LICGUMINOS.E. (pULSE FAMILY.) 99 



cred ; calyx-tooth sliortcr than the tube ; flowers nearly white, the keel tipped 

 with blue ; lei;uinc ohlonp;, several-seeded. — Dry open woods, ehiefly in the 

 iil)per distriets. Ajuil and jMay. I]. — Stems 3° - 4° lonj^^ brauehing. Tlowers 

 4" - 6" long. 



19. LATHYRUS, L. 



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

 Vicia 



1. L. pusillus, r.ll. Annual; Icailets 2, lincar-lanocolatc, acute ; stipuhs 

 sagittate ; jjedunclcs elongated, 1 - 2-flowered ; teeth of the calyx subulatc-seta- 

 <eous, nearly etjual ; legume long, 10-15-sccdcd. — Xcar Charleston, South 

 Carolina, and westward. May. — A small and slender vine. Flowers purple. 



2. L. venoSUS, Muhl. Perennial; stem stout; leaflets 10-14, ol)long- 

 ovate, obtuse; stipules lanceolate; peduncles 10-20-flowercd ; flowers large, 

 purple; calyx-teeth very unequal. — Shady banks, Georgia to Mississijjpi, and 

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

 Flowers 5' long. 



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

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

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

 and northward. July and August. — Stem 2° - 4° long, of^eu wing-angled. 

 Leaflets H' long. 



20. ^SCHYNOMENE, L. 



Calyx 2-lippcd, 5-cleft or 5-tootlied. Petals equal • vexillum roundish. Sta- 

 mens diadelphous (5 & 5). Legume compressed, stipitatc, separating trans- 

 versely into 3 or more 1-seeded indehiscent joints. — Herbs or shrubs, with pin- 

 nate leaves, and axillary yellow flowers. 



1. ^. hispida, AVilld. Annual; stem erect, muricate-hispid ; leaflets nu- 

 merous, obloiig-linear ; peduncles 3 - 5-flowered ; legume straight, linear, even 

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

 s(|uare, hispid. — Swamps, Florida to Mississippi, and northward. August. — 

 Stem 2°- 4° higli. 



2. JR. 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 l°-2° long. Leaves 1' loag. 

 Flowers small. 



21. ZORNIA, Grael. 



Calyx 2-lippcd, the upper lip emarginate, 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 palm ately 2 - 4-foliolate. Stipules sagittate. Flowers 

 yellow, in axillary large-bracted racemes. 



