2. L. violàcea, Pers. _Stems upright_ or spreading, slender, branched, rather _sparsely leafy_ and sparingly pubescent; _leaflets thin, broadly oval or oblong_, finely appressed-pubescent beneath; _peduncles very slender, loosely few-flowered_, mostly longer than the leaves; flowers 3--4´´ long, the keel often the longest; _pod ovate_, 2--3´´ long, nearly glabrous.--Dry copses, N. Eng. to Minn. and E. Kan., south to Fla. and La. 3. L. reticulàta, Pers. Stouter, _erect, very leafy; leaflets thickish, linear to linear-oblong_, 6--15´´ long, finely appressed-pubescent; _flowers_ (scarcely 3´´ long) _clustered on peduncles much shorter than the leaves_, the keel shorter than the standard; _pods ovate, acute_, 2´´ long, appressed-subpubescent. (L. violacea, var. angustifolia, _Torr. & Gray_.)--Mass. to Minn., and southward. 4. L. Stùvei, Nutt. _Stems_ upright-spreading, _very leafy_, simple or somewhat branched, _downy with spreading pubescence; leaflets oval or roundish_ varying to oblong or rarely linear-oblong, _silky or white-woolly beneath_ and sometimes above; flowers as in the last, often numerous and crowded; _pods ovate, acuminate_, mostly 3´´ long, _downy_.--Mass. to Mich., and south to Va. and Tex. Var. intermèdia, Watson. Pubescence more scanty and usually fine and appressed as in n. 3, but the leaflets oval to oblong; inflorescence often more open; pod of n. 4 or of n. 3. (L. violacea, var. sessiliflora, of _Man._, mainly.)--Mass. to Fla., and west to Mich., Ill., E. Kan., and Ark. [*][*] _Flowers all alike and perfect, in close spikes or heads; corolla whitish or cream-color with a purple spot on the standard, about the length of the downy 5-parted calyx; pod included; stems upright, wand-like (2--4° high)._ 5. L. polystàchya, Michx. Stem with mostly spreading pubescence; _petioles 2--6´´ long; leaflets from orbicular to oblong-ovate_, hairy; _spikes oblong, on elongated peduncles; pod_ (at maturity) oblong-ovate, pubescent, nearly 3´´ long, _hardly shorter than the calyx_. (L. hirta, _Ell._)--Dry hills, common. 6. L. capitàta, Michx. _Stems rigid, woolly; petioles very short; leaflets oblong to narrowly oblong_, thickish, reticulated and mostly smooth above, silky or sometimes downy beneath; _heads of flowers globular, on peduncles shorter than the leaves; pod oblong-ovate, pubescent, much shorter than the calyx_.--Dry and sandy soil, N. Eng. to Fla., west to Minn., Mo., and La. 7. L. angustifòlia, Ell. Like the last, but mostly appressed-silky, the _leaflets linear, the smaller often oblong heads on distinct and sometimes slender peduncles, the pod round-ovate_, acutish, 1½--2´´ long, _hardly shorter than the calyx_. (L. capitata, var. angustifolia, _Pursh._)--N. J. to Fla., west to Mich., Iowa, and La.