PAPILIONACEAE. 563 



other minute, apetalous, abundantly fertile. Calyx lobes nearly equal. Standard 

 in the petaliferous flowers obovate or oblong, clawed; wings oblong; keel incurved. 

 Stamens more or less diadelphous (9 and i); anthers all alike. Ovary sessile or 

 stipitate, i-ovuled. Pod ovate, oblong, oval or suborbicular, flat, indehiscent, 

 reticulated, composed of a single joint, or rarely with a second stalk-like joint at 

 the base. [Named for Lespedez, governor of Florida, patron of Michaux.j A 

 genus of about 35 species, natives of eastern N. Am., Asia and Australia. 



1. PERENNIALS; STIPULES AND BRACTS SUBULATE; CALYX-LOBES NARROW. 



* Both petaliferous and apetalous flowers present; corolla purple or purplish; pod 



exserted. 



Peduncles slender and mostly exceeding the leaves. 

 Petaliferous flowers capitate or spicate. 



Plants trailing or diffusely procumbent. 



Glabrous or appressed-pubescent. i. Z,. repens. 



Woolly or downy-pubescent. 2. L. procumbens. 



Plants erect, rather stout, pubescent. 3. L. Nuttallii. 



Petaliferous flowers loosely paniculate ; stem erect or ascending. 



4. L. violacea. 



Flower-clusters of both kinds sessile or nearly so. 

 Leaflets oval, oblong or orbicular. 



Foliage densely downy-pubescent. 5. L. Stuvei. 



Foliage glabrate or appressed-pubescent. 6. L. frutescens. 



Leaflets linear or linear-oblong. 7. L. Virginica. 



* * Flowers all complete; corolla whitish or yellowish; pod included or scarcely 



exserted. 



Leaves oblong, ovate-oblong or nearly orbicular. 



Peduncles' exceeding the leaves. 8. L. hirta. 



Peduncles shorter than the leaves. 9. L. capitata. 

 Leaves linear or linear-oblong ; peduncles elongated. 



Spikes densely flowered. 10. L. angustifolia. 



Spikes interrupted, loosely-flowered. n. L. leptostachya. 



2. ANNUAL; STIPULES OVATE; CALYX-LOBES BROAD. 12. L. striata. 



1. Lespedeza repens (L.)Bart. CREEPING BUSH-CLOVER. (I. F. f. 2192.) 

 Glabrate or appressed-pubescent, tufted; stems slender, 1.5-6 dm. long. Petioles 

 shorter than the leaves; stipules about 2 mm. long; leaflets oval or obovate, obtuse 

 or retuse at the apex, 6-17 mm. long; inflorescence rather loose; corolla violet- 

 purple, 4-6 mm. long; pod oval-orbicular, acute, finely pubescent, 3 mm. long. 

 In dry or sandy soil, L. I. to Fla., Minn., Kans. and Tex. Aug. -Sept. 



2. Lespedeza procumbens Michx. TRAILING BUSH-CLOVER. (I. F. f. 

 2193.) Woolly or downy- pubescent, sometimes ascending, stouter than the pre- 

 ceding species; stems 3-7.5 dm. long. Petioles commonly much shorter than the 

 leaves; leaflets oval or elliptic, rarely slightly obovate, obtuse or retuse at the apex, 

 rounded at the base, 11-25 mm. long; peduncles longer than the leaves, or the 

 flowers sometimes all apetalous and nearly sessile; corolla violet-purple or pinkish- 

 purple; pod oval-orbicular, acute, pubescent, 3 mm. long. In dry soil, N. H. to 

 Fla., the Ind. Terr, and La. Aug. -Sept. 



3. Lespedeza Nuttallii Darl. NUTTALL'S BUSH-CLOVER. (I. F. f. 2194.) 

 More or less villous-pubescent, 6-9 dm. high. Petioles shorter than the leaves; 

 leaflets oval, obovate or suborbicular, thickish, obtuse or emarginate, dark green 

 and glabrous or nearly so above, villous-pubescent beneath, 9 mm.-4 cm. long; in- 

 florescence capitate or spicate, dense ; flowers violet-purple, about 6 mm. long ; pod 

 oblong or oval, acuminate or acute at each end. very pubescent. 5-6 mm. long. 

 Dry soil, southern N. Eng. and N. Y. to Mich., Fla. and Kans. Aug. -Sept. 



4. Lespedeza violacea (L.) Pers. BUSH-CLOVER. (I. F. f. 2195.) Spar- 

 ingly pubescent, usually much branched, 39 dm. high. Stipules 46 mm. long; 

 leaflets oval, elliptic or elliptic-oblong, thin, obtuse or retuse, rounded at the base, 

 13 mm.-5 cm. long, appressed-pubescent beneath; peduncles, at least the upper 

 ones, longer than the leaves; inflorescence loose, paniculate; corolla violet-purple, 

 6-1 1 mm. long; pod ovate or oval, acute, finely and sparingly pubescent or gla- 



