LKGLMINOS.E. (PULSB FAMILY.) 99 



ercd ; calyx-teeth shorter tlian the tube ; flowers nearly white, the keel tipped 

 with blue; legume oblong, seventtaeeded. — Dry open woods, chiefly in the 

 upper districts. April and May. 1J. — Stems 3° - 4° long, branching. Flowers 

 4" -6" long. 



19. LATHYKUS, L. 



Stylo flattened, bearded on the side facing the vexillum. Otherwise as in 

 Vicia, 



1. L. pusillus, Ell. Annual; leaflets 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 hanks, Georgia to Mississippi, and 

 northward. June and July. — Stem angled, 2° - 3° long. Leaflets 2' - 3' long. 

 Flowers §' long. 



3. L. myrtifolius, Muhl. rerennial ; 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 1^' long. 



20. J13CHYNOMENE, 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. 



1. -33. 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. JE. viscidula, Michx. Perennial; stem slender, prostrate, viscid- 

 pubescent; leaves small; leaflets 7-9, obovate, reticulate- veined; peduncles 

 3-4-liowered, the pedicels long and spreading; stipules and bracts ovate; 

 legume 2- 3-jointed, the joints hall-orbicular, hispid. — Sandy places along 

 the coast, Florida and Georgia. August and Sept. — Stem l°-2° long. 

 Leaves 1' long. Flowers small. 



21. ZORNIA, Gmel. 



Calyx 2-lipped, the upper lip cmarginate, the lower 3-cleft. Corolla inserted 

 into the base of the calyx. Stamens monadelphous, alternately shorter : anthers 

 alternately oblong and globose. Legume compressed, with 2-5 roundish hispid 

 joints. — Herbs. Leaves palmately 2 - 4-foliolate. Stipules sagittate. Flowers 

 yellow, in axillary large-bracted racemes. 



