88 leguminosjE. 



flowers in pairs, distinctly pedicellate; legume rhomboidal, reticulate and smooth, 

 much longer than the calyx. 



Dry woods. July. Stems clustered, slender, 8 to 14 inches long. Apetalous 

 flowers few, perfect ones seldom producing fruit. Leaflets % to 1 inch long, % to % 

 inch wide. Petioles % to 1% inches long. Flowers violet-colored, small. 



Var. b. divergens, (L. divergms of Pursh). Pedicels filiform, divergent, much 

 longer than the leaves; flowers in loose panicles mostly tmfruitfal; legume reticu- 

 late ; leaflets oval or oblong. 



Var. c. sessiliflora. (L. sessiliflora of Nutt.) Leaves on short petioles ; fascicles 

 of flowers subsessile, on peduncle much shorter than the leaves. 



Var. d. ungustifolio. (L. ungustifolio, Raf. L. reticulata. Pers.) Leaves crowded ; 

 leaflets narrowly oblong or linear, often silky: floivers clustered on straight 

 branches. I have followed Torrey and Gray in giving the above only as varieties 

 of L. violacea:. 



* * Steins upright; Flowers all alike and perfect, in spikes or heads. 



3. L. CAPITATA, Michx. Shrubby or Capitate Lespedeza. 



Stem erect, sub-simple, villose ; leaflets elliptic-ovate, pubescent beneath ; common 

 petioles very short; spikes capitate, ovoid, on short axillary peduncles; legum*s 

 elliptic ovate, pubescent much shorter than the calyx. 



Dry sandy soil. July, A.ug. Stem 2 to 4 feet high, rigid, straight, woolly. Leaves 

 numerous, on short petioles. Leaflets 1 to V/ 2 by J^ to % inches, nearly smooth 

 above. Flowers in oblong or sub-globose heads, white or very pale yellow. — Var. 

 angustifolia slender; leaflets linear; peduncles sometimes elongated. 



4. L. hirta, Ell. Hairy Lespedeza. 



Stem branched, very villose ; leaves on very short slender petioles ; leaflets ronnd, 

 Oval, obtuse, hairy; spikes oblong-cylindric ; peduncles longer than the leaves, 

 axillary. 



Dry hilly woodlands ; frequent. Aug., Sept. Stem 2 to 4 feet high, very hairy. 

 Leaflets % to V/ 2 inches long, y 2 to 1 inch wide. Legume compressed, elliptic-ovate, 

 very hairy, nearly as long as the calyx segments. 



5. L. Nuttallii, Darl. NuttalVs Lespedeza. 



Stem hairy, somewhat branched; leaflets ©vate and obovate, villose beneath; 

 racemes somewhat spiked, pedunculate, longer than the leaves; legume lance-ovate, 

 acuminate, very pubescent, rather longer than the calyx. 



Dry hills ; frequent. Aug., Sept. Stem 2 to 3 feet high, striate. Leaflets }/ 2 to 

 V/i inches long, % inch wide. Flowers rather crowded in somewhat spiked peduu- 

 cled racemes, mostly longer than the leaves, purple with tinges of violet. 



16. STYLOSANTHES. Swarts. 



Gr. stulos, a column, and anthos, a flower; the flowers appearing stipitate. 



Tube of the calyx very long, slender; limb 2-lipped, 

 tipper 2, the lower 3-cleft. Corolla inserted in the throat 

 of the calyx. Stamens monodelphous; 5 of the anthers 

 linear, the 5 alternate ones ovate. Fertile flowers with 

 a hooked style. Legume reticulated with 1 to 2 joints, the 

 lower joint when pressed empty and stalk-like, the upper 

 ovate, l-(2)-seeded. — Low perennials, with p innately S-foliate 

 leaves; the stipules united with the petioles, and 2 hinds of 

 flowers intermixed in the clusters; one kind complete, but un- 

 fruitful, the other fertile and consisting only of a pistil between 

 2 bractlets. 



