270 DIADELPHIA.— DECANDRIA. 



oval-oblong, hairy ; stipules partly sheathing ; 

 joints nearly round, smooth. 

 IIAB. Mountains. U . Fl. purp. 



451. JESCHYNOMENE. Leguminosce. 



.£. kispida : stem erect, and with the petioles, pedun- 

 cles, and loments hispid ; leaves in many pairs ; 

 leaflets linear, obtuse ; racemes simple, few- 

 flowered. 

 HAB. River marshes. Aug. © . Stem 2 — 3 ft. 

 high ; leaf., very num. ; fl- yell, and red. 



452. PHASEOLUS. Kidney-bean. Leguminosce. 



?.perennis: twining, pubescent ; racemes paniculate, 

 mostly by pairs ; leaflets ovate, acuminate, triply 

 nerved ; legumes pendulous. 

 HAB. Dry woods. July. U. Stem long; pan. 

 6 — 12 in. long ; leg. broad-falcate. 



453. STROPHOSTYLES. Leguminosce. 



I . S. angulosa : leaves ternate ; leaflets angular, 2— 



3-lobed ; flowers capitate, on peduncles longer 



than the leaves. 

 HAB. Rocky banks. Aug. ©. Stem prostrate. 



somewhat hairy ; lower leaves entire. 

 I. S. helvolus: climbing or prostrate ; leaves ternate ; 



leaflets oblong-ovate ; flowers capitate, on very 



long peduncles. 

 HAB. Sandy fields. July— Aug. U. Stem branch. • 



pedunc. 6 — 8 in. long. 



454. APIOS. Leguminosce. 



\, tuberosa. 

 HAB. Shady thickets. July— Aug. U. Root tub. ; 

 stem twining ; leaves pinnate ; leafl. 5 — 7 ; racem. 

 axill. ; fl. dark purp. 



455. AMPHICARPA. Leguminosce. 



i. monoica: leaves ternate, ovate, smooth ; stem hairy ; 

 racemes of the stem pendulous, petaliferous, ste- 



