7 V. hirsuta Koch. Lfts. linear, truncate, mucronate; stip. semisagittate, narrow; ped. 3 to 6-flowered, shorter than leaves; kg. hirsute, 2-seeded. - A creeping weed in cultivated fields, N. Y. to S. Car. St. very slender, 1 to 3f long. Lfts. 8 to 20, 4 to 8" long, hardly 1" wide, broadest above. Ped. axillary, 3 to 6 flowered. Cal. segm., rather shorter than the bluish white corolla. Leg. short, with roundish, compressed brown seeds. Jn. § † (Ervum, L.)
V. micrantha Nutt, with the fls. minute and solitary on the peduncle, and V. Ludoviciana Nutt. (V. Leavenworthii T. & G., is the same plant with a more slender habit) sent from W. La. (Hale) have not yet, to my knowledge, been found East of the Miss. River.
17. ZOR'NIA, Gmel. (For John Zorne, M.D., of Bavaria.) Calyx bilabiate, upper lip obtuse, emarginate, lower 3-cleft; corolla perigy-nous, vexillum orbicular, with the sides revolute; 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. 184.)
Z. tetraphylla Mx. Lfts. 4; stip. or bracts oval, acute; leg. aculeate, about 3-jointed. - A plant of many singular marks, N. Car. to Fla. and Tex. Sts. pros.
18. AESCHYNOM'ENE, L. (Gr. to be modest; alluding to its sensitive property.) Calyx bilabiate, bibracteolate; upper lip bifid, lower trifid; vexillum roundish; keel petals boat-shaped, distinct at base; stamens diadelphous, 5 in each set; legume exserted, composed of several truncated, separable, 1-seeded joints. - Lvs. odd-pinnate. Stip. semi-sagittate. Rac. axillary.
1 AE. hispida Willd. St. erect, somewhat scabrous, as well as the petioles, peduncles and legumes; lfts. very smooth, 27 to 37 (49, Nutt.), oblong-linear, obtuse; stip. ovate, acuminate; rac. 3 to 5-ftowered; foment compressed, 6 to 9-joint-ed. - Marshes, Penn. to Fla. and La. (Hale). St. 2 to 3f high. Lfts. about 3/4' long. Rac. usually bearing a leaf. Fls. yellow, reddish outside. Leg. 2' long, sinuate on one side, some of them deeply parted. Aug.
2 2E3. viscidula Mx. Slender, procumbent, viscidly pubescent; lfts. 7 to 117 obovate; stip. and bracts veiny; pad, filiform, 1 to 2-flowered; cal. slightly bilabiate, 3 lower teeth nearly equal; pod. 2 or 3-jointed, deeply lobed. - Sandy fields, S. Car. (Ell.) to E. Fla. St. diffuse, 1 to 2f long. Lfts. 6" long. Fls. small, yellow.
19. STYLOSAN'THES, Swartz. (Gr. a style, .) Flowers of two kinds. Calyx* somewhat bilabiate, bibracteolate at base, the tube very long and slender, with the corolla inserted on its throat; vexillum very broad; stamens 10, monadelphous; ovary always sterile, with a very long style. Calyx and corolla 0; ovary between 2 bracteoles; legume 1 to 2-jointcd, uncinate with the short, persistent style. - Lvs. pinnately trifoliate.
S. elatior Swartz. Pencil Flower. St. pubescent on one side; lfts. lanceolate, smooth, acute at each end; bracts lanceolate, ciliate; spikes 3 to 4-flowered; lo-ment 1-seeded (lower joint abortive).- Dry, gravelly woods, Long 1sl. to Fla. and Ark. St. mostly erect, branched, 1f in hight, remarkable for being densely pubescent on that side only which is opposite the insertion of each leaf, while the other side is smooth. Lvs. on short stalks; lfts. 1' or more in length. Bracts fringed with yellow bristles. Fls. yellow. Jl., Aug.
20 AR'ACHIS, Willd. Pea Nut. (Lat. aracos, used by Pliny to designate some subterranean plant.) Calyx bilabiate; corolla resupin-ate, stamens monadelphous, legume gibbous at base, coriaceous, veiny, turgid, and indehiscent, the joints not separating. - A S. American genus with equally pinnate lvs. and yellow fls.
A. hypogaea Willd. Nearly glabrous; lfts. 2 pairs, oval or roundish, cuneate at base; stip. entire, lance-subulate, as long as the lfts; fruit subterranean.-
' Cultivated in N. Car. and S. and W. as easily as the sweet potato, and is very
• prolific. The specific name ( under ground) alludes to the curious habit of forcing its ovaries, after flowering, into the soil and there ripening them.
21. CORONIL'LA, L. (Lat. corona, a crown; from the inflorescence.) Calyx bilabiate, petals unguiculate; loment somewhat terete, jointed; seeds mostly cylindrical. - Mostly shrubs. Lvs. unequally pinnate. Fls. in simple, pedunculate umbels.
1 C. Emeras L. Scorpion Senna. St. woody, angular; ped. about 3-flowered; claws of the petals about thrice longer than the calyx. - A beautiful, free flowering shrub from France. St. about 3f high, square, with opposite branches. Lfts. about 7, broadly obcordate. Fls. rose-colored, collected In little tufts on the ends of the subaxillary peduncles. A pr., Jn. †
2 C. varia L. St. herbaceous, erect, smooth, branching; lvs. sessile, smooth; lfts. 11 to 19, all subsessile, oblong, obtuse; umbels long-pedunculate, 10 to lb-flowered; fls. pale purple. - An elegant European species, 2 to 4f high, crowned with many hemispherical umbels 1' diam. Jl. - Sept. †
22. HEDYS'ARUM, L. (Gr. sweet, smell.) Calyx deft into 5 linear-subulate, subequal segments; keel obliquely truncate, longer than the wings; stamens diadelphous (9 and 1), and with the style abruptly bent near the summit; legume (loment) of several 1-seeded joints connected by their middle.-