5. B. álba, 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_ (1--1½´ long), _short-stalked_.--Dry soil, S. Ind. and Mo., to La., N. C., and Fla. July. [+][+][+] _Flowers indigo-blue._ 6. B. austràlis, R. Br. (BLUE FALSE-INDIGO.) Smooth, tall and stout (4--5°); leaflets 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. THERMÓPSIS, 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 blackening in drying, and yellow flowers in terminal racemes. (Name from θέρμος, _the lupine_, and ὄψις _resemblance_.) 1. T. móllis, 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. rhombifòlia, Nutt. Low, with smaller leaves and broad conspicuous 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. CLADRÁSTIS, 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 panicled racemes (10--20´ long) of showy white flowers drooping from the ends of the branches. Stipules obsolete. Base of the petioles hollow, enclosing the leaf buds of the next year. Bracts minute and fugacious. (Name from κλάδος, _a branch_, and θραυστός, _brittle_.) 1. C. tinctòria, Raf. Sometimes 50° high; pods 3--4´ long.--Rich hillsides, central Ky. and Tenn. to N. C. Also in cultivation. The wood yields a yellow dye. 4. SOPHÒRA, L. Calyx bell-shaped, shortly 5-toothed. Standard rounded; keel nearly straight. Stamens distinct or nearly so. Pod coriaceous, stipitate, terete, more or less constricted between the seeds, indehiscent. Seeds subglobose.--Shrubby or ours an herbaceous perennial, the leaves pinnate with numerous leaflets, and flowers white or yellow in terminal racemes. (Said by Linnæus to be the ancient name of an allied plant.)