LEGUMINOS^l. CLV. DESMODIUM. 



291 



according to Ell. sketch. 2. p. 211. but the leaflets are said to be 

 not half the size, and blunter. 



Glabrous Desmodium. Fl. July, Sept. PI. 1 to 2 feet. 



35 D. PANICULA'TUM (D. C. prod. 2. p. 329.) stem erect, 

 glabrous ; leaflets oblong-lanceolate or elliptic, glabrous ; stipu- 

 las subulate ; panicle terminal ; joints of legume 4, rhomboid, 

 pubescent. T. H. Native from New York to Carolina, in 

 dry woods. Hedys. paniculatum, Lin. spec. 1056. Pluk. aim. 

 t. 432. f. 6. Flowers small, pale purple. 



Panicled-fiowcrcd Desmodium. Fl. July. Clt. 1781. PI. 2 ft. 



36 D. STRI'CTUM (D. C. prod. 2. p. 329.) stem straight, erect, 

 glabrous, simple ; leaflets linear-elliptic, glabrous, reticulately 

 veined, glaucous beneath ; stipulas subulate ; panicle terminal, 

 pedunculate, few-flowered ; joints of incurved legume somewhat 

 lunately triangular, hispid. I/ . H. Native of woods, in New 

 Jersey. Hedys. hirtutn, Pursh, fl. amer. sept. 2. p. 483. Nutt. 

 gen. amer. 2. p. 109. Flowers purple. 



Straight Desmodium. PI. 1 to 2 feet. 



37 D. ACUMINA'TUM (D. C. prod. 2. p. 329.) stem erect, sim- 

 ple, pubescent, leafy at the apex ; leaves on long footstalks ; 

 leaflets ample, ovate, long-acuminated, rather pilose on both sur- 

 faces, the terminal one roundish-ovate ; panicle terminal, on a 

 long peduncle ; pedicels rather pilose ; joints of stipitate legume 

 3, bluntly triangular, pubescent. I/ . H. Native from New 

 England to Carolina, and Upper Canada at Lake Huron. Hedys. 

 acuininatum, Michx. fl. bor. amer. 2. p. 72. Pursh, 1. c. Hedys. 

 glutinosum, Willd. spec. 3. p. 198. Pursh, 1. c. ex Nutt. 1. c. 

 Flowers purple. 



Acuminated-leafietted Desmodium. Fl. July, Aug. Clt. 1805. 

 PI. 1 to 2 feet. 



38 D. NUDIFLORUM (D. C. prod. 2. p. 330.) stem erect, simple, 

 smoothish ; leaflets broad- oval, acuminated ; scape panicled, 

 glabrous, radical, higher than the leaf-bearing stems ; joints of 

 legume roundish-triangular, smoothish. !(.. H. Native from 

 New England to Carolina, and in Canada about Quebec, in woods 

 and in waste fields. Hedys. nudiflorum, Lin. spec. 1056. Ell. 

 sketch. 2. p. 209. Flowers purple. 



Naked-flowered Desmodium. Fl. Jul. Aug. Clt. 1823. PI. 1 ft. 



39 D. PAUCIFLORUM (D. C. prod. 2. p. 330.) stem decumbent, 

 very humble and filiform ; leaves on very long petioles ; leaflets 

 broad-ovate, acuminated, ciliated with pubescence ; stipulas ob- 

 solete ; racemes terminal, pedunculate, few-flowered, hardly ex- 

 ceeding the leaves. 1. H. Native of the woods of Ohio, Ken- 

 tucky, and Tennessee. Hedys. pauciflorum, Nutt. gen. amer. 

 2. p. 109. Flowers small, white. 



Few-flowered Desmodium. Fl. July, Aug. Clt. 1818. PI. 

 decumbent. 



40 D. RI'GIDUM (D. C. prod. 2. p. 330.) stem erect, much 

 branched, tomentose ; leaflets oblong-ovate, obtuse, reticulated, 

 pubescent ; panicle branched ; bracteas ovate-lanceolate, acumi- 

 nated. U- ? H. Native of Carolina. Hedys. rigidum, Ell. 

 sketch. 2. p. 215. Flowers purple. 



Stiff Desmodium. PI. 1 to 2 feet. 



41 D. RHOMBIFOLIUM (D. C. prod. 2. p. 330.) plant pubes- 

 cent ; leaflets rhomboid, obtuse, thickish, reticulately wrinkled ; 

 panicle compound ; bracteas small : joints of legume 1-3, almost 

 orbicular, veiny and pubescent. I/ . ? F. Native of Carolina, 

 near Beaufort. Hedys. rhombifolium, Ell. sketch. 2. p. 215. 

 Flowers purple. 



Rhomb-leqfletted Desmodium. PL 



42 D. LINEA'TUM (D. C. prod. 2. p. 330.) stem creeping, green, 

 and lined ; leaves almost sessile ; leaflets nearly orbicular, 

 smoothish; racemes elongated, few-flowered; joints of legume 

 lenticular. I/. H. Native of Carolina. Hedys. lineatum, 

 Michx. fl. bor. amer. 2. p. 72. but not of Lin. Flowers purple. 



Lineated-stemmed Desmodium. PI. creeping. 



43 D. ROTUNDIFOLIUM (D. C. prod. 2. p. 330.) stem pros- 

 trate, hairy ; leaflets orbicular, pilose on both surfaces : stipulas 

 roundish-cordate, reflexed ; racemes axillary, and forming a ter- 

 minal few-flowered panicle ; bracteas cordate ; joints of legume 

 rather rhomboid, reticulated, and scabrous. If. . H. Native 

 from Pennsylvania to Carolina, in dry rocky places. Hedys. 

 rotundifolium, Michx. 1. c. Pursh, 1. c. but not of Vahl. Hedys. 

 canescens, Willd. ex Ell. Flowers purple. 



Round-leafletted Desmodium. Fl. July, Aug. Clt. 1733. 

 PI. prostrate. 



f- North American species not sufficiently known. 



44 D. PEDUNCULA'TUM (D. C. prod. 2. p. 338.) stem herba- 

 ceous, erect ; leaflets ovate at the base, and acuminated at the 

 apex, smooth, middle one longer than the petiole ; racemes axil- 

 lary, erect, very long. I/ . F. Native of South Carolina. 

 Hedys. pedunculatum, Mill. diet. no. 17. Flowers pale yellow. 



Peduncled Desmodium. PI. 1 foot. 



45 D. GRANDIFLORUM (D. C. prod. 2. p. 338.) leaflets oval, 

 veiny, smooth on "both surfaces ; racemes axillary, erect; flowers 

 large ; legumes pendulous, many-jointed. Native of Carolina. 

 Hedys. grandirlorum, Walt. car. 185. but not of Pall. 



Great-flomered Desmodium. PI. 2 feet. 



46 D. RE'PENS (D. C. prod. 2. p. 338.) stems procumbent; 

 leaflets obcordate ; racemes lateral. % . H. Native of Virginia. 

 Hedys. repens, Lin. spec. 1056. Dill. hort. elth. 172. t. 142. 

 f. 9. ex Lin. but Dillenius's plant is a native of the East Indies. 



Creeping Desmodium. PI. creeping. 



* * Mexican species. 



47 D. ALAMA'NI (D. C. prod. 2. p. 330.) stem erect, angular, 

 smoothish, branched ; leaflets ovate, acute, hardly pubescent ; 

 stipulas lanceolate, acuminated, spreadingly reflexed ; racemes 

 terminal ; pedicels twin ; bracteas lanceolate, acuminated, deci- 

 duous ; lower segment of the calyx elongated, 1. G. Native 

 of Mexico. Hedys. geminiflorum, and perhaps Hedys. mucro- 

 natum, Moc. et Sesse, fl. mex. icon. ined. Hedys. Alamani, 

 Spreng. syst. append, p. 291. Flowers purple. Young legume 

 4-5-jointed, rather hoary. 



Alaman's Desmodium. PI. 1 to 3 feet. 



48 D. STIPULA'CEUM (D. C. prod. 2. p. 330.) stem erect, 

 branched, pilose ; leaflets ovate, rather obtuse ; stipulas hori- 

 zontal, obliquely ovate-lanceolate, acuminated, ciliated ; stipels 

 large ; racemes terminal, somewhat panicled. If. . G. Native 

 of Mexico, on the mountains. Hedys. stipulaceum, Moc. et 

 Sesse, fl. mex. icon. ined. Flowers purple. 



J-,arge-stipuled Desmodium. Fl. July, Aug. Clt. 1824. PI. 

 1 to 2 feet. 



49 D. INFRA'CTUM (D. C. prod. 2. p. 330.) stem nearly 

 erect, rather angular, bent at the leaves ; leaflets ovate, acute, 

 puberulous as well as the petioles and peduncles; stipulas 

 ovate, acute ; racemes axillary, simple ; joints of legume 2, 

 semi-orbicular, glabrous. 1. G. Native of Mexico, on the 

 mountains. Hedys. biarticulatum, Moc. et Sesse, fl. mex. icon, 

 ined". but not of Lin. Hedys. infractum, Spreng. syst. append. 

 290. Flowers violaceous. 



.fieni-stemmed Desmodium. PI. 1 to 2 feet. 



50 D. APARI'NES (D. C. prod. 2. p. 330.) stem erect, rough 

 from crowded hairs, which are hooked at the apex ; leaflets 

 oblong, rather pilose, painted with white above and pale beneath ; 

 racemes terminal. I/ . G. Native of Mexico. Hedys. Apa- 

 rines, Link. enum. 2. p. 247. Hedys. ramosum, H. W. no. 

 13789. ex Schlecht. et Cham, in Linnaea. 5. p. 586. Leaflets 

 sometimes roundish. Flowers purple. 



Cleaver Desmodium. Fl. June, Jul. Clt. 1823. PI. 1 to 2 ft. 



51 D. CINE'REUM (D. C. prod. 2. p. 330.) branches clothed 

 p p 2 



