LEGUMIXOSJE. (PULSE FAMILY.) 105 



racemes long and slender ; flowers distant ; legume erect. Sandhills at Cape 

 Canaveral (Vurtiss). July. Stem l-2 high. 



8. T. angUStissima, Shuttl. Smooth or nearly so throughout ; stems 

 slender, prostrate, diffusely branclied ; leaves short petioled ; leaflets 10-15, 

 linear, acute, mostly opposite; racemes very slender, longer than the leaves, 

 bearing 2 - 4 small scattered flowers ; calyx slightly pubescent, with triangular- 

 ovate acute teeth. South Florida, ( limjc ). Stem 1 long. Leaflets 8" - 12" 

 long, 1" wide, spreading. Corolla about 3" long. 



14. INDIGOFEEA, L. INDIGO. 



Calyx 5-cleft. Vexillum roundish. Keel with a subulate spur on each 

 side, often elastically reflexed. Stamens cliadelphous (9 & 1). Legume 1- 

 many-seeded. Seeds usually truncated at each end, often separated by 

 membranaceous partitions. Herbs with unequally pinnate leaves, and white, 

 brownish, or purplish axillary flowers. Legumes drooping 



* Racemes longer than tin; leares. Indigenous spn-its. 



1. I. Caroliniana, Walt. Smoothish; stem erect, tall, branching; leaf- 

 lets 10- 15, obovate or oblong; racemes many-flowered; calyx teeth short, 

 acute; flowers yellowish brown ; legume oblong, veiny, 2 seeded. Drv pine 

 barrens, Florida to North Carolina. July- - August. ^ Stem 3- 5 high. 

 I- lowers small. Legume 4" - 5" long. 



2. I. leptosepala, Nutt. Rough hairy; stem decumbent; leaflets 7-9, 

 obovate-oblong or cuneate ; racemes 6 - 1 5-flowered ; calyx teeth slender- 

 subulate; flowers pale scarlet; legume linear, even, 6-9-seeded. Georgia, 

 and westward. Stem 2 -3 long. Legume \\' long, straight, 4-angled. 



3. I. subulata, Vahl. Somewhat shrubby, sparsely pubescent with ap- 

 pressed hairs; stem filiform, decumbent; leaves distant; leaflets 5, oblong, 

 mucronate ; racemes loosely many-flowered, in fruit many times longer than 

 the leaves ; calyx teeth subulate ; legume filiform, reflexed, nearly terete, 

 6 -8-seeded. South Florida. Stem 2'- 3' long. Legume 2' -3' long. 



* * Racemes shorter than the leaves. Introduced species. 



4. I. tinctoria, L. Stem erect ; leaflets 9-11, oval, pubescent beneath ; 

 legume terete, torulose, curved. Waste places. August. 



5. I. Anil, L. Stem erect ; leaflets 7-15, oval ; legume compressed, even, 

 thickened at each suture. Waste places. 



These two species were formerly cultivated in some of the States, and em- 

 ployed in the manufacture of Indigo. 



15. SESBANIA, Ters. 



Calyx bibracteolate, campanulate, truncate, 5-toothed. Petals clawed. Vex- 

 illum round or reuiform ; wings straight, as long as the curved obtuse keel. 

 Stamens diadelphous (9 & 1). Style smooth ; stigma truncate. Legume con- 

 tinuous, contracted between the seeds, 2 -many-seeded, the seeds separated by 

 cross partitions. Cotyledons thick ; radicle incumbent. Leaves abruptly 

 pinnate. Flowers in axillarv racemes. 



