LEGUMINOS.K. (I'ULSli FAMILY.) 137 



17. D. Cili^re, DC. Stem 6]em\t^v, /itiin/ or idui/li-jiiilKsrcnt ; leaves rrou-dd, 

 »n ven/ sliort hniiij ju'liohs ; Utijhts roninl-orntc ur oni/, iliickisli, moiv or le.>;s hairy 

 on tlie iiiar<;ins and niidiTncatli (^'-I'luny). — ])n liills anil sandy (itlds : 

 common, csptrially soutliward. 



18. D. Marilandicum, Boott. Xtar/i/ smooth througliont, slender; 

 leaflets ovate or ruiiiidis/i. wry olituse, thin, the lateral ones uhont the lent/th of the 

 slender jietiole : otheiwi.sc le.sumMing the prccLdiny. (1). obthsuni, DC) — 

 Copses : common. 



■t--i--^ Stems rerllnimj or prostrate: rurancs loosely jloivered 

 I'J. D. line^tum, DC. Stem minutely puijcsccnt, stiiate-an^led ; leallet.-- 

 orbicular, smoothish (i'-l' long), much longer than the petiole; pod scarcely 

 stalked in the calyx. — Dry soil, Maryland ( W. M. Cunby), Virginia and 

 southward. 



20. LESPEDEZA, Mirli. Brsii-CLovi:u 



Calyx 5-cleft ; tlie lobes nearly equal, slender. Stamens diadelphous (9 & 1 ) : 

 anthers all alike. Pods of a single 1-seedcd joint (sometimes 2-jointed, with 

 tlie lower joint empty and stalk-like), oval or rouiulish, flat, reticulated. — 

 Perennials with pinnately S-Coliolatc leaves, not stiiKliate. Stipules and bracts 

 minute. Flowers often polygamous, in summer and autumn. (Dedicated to 

 Lespedez, the Spanish governor of Florida in the time of JMicliaux.) 

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

 or clustered ; with smaller pistdlate and fertile but mostly apttalous ones inter- 

 mixed, or in subsessile little clusters. 



1. L. prOClimbenS, Michx. Sofl-doimy, except the u])]K-v surface of 

 the leaves, trailing, slender; leaflets oval or elliptical; peduncles slender, mostly 

 simple, few-flowered. — Sandy soil: commonest southward. — The ajietalous 

 fertile flowers, as in the rest, have short hooked styles. 



2. L. rdpens, Torr. & Gray. Smooth, except minute close-pressed scattered 

 hairs, prostrate, spreading, very slender; leaflets oval or obovate-elliptical (^' 

 long); peduncles slender and few-flowered; jiods roundish. — Dry sandy soil, 

 S. New York to Kentucky and southward. — Much like the last. 



3. li. viol^cea, Pers. Sterna upright or spreadinr;, branched ; leaflets vary- 

 ing from oval-oblong to linear, whitish-downy beneath with close-pressed pubes- 

 cence; peduncles or clusters few flowend : pods ovate. — The jirincipal varieties 

 arc, 1. 1)1 VKKGKNs, with oval or oblong leaflets and loosely jmnided flowers; 

 this runs into, 2. SKssn,iii,(')RA, with the flowers ])rinci])ally on peduncles much 

 shorter tlian the leaves, and clustered ; and a more distinct form is 3. angusti- 

 fAi.ia, with clo.sely clustered flowers on straight branches, crowded leaves, and 

 narrowly obhmg or linear leaflets, which are often silky. — Dry coiises : com- 

 mon. — Pods ripening from both sorts of flowers. 



4. L. Sttivei, Xutt. Stems iiprif(ht-spreadin(j, bushy, downy; leaflets oval 

 or rounilish, longer than the petiole, silky or white-woolly beneath (and some- 

 times above) ; clusters nuDiy-ftowered. crowded; pods ovate, downy. — Dry hills, 

 and sand, Plymouth, Mass. to Virginia, Michigan, and southward. — Apjiear- 

 ing intermediate between No. 3 and No. 5. 



L & M— 2f. 



