322 Ordee 4'6.— LBGUMINOS^. 



3 P. h^lvolus L. St. slender, twining ; Ifts. hetvfeen oblong-ovate and Icmce-ovale, 

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

 straight, cylindrio, 8 to 10-aeeded.— If Sandy fields, N. T. to Fla. and La. St. 

 3 to 5f long. Lfts. 1 to2'by ^to ]'. Ped. 4 to 8' long, 4 to 7-flowered. Cal. 

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

 long, very narrow, subfaloate. Aug., Sept. (Strophostylis pedunoularia Ell.) 



4 P. pauoiflorus Benth. St. slender, retrorsely hirsute ; Ifts. Unear-oblong,-not 

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

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

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

 Lfts. 1 to 2' by 3 to 5". Pods 1 to IJ' long, straight and slender. JL, A«g: 

 (P. leiospermus T. & Gr.) 



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

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

 dulous, long-mucronate ; seed reniform, variously, often brightly colored. — (D 

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

 fruit but for the young pods which constitute that fiivorite dish, string beam. 



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



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

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

 pressed bracts at base ; leg. pendulous ; seeds reniform. — (1) Native of S. America. 

 St. 6 to 1 Of long, twining against the sun. Pis. scarlet, numerous, and very bril- 

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



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

 shorter than the Ivs. ; 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. G to 8f long. FIs. 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. — ® Native of India. St. If high. Fls. ■white. Seeds white, .small, but 

 there are many varieties. Much cultivated. Jn. 



49. ERYTHRrNA, L. (Gr. Epv0pfif, 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. herbicea 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, f as wide, the petiole twice as long. Fls. numerous, 

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

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



2 E. Crista-g^lli L, Cooks-oomb. St. arboreous, unarmed ; lfts. ovate or 

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

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

 tree, planted at the South. Eae. of many large scarlet flowers, terminal on the 

 branches. Apr., Jn. From Brazil. 



50. AMPHICARPAl'A, Ell. Pea Vine. (Gr. (J/x0f, Lat. ambo, 

 both, icapTThg, fruit ; i. «., 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 

 stipe ; legume flat, 2 to 4-8eedcd. — ® Slender, twining. Lvs. pinnately 



