Oedeb 4G.— LEGUMINOSjE. • 305 



pinnate, with several pairs of leaflets, and a branching tendril. Peduncles 

 axillary. 



• Lottflcte nboat 4 (3 to 7). Annual Nos. 1, 2 



• Leallcts about 10 (8 to 24). — Pedunelo many (5 — 'iU)-fiowered Poix'nnial Nos, &— 5 



— Peduncle fow (1 — 5)-flowerecl Nos. 6, T 



1 V. tetraspSrma Loisel. Ped. 1 to 2-flowered, in fl. thorier (t'n/r, longer) than 

 the Ivs. ; leg. smooth, 4-seoded ; Ifti?. -1 to 6, small, linear, obtuse ; slip, lanceolate, 

 semi-8agittato. — Slender and delicate plants, banks of streams, 4;o., Can. to 

 Penn. Sis. almost filiform, 1 to 2f long. Lfts. 6 to 10" by 1", acute or obtuse. 

 Fls. very small, bluish-white, on filiform peduncles. Leg. 4 to 6" long, 4- some- 

 timos 5-seeded. JI. (V. pusilla iXuhl. Krvum, L.) 



2 v. aoutifolia Ell. Lfls. 3 to G, linear, acute ; stip. lance-linear ; tendrils mostly 

 simple ; roc. 3 to ^-flowered, longer than the leaves. — Ga. and Ha. Very slender, 

 glabrous. St. 3 to Cf long, climbing. Lfts. 6 to 12" long, 1" wide. Fls. small 

 {3" long), bluish white. Caly-t teeth shorter than tube. Pods 1' long, about 

 8-soeded (4 to 10). 



3 V. Americana Muhl. Pcd. 4 to 8-Ilowerod, sliorter than the Ivs. ; stip. semi- 

 sagittate, deeply dentate; lfts. 10 to 14, elliptic-lanceolate, obtuse, mucronate, veined, 

 somewhat alternate ; leg. oblong-linear, compressed, reticulated. — N. Y. W. to the 

 B. Mts. Sta slender, 1 to 3f long. Lfts. 1' by 5", subsessilo. Fls. blue or pur- 

 ple. Lower calyx teeth broad-lancoolato, much longer than the 2 upper. Stylo 

 very hairy at the summit. May. 



4 V. Carolinidna Walt. Ped. 6 to 10 or \2-jlowered, rather shorter than the 

 loaves ; fls. loose ; teeth of the calyx shorter than the tube, the two upper very 

 short; sty. hairy at the summit; stip. lance-linear, entire; lfts. 8 to 12, linear-ob- 

 long or linear, smooihish ; leg. not reticulated, oblong. — Woods and river banks. 

 A slender climber, 4 to 6f long. Lfts. 6 to 12" by 1 to 3", mostly alternate. Fls. 

 3" long, pale blue, the banner tipped with deep purple. May. 



5 V. Crdcca L. Tufted Vetch. Fls. imbricated, 12 to 20 or more in the ra- 

 ceme; lfls. 12 to 24, oblong, ptiberulent ; stip. semi-sagittate, linear-subulaie, entire. — 

 A slender climber, 2 to 3f long, about fences, hedges, thickets, &c., lat. 39° t« 

 Can. St. square, downy. Lvs. of many pairs of downy, mucronate lfts., with a 

 branched tendril at the end of the principal stalk. Lfls. C to 8" by 2 to 3", peti- 

 olulato. Fls. blue and purple, in a long, dense, one-sided raceme. Jl. 



6 V. sativa L. Vetch. Tares. Fls. solitary, or in pairs, subsessile; lfls. 10 

 to 12, oblong-obovate, often linear, retuso, mucronate-; stip. semisagittate, subden- 

 tato, dotted ; leg. erect, roundish, reticulated, smooth.— -Q^'A. slender climbing plant, 

 fjund in cultivated fields, introduced from Europe. St. decumbent or climbing, 

 2 to 3f long. Lfts. 8 to 1 2" by 1 to 4'', lower ones near the base of the petiole. 

 Fls. pale purple, half as long as tho leaves. Leg. 1 to 2' long. Jn. § 



7 V. hirsCita Koch. Lfts. linear, truncate, mucronate; stip. semisagittate, nar- 

 row ; ped. 3 to 6-flowered, shorter than leaves ; leg. hirsute, 2-seeded. — A creeping 

 weed in cultivated fields, N. Y. to S. Car. St very slender, 1 to 3f long. Lit'?. 

 8 to 20, 4 to 8" long, hardly 1" wide, broadest above. Ped. axillary, 3 to G flow- 

 ered. CaL segm., rather shorter than tho bluish white corolla. Leg. short, with 

 roundish, compressed brown seeds. Jn. § f (Ervum, L.) 



V. micrantlia Nutt , with the fls. minute and soUtary on the peduncle, and 

 V. Ludoviciana Nutt. (V. Leavenwortbii T. & G., is the same plant with a 

 more slender liabit) sent from W. La. (Hale) have not yet, to my knowledge, been 

 f Ibund East of the Miss. River. 



i7. ZOR'NIA, Gmel. (For John Zome, M.D., of Bavaria.) Calyx 

 bilabiate, upper lip obtuse, emarginate, lower 3-cIeft ; corolla perig}-- 

 nous, vexillura orbicular, with the sides rcvolute; stamens monadel- 

 phous, the alternate anthers different ; legume compressed, of 2 to 5 

 roundish joints. — Herbs with palmately 2 to 4-foliate lvs. and sagittate 

 stip., which are enlarged above and supply the place of bracts. (Fig. 1 84.) 

 Z. tetraph^lla Mx. Lfts. 4; stip. or bracts oval, acute; leg. aculeate, about 



3-jointed. — A plant of many singular marks, N. Car. to Fla. and Toi. Sla. pro* 



20 



