108 LEGUMINOS.E. (PULSE FAMILY.) 



calyx hairy; legume broadly sabre-shaped, 5 - 6-seeded. New Orleans. 

 Stem stout, 2 -3 long. Leaflets 6" -8" long. Peduncles in fruit longer 

 than the leaves. 



" V. Floridana, Watson. Leaflets oblong or obovate, mucronate, thin 

 (I' long) ; flowers smaller; legume short (i' long), nearly oval, pointed, 

 2 -4-seeded ; otherwise like Xo. 4. Low hummocks, East Florida. 



18. LATHYRUS, L. 



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

 Yicia. 



1. L. pusillus, Kll. Annual; leaflets 2, linear-lanceolate, acute; stipules 

 sagittate; peduncles elongated, 1 - 2-flowered ; teeth of the calyx subulate- 

 setaceous, 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 in the upper districts. 

 June - July. Stem angled. 2-3long. Leaflets 2'-3' long. Flowers 

 f long. 



3. L. myrtifolillS, Muhl. Perennial ; stem slender, 4-angled ; leaflets 

 4-6, oblong, obtuse ; stipules large, ovate, entire ; peduncles 3 - G-flowered ; 

 flowers pale purple; calyx teeth unequal. Banks of rivers, North Caro- 

 lina, and northward. Julv - August. - Stem 2- 4 long, often wing-angled. 

 Leaflets \Y long. 



19. .ffiSCHYNOMENE, 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 indehisceut joints Herbs or shrubs, with 

 pinnate leaves, and axillary yellow flowers. 



1. .33. hispida, Willd. Annual; stem erect, muricate-hispid ; leaflets 

 numerous, oblong-linear; peduncles 3-5-flowered; legume straight, linear, 

 even along the upper suture, wavy on the lower, 6- 10-jointed, the joints 

 vvirly square, hispid. Swamps and ditches. 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-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 -Sept. Stem l-2 long. Leaves 

 1' long Flowers small. 



20. ZORNIA, Gmel. 



Cal vx 2-lipped, the upper lip emarginate, the lower 3-cleft. Corolla inserted 

 on the base of the calyx. Stamens monadelphous, alternately shorter; an- 



