LEGUMINOS^:. (PULSE FAMILY.) 141 



the slender petiole; otherwise resembling the preceding. Copses, N. Eng. to 

 Fla., west to Mich., Mo., and La. 



i- -i- H- Stems reclining or prostrate ; racemes loosely flowered. 

 20. D. lineatum, DC. Stem minutely pubescent, striate-angled ; leaf- 

 lets orbicular, smoothish (-!' long), much longer than the petiole; pod 

 scarcely stalked in the calyx. Dry soil, Md. and Va. to Fla. aud La. 



28. LESPEDEZA, Michx. BUSH-CLOVER. 



Calyx 5-cleft; the lobes nearly equal, slender. Stamens diadelphous (9 and 

 1 ) ; anthers all alike. Pods of a single 1 -seeded joint (sometimes 2-jointed, 

 with the lower joint empty and stalk-like), oval or roundish, flat, reticulated. 

 Herbs with piuuately 3-foliolate leaves, not stipellate. Flowers often 

 polygamous, in summer and autumn. (Deducted to Lespedez, the Spanish 

 governor of Florida in the time of Michaux.) 



1. Stipules subu/ute-setaceous ; bracts minute ; calyx-lobes attenuate ; perennial. 



* Flowers of two sorts, the larger (violet-purple) perfect, but seldom fruitful, pan- 



icle d or clustered ; with smaller pistillate, and fertile but mostly apetalous ones 

 intermixed or in small subsessile clusters ; calyx \ - 2" long ; pod exserted. 



1. L. prociimbens, Michx. Slender, trailing and prostrate, minutely 

 appressed-hairy to soft-downy ; leaflets oval or obovate-elliptical, 3-9" long; 

 peduncles very slender, few-flowered ; keel equalling the wings; pod small, 

 roundish, obtuse or acute. (Incl. L. repens, Bart.) Dry sandy soil ; common. 



2. L. vioiacea, Pers. Stems upright or spreading^ slender, branched, 

 rather sparsely leafy aud sparingly pubescent ; leaflets thin, broadly oval, or ob- 

 long, finely appressed-pubescent beneath ; peduncles very slender, loosely few- 

 flowered, mostly longer than the leaves; flowers 3-4" long, the keel often the 

 longest; pod ovate, 2-3" long, nearly glabrous. Dry copses, N. Eng. to 

 Minn, and E. Kan., south to Fla. and La. 



3. L. reticulata, Pers. Stouter, e rect, very leafy ; leaflets thickish, linear 

 to linear-oblong, 6-15" long, finely appressed-pubescent ; flowers (scarcely 3" 

 long) clustered on peduncles much shorter than the leaves, the keel shorter than 

 the standard ; pods ovate, acute, 2" long, appressed-subpubesceut. (L. vioiacea, 

 var. angustifolia, Torr. fr Gray.) Mass, to Minn., and southward. 



4. L. Stuvei, Nutt. Stems upright-spreading, very leafy, simple or some- 

 what branched, downy with spreading pubescence ; leaflets oval or roundish vary- 

 ing to oblong or rarely linear-oblong, silky or white-woolly beneath and sometimes 

 above; flowers as in the last, often numerous and crowded ; pods ovate, acumi- 

 nate, mostly 3" long, downy. Mass, to Mich., and south to Va. and Tex. 



Var. intermedia, Watson. Pubescence more scanty and usually fine 

 and appressed as in u. 3, but the leaflets oval to oblong; inflorescence often 

 more open ; pod of u. 4 or of n. 3. ( L. vioiacea, var. sessiliflora, of Man., 

 mainly.) Mass, to Fla., and west to Mich., 111., E. Kan., and Ark. 



* * Flowers all alike and perfect, in close spikes or heads; corolla whitish or 



cream-color with a purple spot on the standard, about the length of the downy 

 ^-parted calyx; pod included ; stems upright, wand-like (2-4 high). 



5. L. polystachya, Michx. Stem with mostly spreading pubescence ; 

 petioles 2 - 6" long ; leaflets from orbicular to oblong-ovate, hairy ; spikes oblong, 



