322 Ordkb 46.— LEGUMINOS^E. 



3 P. h^lvolus L. St. slender, twining; Ifts. between oblong-ovate and lanc&evate, 

 not lobed; ped. slender, several times longer than the lvs., few-flowered; leg. 

 straight, cylindric, 8 to 10-seeded. — 21. Sandy fields, N. Y. to Fla. and La. St 

 3 to 5f long. Lfts. 1 to 2' by \ to 1'. Ped. 4 to 8' long, 4 to 7 -flowered. CaL 

 with 2 bracts at base. Cor. purplish, vexillum large, roundish. Leg. 2 to 3' 

 long, very narrow, subfalcate. Aug., Sept. (Strophostylis peduncularis Ell.) 



4 P. pauciflorus Benth. St. slender, retrorsely hirsute ; lfts. linear-oblong, not 

 lobed, as long as the petiole, hirsute and reticulated on both surfaces; stip. 

 subulate; ped. much longer than the lvs. ; hds. few-flowered; leg. hirsute, 5 to 

 8-seeded. — Prairies, 111. (Mead). Also Ark. and La. St. 2 to 4f long, prostrate. 

 Lfts. 1 to 2' by 3 to 5". Pods 1 to 1-J-' long, straight and slender. Jl., Aug. 

 (P. leiospcrmus T. & G.) 



5 P. vulgaris L. St. twining ; lfts. ovate-acuminate ; rac. solitary, shorter 

 than the lvs. ; pedicels in pairs ; cal. as short as its two bracts at base ; leg. pen- 

 dulous, long-mucronate ; seed reniform, variously, often brightly colored. — Q) 

 Native of E. Indies. Universally cultivated in gardens, not only for the mature 

 fruit but for the young pods which constitute that favorite dish, siring beans. 

 St 3 to 8f long, twining against the sun. Els. mostly white. Jl. 



6 P. multiflorus L. Scarlet Pole Bean. St. twining; lfts. ovate-acute; 

 rac. solitary, as long as the lvs. ; pedicels opposite ; cal. longer than the 2 ap- 

 pressed bracts at base; leg. pendulous; seeds reniform. — (T) Native of S. America. 

 St. G to 1 Of long, twining against the sun. Fls. scarlet, numerous, and very bril- 

 liant. Fr. not so generally admired as the last. Jl. 



7 P. lunatus L. Lima Bean. St. twining; lfts. ovale, deltoid, acute; rac 

 shorter than the lvs. ; ped. in pairs ; cal. longer than its 2 bracts at base ; leg. 

 scimetar-shaped, or somewhat lunate ; sds. large, much compressed, purplish- 

 white. — Native of E. Indies. St. 6 to 8f long. Els. small, whitish. Much 

 valued and cultivated. Jl. 



8 P. nanus L. Bush Bean. St. smooth, very branching, erect ; lfts. broad- 

 ovate, acute ; cal. shorter than its 2 bracts at base ; leg. pendulous, compressed, 

 rugous. — (D Native of India. St. If high. Els. 1511116. Seeds white, small, but 

 there are many varieties. Much cultivated. Jn. 



49. ERYTHRINA, L. (Gr. epvdpbc, red ; from the color of the 

 flower.) Calyx campanulate, tubular, truncate or lobed ; vexillum 

 long, lanceolate, with no callosities ; wings and keel much smaller ; 

 stamens straight, nearly as long as the vexillum ; style glabrous ; le- 

 gume torulous. — Trees, shrubs, or herbs, often prickly. Lvs. pinnately 

 trifoliate. Fls. racemed. 



1 E. herbacea L. Glabrous; lfts. rhombic-hastate, with 3 rounded, shallow 

 lobes, petioles, with here and there a small hooked prickle ; rac. terminal ; caL 

 truncate ; leg. dehiscent. — In rich soils, S. Car. to Fla. and La. A plant of splen- 

 did hues, arising from a thick subterranean rhizome, 3 to 4f high. Sts. simple, 

 purple. Lfts. 2 to 3' long, § as wide, the petiole twice as long. Fls. numerous, 

 slender, the banner 2' long, deep scarlet, the keel and wings very smolL Sds. 

 scarlet, the size of a small bean. Apr., Jn. 



2 E. Crista-galli L. Cocks-comb. St. arboreous, unarmed; lfts. ovate or 

 elliptical, coriaceous, the petiole and midvein armed with strong, hooked prickles; 

 cal. short, campanulate, vex. strongly curved. — A handsome flowering shrub or 

 tree, planted at the South. Rac. of many largo scarlet flowers, terminal on the 

 branches. Apr., Jn. From Brazil. 



) 



50. AMPHICARPvTA, Ell. Pea Vine. (Gr. d^cpi, Lat. ambo, 

 both, tcapiraf;, fruit ; i. e., two kinds of fructification.) Calyx tubular, 

 campanulate, with 4 or 5 nearly equal segments; petals oblong; vex- 

 illum with the sides appressed ; stigma capitate ; ovary on a sheathed 

 •tipe ; legume flat, 2 to 4-seeded. — Qp Slender, twining. Lvs. pinnately 



