LKGUMINOS^E. (I'ULSE FAMILY.) 09 



eroil ; 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. April and May. ty Stems 3 - 4 long, 1 branching. Flowers 

 4" - 6" long. 



19. LATHYRUS, L. 



Style flattened, bearded on the side facing the vcxillum. 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-sceded. Near Charleston, Soutli 

 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-flowercd ; 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 $' 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 1^'long. 



20. JESCHYNOMENE, L. 



Calyx 2-lipped, 5-cleft or 5-toothed. Petals equal : vcxillum 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. .33. 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 and Sept. Stem l-2 long. 

 Leaves 1' long. Flowers small. 



21. ZORNIA, Gmel. 



Calyx 2-lipped, the upper lip emarginate, the lower 3-cleft. Coi-olla 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-bractcd racemes. 



