VOL. II.] 



PEA FAMILY. 



i. Bradburya Virginiana (I,. ) 

 Kuntze. Spurred Butterfly- 

 Pea. (Fig. 2223.) 



Clitoria Virginiana L. Sp. PI. 753. 1753. 

 Centrosema Virginianum Benth. Ann. Mus 



Wien, 2: 120. 1838. 

 Bradburya Virginiana Kuntze, Rev. Gen. PI. 



164. 1891. 



Perennial, climbing or trailing, somewhat 

 branched, finely rough-pubescent, 2-4 long. 

 Stipules linear, acute, about 2" long; petioles 

 usually shorter than the leaves; leaflets 3, 

 ovate, or oblong-lanceolate, stipellate, acute 

 and mucronulate or blunt, rounded at the 

 base, reticulate-veined, i / -2 / long, 4 // -i2 // 

 wide; peduncles about equalling the petioles, 

 1-4- flowered; bracts ovate, acute, finely 

 striate; flowers short-pedicelled, I'-i^'long; 

 corolla violet; calyx-lobes linear; pod linear, 

 4 / -5 / long, about 2" wide, long-acuminate, 

 its margins much thickened. 



Dry sandy soil, New Jersey to Florida, west 

 to Arkansas and Texas. Extends throughout 

 tropical America to Bolivia. July-Aug. 



39. CLITORIA L. Sp. PI. 753. 1753. 



Woody vines, or erect or climbing herbs, with pinnately 3-foliolate (sometimes 5-9- 

 foliolate) leaves, persistent stipules, and large showy axillary solitary or racemose flowers. 

 Calyx tubular, 5-toothed, the 2 upper teeth more or less united. Standard large, erect, retuse, 

 narrowed at the base, not spurred; wings oblong, curved; keel acute, shorter than the wings. 

 Stamens more or less monadelphous ; anthers all alike. Ovary stipitate; style elongated, in- 

 curved, hairy along the inner side. Pod stalked in the calyx, linear, or linear-oblong, flat- 

 tened, 2-valved, partly septate between the seeds. 



About 30 species, natives of warm and temper- 

 ate regions. The following is the only one known 

 to inhabit North America. 



i. Clitoria Mariana L,. Butterfly- 

 Pea. (Fig. 2224.) 



Clitoria Mariana L. Sp. PI. 753. 1753. 



Erect or ascending, sometimes twining, 

 glabrous or nearly so, i-3 high. Stipules 

 ovate-lanceolate, acute, i // -2 // long; petioles 

 usually shorter than the leaves; leaflets stipel- 

 late, ovate-lanceolate or oblong-lanceolate, 

 obtuse, mucronate, i / -2 / long, 4"-! 2" wide; 

 peduncles short, i-3-flowered; bracts lanceo- 

 late, striate, deciduous; flowers about 2' long, 

 very showy; calyx tubular, 6 // -8 // long, its 

 teeth ovate, acute; corolla pale blue; pods lin- 

 ear-oblong, acute, about iMong and3 // wide. 



Dry soil, Snake Hill, N. J., south to Florida, 

 west to Missouri and Texas. Formerly at Brook- 

 lyn, N. Y. June-July. 



40. 



1796. 



FALCATA Gmel. in L. Syst. Nat. Ed. 13, 2: 1131. 



[AMPHICARPA Ell. Journ. Acad. Phil, i: 372. 1817.] 



Twining perennial vines, with pinnately 3-foliolate leaves, small white or violet flowers 

 in axillary racemes, and also solitary apetalous fertile flowers in the lower axils or on the 

 slender creeping branches from the base. Calyx of the petaliferous flowers tubular, 4-5- 

 toothed. Standard obovate, erect, folded around the other petals; wings oblong, curved, 

 adherent to the incurved obtuse keel. Stamens diadelphous (9 and i); anthers all alike. 



