DIAUELPHIA. UECANURIA, 107 



rated; as it can be equally refeired to either one or the 

 other. 



The South of Europe, Tartary and the Levant lurnish 

 the other 6 species of tills genus. 



507. LESPEDEZA. Mkkaux, 



Calix 5-partcd; bibracteate at the base, seg- 

 ments subequal. Carina transversely {,buise. 

 Lomcnt ieiiticul-irj unanncd, 1 seeded. 



stem sublig-neous, annual, seldom suffrulicose; leaves 

 ternate, mari^ln entire; stipules cauline, setaceous, partial 

 ones wanting; flowers axillai y and lerminal, racemose, or 

 sj)iked, spikes capitate, mostlv pedunculate; rachis brac- 

 teate, bractes triftd, 2-fiowered; calix bibracteolate at the 

 base. Flowers violet-purple or ochroleucous, the vexil- 

 lum then marked with a purple spot. (These characters 

 exist unitbrnily in 8 species which 1 have examined.) 



Species. 1. "L. sesdlifora. Erect and somewhat ramose; 

 leaflets oblong-oval, obtuse; fascicles of flowers subsessile, 

 .•ixillary ones parti}- racemose; loment naked, acute. IIab. 

 Common from New York to Florida, and throughout the 

 western states. 



^ 2. retlcrilcita. Stem simple, rigid and erect; leaflets ob- 

 long-linear, strigosely pubescent beneath; fascicles of 

 flowers subsessile, very numerous, axillary ones subrace- 

 niose; loment naked, aci'.te. Hab. In New Jersey. A spe- 

 cies distinct from the preceding, though confounded with 

 it by Michaux; it is taller and apparently never branch- 

 ed. 3. cv.pitata. 4. pohistachia. 



5 * St'uvet. Erect and simfrie, softly and sericeously vil- 

 lous; leaflets elliptic-oval; spikes pedunculate, scarcely 

 longer than tlie leaves; loments naked, pubescent- Hab. 

 In the sandy fields of New Jersey. This very distinct 

 species 1 have dedicated to the memory of my "friend W. 

 Stuve, M. D. of Brem.en, who discovered it. Obs. Stem 

 subligneous, but annual, simple, and rigidly erect, 2 to 3 

 feet high. Stipules cauline, sphacelate, and setaceous as 

 in the rest of the genus. The v/hole plant covered with a 

 soft and velvet-like villus, but most abundant on the under 

 surface of the leaves; lower petioles near an inch long, 

 leaves obtuse, destitute of the partial stipules of Hedysa- 

 "um in common with ihe genus, axills ramuliferous, ramuli 

 short and abortive or ultimatelv floriferous. Spike or ra- 

 ceme pedunculate, peduncle 'about an inch in length; 

 flowers as usual, in pairs, but distinct and not crowded, 

 each pair subtended by a irifid bracte. calix bibracteate 

 at the base, segrnents subulate, not veinedj shorter than 



