LEGUMINOS^. (pulse FAMILY.) 141 



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

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



-1- H- -1- Stems reclining or prostrate ; racemes Joosehj floicered. 

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

 lets orl)icu]ar, smouthish (^-1' long), much longer than the petiole; pod 

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



28. LESPEDEZA, Michx. Bush-Clover. 



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

 I ) ; 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 pinnately 3-foliolate leaves, not stipelhite. Flowers often 

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

 governor of Florida in the time of Michaux.) 



§ 1. Stipules siibidate-setaceous ; bracts minute ; cahjx-lobes attenuate ; perennial. 



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



icled or clustered ; with smaller pistillate and fertile but mosdi/ apetalous ones 

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



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

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

 peduncles ten/ 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 sparseig leaf// and sparingly pubescent ; leaflets thin, brondlg oral or ob- 

 long, finely appressed-pubescent beneath ; j/eduncles very slender, loosed g 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 ¥j. Kan., south to Fla. and La. 



3. L. reticulata, Pers. Stouter, erect, verg lea fg; leaflets thickish, linear 

 to linear-oblong, 6-15" long, finely appressed-pubescent ; //o«-firs (scarcely 3" 

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

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

 var. angustifolia, Toi-r. <^- Gray.) — Mass. to Minn., and southward. 



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

 what ])ranched, downy ivith spreading pubescence ; leaflet'' oval or roundish varv- 

 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. I'ubescence more scanty and usually fine 

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

 more open ; pod of n. 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 

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



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

 petioles 2-6" long ; leaf ets from orbicular to oblong -ovate, hairy; spikes oblong. 



