302 Ordee 46.— LEGUMINOSjE. 



sistcnt ; petals of about equal length, those of the keel nearly distinct 

 and straight ; voxillura orbicular, emarginatc ; stamens 10, distinct, 

 deciduous ; legume inflated, stipitate, many (or by abortion fcw)- 

 sceded. — if Lvs. palmately 3-foliate, or simple. 



6 Leaves simple. Flowei's yellow v Nos. 1 — S 



§ Leaves 3-foUiite. — Fls. blue, in few elongated racemes No. 4. 



— Fls. white in few clongiited racemes, (a) 

 — Fls. yellow, solitary or in sbort racemes, (b) 



a Stipules ioaf-iilce, longer tlian tlie petioles Nos. C, 6 



a Stipules much shorter, or not longer than the petioles. Nos. 7, S 



b Pefiiccls not longer than the caly.v. Drying dark Nos. 0, 10 



b Pedicels much longer than the calyx. Dryingbright.Xos.il — l;^ 



1 B. perfoliata E. Br. Glabrotis and glaucous, lvs. oval, orbicular, jierfoliatc; 

 ,fls. solitary, axillary. — S. Car. and Ga. (Savannah, Feay) in the pine woods. St 

 branching, 1 to 2f high. Lts. largo (2J by 2'), all turned one way, and com- 

 pletely closed at base arouad the atom or branch. Corolla 6" long, on a pedicc-l 

 half as long. Pod largo, inflated. A remarkable species. May — Jl. 



2 B. mioroph^lla Ivutt. "Lvs. simple, sessile, roundish, cuneiform; the upper 

 somewhat clasping, s(ipMfe,s ro!ind&7t ; fls. axillary; legumes short, subglobose."^ 

 W. Fla. to Ala. St. much branched. Lvs. small (7 to 10" in length), the upper 

 partially coalescing with the stipules. Described by Mr. Nuttall from late fruit- 

 ing specimens. Not since found ? 



3 B. fiimplicifolia Croom. Glabrous ; lvs. broadly ovate, obtuse, sessile ; slip, 

 none; racemes terminal, elongated, many -flowered; bracts ovate, as long as the 

 pedicels.- — ^Quincy. Fla. St. furrowed, branching, 2 to 3f high. Lvs. large (2 to 

 4' by IJ to 3'), rather firm, shining above. Pis. 8" long, the pedicels shorter. 

 Leg. ovate, about 6'' long. Jn. — Sept. 



4 B. australis E. Br. Glabrous ; petioles short ; Ifts. obovato or somewhat ob- 

 long, obtuse ; stip. lanceolate, rather longer than the petioles, distinct at base ; 

 rac. long, erect ; leg. oblong-oval, stipe long as the calyx. — Alluvial soils, Ohio 

 River to Ga. and La. St. 2 to 3f high, branched. Petioles 1 to 6" long. Lfts. 

 1|- to 3' by f to 1', sometimes acute. Stip. ^ to 1' long. Fls. indigo blue, large, 

 very showy. Pod about 2' long. Ju. — Aug. 



5 B. leucopliEEa Nutt. Villous : petioles almost ; lfts. oblanceolate, v.arying 

 to ®bovate ; stip. and bracts large, triangular-ovate, persistent ; rac. nodding, the 

 many flowers turned to the upper side on their long pedicels ; leg. ovoid or roundish, 

 inflated. — Common in wild prairies, "W. States and southward. St. 2 to 3f high, 

 smoothish when old. Lfts. 2 to 3' by J to 1', stipules more than half as largc- 

 Rac. 20 to GO-flowered, inclined horizontally. Pedicels 1 to 2' long. Corollas 

 very large, ochroloucous. Apr. 



6 B. villosa KU. Tillous-pubesccnt ; petioles almost 0; lfts. lance-oblong, or 

 oblanceolate; stip. lan^e-linear, persistent; rac. long (erect?); bracts minute, de- 

 ciduous; ped. notsecund; leg. oblong. — N. Car. to Ga., rare. Plant of coarse as- 

 pect, as well as No. 5, 2 to 3f high. Lfts. 2 to 3' long, obtuse, tapering at base, 

 becoming smoothish when old. Pis. dirty white, nearly 1' long. Ju., Jl. 



7 B. leucantha Torr & Gr. Glabrous and glaucous; lvs. petiolate; lfts. cunei- 

 form-obovate, obtuse ; stip. lance-linear about as long as petioles, often caducous ; 

 I'ac. elongated, erect; bracts caducous; leg. inflated, stipitate. — Conspicuous in 

 rich soils, prairies, etc., W. States to Ga. and Fla. St. thick, 2 to 4f high., 

 branched above, llac. C to 24' long, with large white fls. Lfts. 1 to 2' long. 

 The whole plant turns bluish-black in drying. May— Jl. 



8 B. alba B. Br. Glabrous, fastigiate-branohed above; petioles slender; 1ft,". 

 cUiptic-oblanoeolate, acute at base; stip. and brads minute, caducous ; rac. erect 

 or nodding, on a long peduncle; pedicels rather longer than calyx. In rich sons. 

 Va. to Fla. Plant 2 to 3f high. Lfts. about 1' long, a third as wide, the petiolO 

 about half as long. Fls. pure white. Plant does not blacken in drying. Mar. Ap;. 



9 B. lanceolata Ell. Much branched, bushy; Iv.^. .subjessile; lfts. narrowly 

 elliptic, varying to oblanceolate, tapering to a petiolule, obtuse; stip. almost 

 none ; fls. axillary, subsoliiary, short-pedioelled ; leg. ovate-globous. Pine wooJs^ 

 S. Car, to Pla. and La. About 2f high. Foliage yellowish-gre«n ; IvR. 2 to 3 



