LEGUMINOS&. (PULSE FAMILY.) 99 
ered ; calyx-teeth shorter than the tube; flowers nearly white, the keel tipped 
with blue; legume oblong, several-seeded. — Dry open woods, chiefly in the 
upper districts. Apriland May. )| — Stems 3? - 49 long, branching. Flowers 
4" — 6" long. y 
19. LATHYRUS, L. 
Style flattened, bearded on the side facing the vexillum. Otherwise as in 
Vicia. 
1. L. pusillus, Ell. Annual; leaficts 2, linear-lanceolate, acute; stipules 
sagittate; peduncles elongated, 1 — 2-flowered ; teeth of the calyx subulate-seta- 
ceous, nearly equal; legume long, 10 —15-seeded. — Near Charleston, South 
Carolina, and westward. May.— A small and slender vine. Flowers purple. 
' 2. L. venosus, Muhl. Perennial; stem stout; leaflets 10-14, oblong- 
ovate, obtuse; stipules lanceolate ; peduncles 10-20-flowered ; flowers large, 
purple; calyx-teeth very unequal. — Shady banks, Georgia to Mississippi, and 
northward. June and July.— Stem angled, 2°-3° long. Leaflets 2! — 3' long. 
Flowers 3' long. 
3. L. myrtifolius, Muhl. Perennial; stem slender, 4-angled ; leaflets 
4-6, oblong, obtuse; stipules large, ovate, entire; peduncles 3 —6-flowered ; 
flowers pale purple; calyx-teeth unequal.— Banks of rivers, North Carolina, 
and northward. July and August. — Stem 2°-4° long, often wing-angled. 
Leaflets 14! long. : 
20. ZSSCHYNOMENE, L. 
Calyx 2-lipped, 5-cleft or 5-toothed. Petals equal: vexillum roundish. Sta- 
mens diadelphous (5 & 5). Legume compressed, stipitate, separating trans- 
versely into 3 or more 1-seeded indehiscent joints. — Herbs or shrubs, with pin- 
nate leaves, and axillary yellow flowers. 
l. Æ. hispida, Willd. Annual; stem erect, muricate-hispid ; leaflets nu- 
merous, oblong-linear; peduncles 3 - 5-flowered ; legume straight, linear, even 
along the upper suture, wavy on the lower, 6-10-jointed, the joints nearly 
Square, hispid. — Swamps, Florida to Mississippi, and northward. August.— 
Stem 2°- 4° high. , : 
2. Æ. viscidula, Michx. Annual; stem slender, prostrate, viscid-pubes- 
cent; leaves small; leaflets 7-9, obovate, reticulate-veined ; peduncles 3-4- 
flowered, the pedicels long and spreading; stipules and bracts ovate ; legume 
2-3 jointed, the joints half-orbicular, hispid. — Sandy places along the coast, 
Florida and Georgia. August and Sept. — Stem 1°-2° long. Leaves 1! long. 
Flowers small, 
.21. ZORNIA, Gma. — 
Calyx 2-lipped, the upper lip meinst di owiehe Corolla inserted E 
into the base of the calyx. Stamens monadelphous, alternately shorter : anthe 
mie fosa meee aa ! 
