292 



LEGUMINOS.E. CLV. DESMODIUM. 



with white tomentum ; leaflets elliptic, rather mucronate, having 

 parallel veins, clothed with hoary silky tomentum on both sur- 

 faces ; racemes elongated; joints of legume 1-5, deltoid, semi- 

 orbicular, clothed with soft canescent pubescence. >j . S. Na- 

 tive between Acapulco and the city of Mexico, near Mascala 

 and Chilpacingo, Hedys. cinereum, H. B. et Kunth, nov. gen. 

 amer. 6. p. 526. Flowers purple. 



Cinereous Desmodium. Fl. Jul. Aug. Clt. 1820. Sh. 1 to 2 ft. 



52 D. SEROTINUM (D. C. prod. 2. p. 338.) stem herbaceous ; 

 leaflets elliptic, obtuse, pubescent beneath as well as the petioles ; 

 racemes terminal, simple. If. . G. Native of Mexico, near 

 Jalapa. Hedys. serotinum, Willd. enum. p. 777. 



Za/e-flowering Desmodium. PL 1 foot. 



53 D. PLICA' TUM (Schlecht. et Cham, in Linnaea. 5. p. 585.) 

 stem erect, terete, clothed with retrograde canescent tomentum 

 upwards, but below with dense canescent pubescence ; leaves on 

 short petioles ; leaflets oblong- elliptic, rather retuse and mucro- 

 nate at the apex, pubescent above and tomentose beneath ; sti- 

 pulas and stipels ending in a long acumen each ; spikes panicled ; 

 flowers in fascicles ; bracteas very narrow and very acute, ex- 

 ceeding the calyx ; legumes tomentose, with a few, usually 3-4, 

 complicated joints. tj . G. Native of Mexico, in fields, be- 

 tween Misantla and Colipa. The whole plant is of a yellowish- 

 cinereous colour. Corolla violaceous. Habit of Hedys. caja- 

 nif olium, H. B. et Kunth. Hedys. multiflorum, H. W. no. 

 13797. et Schlecht. et Cham. 1. c. 



/Y/ca/e-podded Desmodium. Shrub 2 feet. 



* South American and West Indian species. Hedysarum, 

 Sivartz, fl. ind. occid. 5. p. 1263. H. B. et Kunth, nov. gen. 

 amer. 6. p. 517. 



54 D. UNCINA'TUM (D. C. prod. 2. p. 331.) stern shrubby, 

 climbing, rough from hairs, which are hooked at the apex ; 

 leaflets ovate, villous, painted with white above ; racemes ter- 

 minal. !j . ,_,. S. Native of the Caraccas. Hedys. uncinatum, 

 Jacq. hort. schrenb. 3. t. 298. Flowers violaceous. 



Hooked-haired Desmodium. Shrub cl. 



55 D. COZRU LEO-VIOLA'CEUM (D. C. prod. 2. p. 331.) stems 

 shrubby, terete, diffuse, and are as well as the leaves clothed 

 with villous pubescence ; leaflets elliptic ; stipwJas lanceolate- 

 subulate, ciliated ; racemes terminal, capitate ; legumes scabrous, 

 pilose. Tj . S. Native of Guiana. Hedys. cceruleo-violaceum, 

 Meyer, esseq. 246. Calyx 5-parted, with lanceolate-subulate 

 lobes. Corolla bluish violet. 



Bluish-violet-fiowered Desmodium. Shrub 1 to 2 feet. 



56 D. MOLLICULUM (D. C. prod. 2. p. 331.) stems diffuse, 

 clothed with soft pili as well as the petioles and peduncles ; leaf- 

 lets pilose on both surfaces, terminal one rhomboid-orbicular, 

 lateral ones roundish-elliptic, mucronate ; racemes loose-flowered, 

 young legumes with 2 hispid joints. ^ . S. Native of South 

 America. Hedys. molliculum, H. B. et Kunth, nov. gen. amer. 

 6. p. 519. Heteroloma lanatum, Desv. ined. Flowers purple. 

 Allied to D. lanatum and D. rotund/folium. 



Softish Desmodium. Shrub diffuse. 



57 D. ARINA'RIUM (H. B. et Kunth, nov. gen. amer. 6. p. 

 527.) stems herbaceous, procumbent ; stipulas ovate, acumin- 

 ately- subulate ; leaflets oblong-elliptic, clothed with adpressed 

 pubescence <on both surfaces, glaucescent beneath ; racemes 

 almost terminal or opposite the leaves, solitary ; joints of legume 

 few, hairy. If.. S. Native on the banks of the Orinoco, near 

 Atures, in sandy places. Flowers violaceous. 



Sand Desmodium. PI. procumbent. 



58 D.? MULTICAU'JLE (D. C. prod. 2. p. 331.) stems diffuse, 

 slender, suffrutescent at the base, clothed with hoary-velvety 

 down as well as the leaves ; leaflets elliptic ; stipulas broad, 

 cordate, acuminated ; racemes opposite the leaves and about the 



same length ; pedicels twin ; bracteas tern, acuminated. Jj . S. 

 Native of Peru. Root thick, woody. Flowers small. Young 

 legume slender and many-jointed, villous. Perhaps this plant 

 does not belong to the present genus. 



Many-stemmed Desmodium. Shrub diffuse. 



59 D. ERYTHRIN/EFOLIUM (D. C. prod. 2. p. 331.) stems 

 twiggy, glabrous, angular ; leaflets broad-ovate, acuminated, 

 glabrous, pale beneath ; stipulas subulate ; racemes terminal, 

 somewhat panicled ; joints of legume very smooth and dolabri- 

 form, acute at both ends. Ij . S. Native of South America. 

 Hedys. erythrinaef olium, Juss. in Poir. diet. 6. p. 408. 



Erythrina-leaved Desmodium. Shrub. 



60 D. CARIPE'NSE ; plant erect ; branches, petioles, and pe- 

 duncles rather hairy ; leaflets ovate-oblong, mucronate, ciliated, 

 hairy above but glabrous beneath ; racemes elongated ; joints of 

 legume 3-5, rhomboid, hairy. I? . S. Native of Cumana, near 

 Caripe. Hedys. Caripense, H. B. et Kunth, nov. gen. amer. C. 

 p. 523. D. Cumanense, D. C. prod. 2. p. 331. Flowers purple. 



Caripe Desmodium. Shrub 2 to 3 feet. 



61 D. CAJANIFOLIUM (D. C. prod. 2. p. 331.) branches 

 densely hairy ; leaflets oblong, obtuse, full of parallel veins, 

 glabrous and shining above, but covered with soft silky pubes- 

 cence and glaucescent beneath ; racemes panicled ; joints of 

 legume 2-G, semi-orbicular, and puberulous. Jj . S. Native on 

 the banks of the river Magdalena, near Honda, and of the island 

 of Trinidad. Hedys. cajanif olium, H. B. et Kunth, nov. gen. 

 amer. 6. p. 525. t. 598. Flowers bluish. 



Pigeon-pea-leaved Desmodium. Fl. July, Aug. Clt. 1 820. 

 Shrub 2 to 3 feet. 



62 D. WA'DE (D. C. prod. 2. p. 331.) stem shrubby ; lower 

 leaves simple, the rest trifoliate ; leaflets ovate-lanceolate, ci- 

 liated ; racemes very long, opposite the leaves ; pedicels tern ; 

 legumes membranous, scabrous, 3-jointed. Ij . S. Native of 

 Brazil, particularly in Para. Hedys. Wade, Vand. in Roem. 

 script. 63. Flowers small, white. Wade is the vernacular name 

 of the plant. 



Jl'ade Desmodium. Shrub 1 to 2 feet. 



63 D. RACEMI'FERUM (D. C. prod. 2. p. 331.) stem terete, 

 slender, hispid ; leaflets oval, obtuse, glabrous above, villous be- 

 neath, and somewhat marcescent ; stipulas and bracteas oblong, 

 acuminated, villous ; racemes terminal ; pedicels twin at each 

 bractea, which is caducous. Tj . S. Native of Cayenne. Hedys. 

 racemosum, Aubl. guian. 2. p. 774. ? but notof Thunb. Flowers 

 purple. 



Raceme-bearing Desmodium. Shrub 1 to 2 feet. 



64 D. ANCISTROCA'RPUM (D. C. prod. 2. p. 331.) stem fru- 

 tescent, pilosely-pubescent ; leaves glaucous beneath ; leaflets 

 of the lower leaves orbicular, of the upper ones elliptic ; racemes 

 opposite the leaves, elongated; joints of legume numerous, semi- 

 orbicular, hispid from stiff hairs, which are hooked at their 

 apices. Tj . S. Native of Brazil. Hedys. ancistrocarpum, 

 Ledeb. ind. hort. dorp, suppl. 1823. Flowers small, purple. 



Ancistrum-fruited Desmodium. Shrub 1 to 2 feet. 



G5 D. INCA'NUM (D. C. prod. 2. p. 332 ) stem suffrutescent. 

 erect, terete, pubescent ; leaflets ovate-oblong, hoary beneath ; 

 stipulas oblong, acuminated, glabrous ; racemes terminal ; pe- 

 dicels solitary ; legumes deflexed, puberulous, having semi-orbi- 

 cular joints. Tj . S. Native of Jamaica and St. Domingo, 

 among bushes and grass. Hedys. incanum, Swartz, fl. ind. occid. 

 1265. but not of Thunb. Hedys. canescens, Mill, but not of 

 Lin. Hedys. incanum, Lun. hort. jam. ^Eschynomene incana, 

 Meyer. Plum, ed Burm. t. 149. f. 1. Flowers pale red. 



Hoary Desmodium. Fl. Jul. Aug. Clt. 1818. Sh. 2 to 3 ft. 



66 D. SUPINUM (D. C. prod. 2. p. 332.) stems frutescent, de- 

 clinate, pubescent above ; leaflets ovate, clothed with hoary villi 

 beneath ; stipulas lanceolate, acuminated, puberulous ; racemes 



