules narrow, mostly shorter than 

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

 2-4 long. — Mountains of S. Va. and N. C. 



2 T. rliomblfdlia, Nutt. 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, Baf. Yello^v-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 tlie 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 floAvers drooping from the ends of 



