108 HSGUMINOSiE. (pulse FAMILY.) 



calvx liuiry; leguinc liruadly sabrcsliaped, 5 - C-seo(le<l. —Now Orleans. — 

 Stfiu stout, 2°-;j' Iniii;. Lealkts G"-B"loi)g. rc-.luuilcs in fruit longer 

 than tlie leavi-s. 



"• V. Floridana, Watson. Lt-atlcts ol)Ionf^ or oliovate, nincroiiatc, tliin 

 (i' lon<i) ; flowers snialit-r ; legume siiort (V long), nearly oval, j»ninteil, 

 2-4-seeded; otherwise like No. 4. — Low hummocks, East Florida. 



18. LATHYRUS, L. 



Style flattened, hearded on the side faiing tlie vexillum. Otherwi.se as in 

 ^'icia. 



1. L. pusillus, Mil. Annual; loatiets 2, linear-lamcolate, acute; stipules 

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

 setaceous, nearly equal; legume long, 10-15-secded. — Near Charleston, 

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

 purj)le. 



2. L. venosUS, Muhl. rcronnial; stem stout ; leaflets 10- 14, ohlong- 

 ovate, obtuse ; stipules lanceolate ; peduncles 10- 20-flt)wered ; flowers large, 

 purple ; calyx teeth very une<iual. — Siiady banks in the upper districts. 

 June -July. — Stem angled, 2° -3'^ long. Leaflets 2' -3' long. Flowers 

 f long. 



3. L. myrtifolius, INIuhl. Perennial ; stem slender, 4augled ; leaflets 

 4-6, oblong, olituse ; stijniles large, ovate, entire ; peduncles 3-6-flowered; 

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

 lina, and northward. July - Augu.st. — Stem 2° -4° long, often wing-angled. 

 Leaflets ly long. 



19. JESCHYNOMENE, L. 



Calyx 2-lipped, 5-cleft or 5-toothed. Petals erjual : vexillum roundish. Sta- 

 mens diadelphous (5 & 5). Legume com])re.ssed, stipitate, separating trans- 

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

 pinnate leaves, and axillary yellow flowers. 



1. ^. hispida, Willd. Annual; stem erect, muricate-liisjiid ; leaflets 

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

 even along the ui)per suture, wavy on the lower, 6- 10-jointed, the joints 

 nearly square, hispid. — Swamps and ditches. August. — Stem 2° -4° high. 



2. .ffi. viscidula, Michx. Perennial; stem slender, prostrate, viscid- 

 pube.scent ; leaves small; leaflets 7 -9, obovate, reticulate-veined; peduncles 

 3-4-flowered, the ])edicels long and sj)rca(ling; stijjules 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, Gmcl. 



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

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



