LEGUMINOSjE. 83 



on long peduncles ; legume with smooth rugose roundish joints. H. al- 

 pinum 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. Mich. 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. sessiliflora, var. Mich. L. an gusti folia. Raf. 

 L. violacea. Torr. dp Gr. Hedysarum reticulatum Willd. 



Dry woods. N. J. Penn. W. to 111. Aug. 1\.. 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. scssiliflora NiM. : 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 sessiliflorum Lam. L. violacea Torr. <$ Gr. 



Dry woods. N. Y. to Flor. W. to Miss. Aug., Sept. QJ.. Stem 2 feet 

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

 violet. Sessile-flowered Lespedeza. 



3. L. Stuvci Nult. : 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. %. Stem 23 

 feel high, covered with a silky 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 linear, with close-pressed hairs beneath ; spikes 

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

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



Dry woods. Can. to Car. W. to Miss. July, Aug. 7J. Stem 24 feet 

 high, straight. Leafets an inch or an inch and a half long, and 2 6 lines 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. fy Gr. Hedysarum hirtum Linn. 



Dry woods. Can. to Flor. Aug., Sept. [2J.. Stem 24 feet high Leafets 

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

 inch in length. Hairy I^espedeza. 



