"84 LWJUMINOSiE. 



sub-equal teeth. Vexillum with 2 hard bunches ascend- 

 ing the claw and separating above. Wings and keel 

 sickle-shaped, the former adhering at top. Legume uneven 

 or swelling. Seeds numerous, kidney-shaped. — Twining 

 shrubby plants, with pinnate haves, and large racemes of 

 Hue-colored flowers with large colored bracts. 



1. W. frutescens, DC. American Wistaria. 



Stem pubescent, -when young, at length smooth; leaflets 9 to 13, ovate or ellipti- 

 «al-lanceolate, acute, slightly pubescent; wings with 2 auricles at base; ovaries 

 smooth. 



Rich alluvial soils : Western parts of the State. April, May. An ornamental 

 vigorous viuc, G to 10 feet long, climbing over bushes, <yc. Leaflets 1 to 2 inches 

 long, y 2 to 1 inch wide. Flowers numerous, on racemes 4 to 8 inches long, lilac. 

 Bracts very conspicuous, sheathing the racemes. Seeds spotted. 



2. W. CONSEQUANA, Benth. Chinese Wistaria. 



Stem of rapid growth, 12 to 15 feet long. Leaflets 9 to 13, ovate-lanceolate, silky- 

 pubescent. Flowers numerous, loose, in long terminal nodding racemes, clustered. 

 A splendid flowering vine from China. 3Iay, June. 



Tribe 3. HEDYSAILE^. The Samtfoin Tribe. 



Stamens monodelphous or eliadelphous. Legume (a loment) separating transversely 

 into 2-several 1-seecletl indehisccnt joints, or rarely reelucedto 1 such joint. 



12. ^SCHYNOMENE. Linn. Sensitive Joint Vetch. 



Gr. aischunomene, to be modest or ashamed '; alluding to its sensitive properties. 



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

 Vexillum roundish. Keel petals boat-shaped, distinct at 

 base. Stamens diadelphous, in 2 sets, 5 in each set. Le- 

 gume exscrtcd, flattened, composed of several square easily 

 scperable 1-seeded joints. — Leaves odd pinnate, sometimes 

 sensitive, as if shrinking from the touch. 



M. HISPIDA, Willd. Sensiiii" ^Exchynomcnc. 



Rough, bristly; stem erect: leaflets very smooth and numerous, 20 to 25 pairs, lin" 

 ear, obtuse; stip, ovate, acuminate; racemes 3 to 5-flowercd; axillary loment com- 

 pressed, 6 to 10 jointed. 



Along rivers and in inm>hcs. Aug". Stem 2 to 3 feet high. Leaflets about %-inch 

 long, Racemes usu &] a leaf. Flowers yellow, tinged with red externally. 



Legume 2 inches long, stalked, to 10-joiuted. 



13. HEDYSARUM. DC. 



Calyx 5-cleft, segments linear-subulate, nearly equal. 

 Standard large. Keel obliquely truncate. Wings much 

 shorter than the keel. Stamens diadelphous (9 and 1). 

 Legume with many joints; joints compressed, roundish 

 1 seeded. — Mostly herbaceous plants with odd pinnate leaves, 

 not stipellate. 



