LEGUMINOSiE. 83 



^s tong peduncles ; legume with smooth rugose roundish joints. H. al- 

 pimivi Mich. 



Mountains. Can. and Penn. N. to Arct. Amer. W. to the Rocky Mountains. 

 June, July. %.. — Stem 6 — 12 inches high, rather stout. Flowers large, nu- 

 merous, purple. Northern Hedysarum. 



18. LESPEDEZA. ikKcA.— Lespedeza. 



(Dedicated by Michaux to Lespedez, a Spanish governor of Florida.) 



Calyx with 2 bracts at base, 5 -parted ; segments nearly equal. 



Corolla papilionaceous. Keel transversely obtuse. Stamens 



diadelphous (9 and 1). Legume lenticular, compressed-flat, 



not opening, 1 -seeded, unarmed. 



1. L. reticulata Pers. : stem erect, simple, nearly smooth ; leafets oblong- 

 linear, obtuse, mucronate, hairy beneath ; fascicles of flowers subsessile, 

 numerous ; axillary ones subracemose ; legume ovate, reticulate, acute, 

 longer than the calyx. L. sessilijlflra, var. Mich. L. angnstifolia. Raf. 

 L. violacea. Torr. <{"♦ Gr. Hedysarum rcticulatum WUld. 



Dry woods. N. J. Penn. W. to 111. Aug. %. — Stem 2 feet high, very rarely 

 branched. Leafets half an inch to an inch long, 2 lines wide. Flowers in short 

 .clustered axillary racemes, violet. Reticulated Lespedeza. 



2. L. sessilijlara Nutt. : stem erect, somewhat branched ; leaves on short 

 petioles ; leafets oblong-oval, obtuse ; fascicles of flowers subsessile ; axillary 

 ones partly racemose ; legume ovate, acute or acuminate, much longer than 

 the minute calyx. Hedysarum sessUifiorum Lam. L. violacea Torr. <^ Gr. 



Dry woods. N. Y. to Flor. W. to Miss. Aug., Sept. I^^.—Stem 2 feet 

 high, slender. Leaves hairy beneath. Floioers in subsessile axillary clusters, 

 violet. Sessile-flowered Lespedeza. 



3. L. Stuvei Nutt. : stem, simple, erect, softly and sericeously villous ; 

 leaves on very short petioles ; leafets elliptic-oval, mucronate ; racemes pe- 

 dunculate, scarcely longer than the leaves ; legume pubescent, naked, 

 longer than the calyx. 



Sandy fields. N. J. to Louis. W. to Texas. July, Aug. %.—Ste7}i 2—3 

 feet high, covered with a sdky pubescence. Peduncles an inch long. Flowers 

 purple, very variable. Stuve''s Lespedeza. 



4. L. capitata Mich. : stem erect, simple ; leaves on very short petioles ; 

 leafets varying from elliptic to Unear, with close-pressed hairs beneath ; spikes 

 capitate, on short peduncles ; calyx villous, as long as the corolla, with the 

 oval legume much longer. L. friLtescens and L. angustifolia Ell. 



Dry woods. Can. to Car. W. to Miss. July, Aug. % — Stem 2 — 4 feet 

 high, stmight. Leafets an inch or an inch and a half long, and 2 — 6 hnes wide. 

 Flowers in oblong or subglobose heads, white or very pale yellow. 



Round-headed Lespedeza. 



5. L. polystachia Mich. : stem erect, branched, very villous ; leaves on 

 very short petioles ; leafets round-oval, obtuse ; spikes oblong-cylindric, the 

 peduncles at length much longer than the leaves ; corolla and legume about 

 as long as the calyx. L. hirta Ell. Torr. (^- Gr. Hedysarum hirtum Linn. 



Dry woods. Can. to Flor. Aug., Sept. %.. — Stem 2 — 4 feet high. Leafets 

 about an inch long. Flowers reddish- white, in dense spikes which are about an 

 inch in length. Hairy Lespedeza. 



