GENUS 42. 



PEA FAMILY. 



417 



i. Clitoria mariana L. Butterfly-Pea. 

 Fig. 2634. 



Clitoria mariana L. Sp. PL 753- J753- 



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, ob- 

 tuse, mucronate, 1-2' long, 4"-i2" wide; pe- 

 duncles short, i-3-flowered; bracts lanceolate, 

 striate, deciduous ; flowers about 2' long, very 

 showy; calyx tubular, 6"-8" long, its teeth 

 ovate, acute ; corolla pale blue ; pods linear- 

 oblong, acute, about i' long and 3" wide. 



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

 west to Missouri and Texas. Formerly at Brook- 

 lyn, N. Y. Clabber-spoon. June-July. 



Dolichos Lablab L., the hyacinth bean, native 

 of tropical Asia and widely cultivated in tropical 

 and warm temperate regions for its edible seeds, 

 is a long annual vine with large purple flowers 

 and broad several-seeded pods. It is naturalized 

 in the Southern States, and spontaneous, though 

 scarcely established north to Ohio and the District 

 of Columbia. 



43. BRADBURYA Raf. Fl. Ltidov. 104. 1817. 

 [CENTROSEMA Benth. Ann. Mus. Wien, 2: 117. 1838.] 



Slender twining or prostrate vines, with pinnately 3-foliolate leaves (rarely 5-7-foliolate), 

 persistent stipules, and large showy axillary racemose or solitary flowers. Calyx campanu- 

 late, its teeth or lobes nearly equal ; standard orbicular, nearly flat, spurred on the back near 

 its base, clawed ; wings obovate, curved ; keel curved. Stamens more or less diadelphous (9 

 and i) ; anthers all alike. Style incurved, bearded at the apex around the stigma. Pod 

 linear, flattened, nearly sessile, partially septate between the seeds, 2-valved, the valves thick- 

 edged, longitudinally nerved along their margins, elastically dehiscent. [In honor of John 

 Bradbury, who travelled in America early in the century.] 



About 30 species, natives of America. Besides the following, 2 others occur in the Southern 

 States. Type species : Bradburya scandens Raf. 



i. Bradburya virginiana (L.) Kuntze. 

 Spurred Butterfly-Pea. Fig. 2635. 



Clitoria virginiana L. Sp. PI. 753. 1753. 

 Centrosema virginianum Benth. Ann. Mus. Wien 



2: 120. 1838. 

 B. 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'-ii' long; corolla 

 violet; calyx-lobes linear; pod linear, 4'-5' 

 long, about 2" wide, long-acuminate, its mar- 

 gins much thickened. 



Dry sandy soil. New Jersey to Florida, west to 

 Arkansas and Texas. Extends in several races 

 throughout tropical America to Bolivia. July- 

 Aug. 



27 



