290 



LEGUMINOS^E. CLV. DESMODIUM. 



rica. Hedys. velutinum, Willd. spec. 3. p. 1174. Flowers 

 small, violet. Perhaps a species of Urtiria. 

 Velvety Desmodium. Shrub 2 to 3 feet. 



23 D. LATIFOLIUM (D. C. prod. 2. p. 328.) stems shrubby, 

 terete, when young clothed with rufous velvety down, but at 

 length becoming smooth ; leaves broad, ovate, rather cordate, 

 mucronulate, and repand, clothed with velvety villi on both 

 surfaces ; stipulas cordate at the base, cuspidate ; racemes ter- 

 minal and axillary ; legume hairy, with 3-5 semi-orbicular joints. 

 Tj . S. Native of the East Indies and China. Hedys. latifo- 

 lium, Roxb. hort. beng. p. 57. Ker. bot. reg. 356. Horn. hort. 

 hafn. suppl. 152. Roth. nov. spec. 355. Pluk. aim. 432. f. 3. 1 

 Flowers purple. 



Broad-leafletted Desmodium. Fl. Aug. Clt. 1818. Sh. 3 ft. 



24 D. LASIOCA'RPUM (D. C. prod. 2. p. 328.) villous in every 

 part ; stem shrubby, terete, when young clothed with rufous vel- 

 vety down, but glabrous in the adult state ; leaves broad, ovate- 

 lanceolate, mucronulate, rather repand, clothed with velvety 

 villi on both surfaces ; stipulas subulate, hairy ; racemes long, 

 spike-formed, terminal, and axillary, forming a panicle ; legumes 

 hispid, with 3-4 semi-orbicular joints. \i . S. Native of Africa, 

 in the kingdoms of Waree and Benin, and plentiful in the island 

 of St. Thomas in the gulf of Guinea. Hedys. lasiocarptim, 

 Beauv. fl. d'ow. 1. p. 32. t. 18. Poir. suppl. 5. p. 15. Hedys. 

 deltoideum, Poir. suppl. 5. p. 15. Flowers small, red. 



Woolly-fruited Desmodium. Fl. June, Aug. Clt. 1823. 

 Shrub 3 to 6 feet. 



25 D. ELA'TUM (H. B. et Kunth, nov. gen. amer. 6. p. 527.) 

 stem erect, shrubby, and is, as well as the petioles, clothed with 

 stiff hairs ; leaves ovate, obtuse, pilose on both surfaces, very 

 soft beneath, and glaucescent ; racemes panicled : legumes hairy. 



J? . S. Native of New Andalusia, near Caripe. Flowers purple. 

 Allied to D. aspera. 



Tall Desmodium. Shrub 3 to 6 feet. 



2. Trifoliata (the plants contained in this division have tri- 

 foliate leaves). Leaves pinnately trifoliate, the terminal leaflet 

 the largest. This section contains a great number of species 

 which are very nearly allied to each other, but which are very 

 difficult to extricate, or to place into any kind of order, and there- 

 Jore they are here arranged geographically, 



* Boreali- Americana (the species contained in this division 

 are all natives of North America). Hedysari species foliis terna- 

 tis, Michx. jl. bor. amer. 2, p. 72. Pursh. Jl. amer. sept. 2. p. 

 482. Nutt. gen. amer. 2. p. 108. 



26 D. CANADE'NSE (D. C. prod. 2. p. 328.) stem erect, rather 

 pilose and striated ; leaflets oblong-lanceolate, smoothish ; sti- 

 pulas filiform ; racemes terminal ; joints of legume 4-5, oval, 

 bluntly triangular, hispid from short hairs. If.. H. Native of 

 North America, in sandy fields and woods ; plentiful throughout 

 Canada. Hedys. Canadense, Lin. spec. 1054. Hedys. scabrum, 

 Moench, Corn. can. 45. with a figure. Moris, oxon. sect. 2. t. 

 1 1 . f. 9. Flowers reddish purple, in simple or panicled, lateral 

 or terminal racemes. Bracteas lanceolate. 



Canadian Desmodium. Fl. Jul. Aug. Clt. 1640. PL 4 to 6 ft. 



27 D. CANE'SCENS (D. C. prod. 2. p. 328.) stem erect, an- 

 gular, ciliated, hispid ; leaflets ovate-roundish, canescent from 

 adpressed hairs beneath ; stipulas ovate ; racemes panicled ; 

 bracteas cordate ; joints of legume ovate-triangular, hispid. 

 7/ . H. Native of Virginia and Carolina. Hedys. canescens, 

 Lin. spec. 1054. but not of Mill. Hedys. scaberrimum, Ell. 

 sketch. 2. p. 217. ? Pluk. aim. t. 308. f. 5. Flowers pale 

 purple, middle-sized. 



Par. (3, paleaceum (D. C. 1. c.) racemes almost simple. I/ . H. 

 Native of Virginia. Hedys. paleaceum, Poir. diet. 6. p. 418. 

 Canescent Desmodium. Fl. July, Aug. Clt. 1733. PL 3 to 4 ft. 



28 D. MARYLA'NDICUM (D. C. prod. 2. p. 328.) stem erect, 

 pilose, branched ; leaflets oblong, villous beneath ; stipulas subu- 

 late ; racemes panicled ; joints of legume 3, rhomboid, reticu- 

 lated, and rather pilose. I/. H. Native of North America, 

 from New York to Carolina. We have seen this plant growing 

 in great plenty in dry sandy woods near New York and in Long 

 Island. Hedys. Marylandicum, Lin. spec. 1055. Dill. hort. 

 elth. t. 174. f. 171. Flowers pale purple, fading to blue, the 

 vexillum having a green spot at the base. 



Maryland Desmodium. Fl. July, Oct. Clt. 1725. PL 2 feet. 



29 D. OBTU'SUM (D. C. prod. 2. p. 329.) stem erect, pubes- 

 cent ; leaflets ovate, obtuse, somewhat cordate at the base : sti- 

 pulas lanceolate-subulate ; panicle terminal ; joints of legume 

 semi-orbicular, reticulated, and hispid. 1. H. Native from 

 Pennsylvania to Virginia, in woods and fields, and in dried up 

 marshes. Hedys. obtusum, Muhl. in Willd. Hedys. coriaceum, 

 Poir. diet. 6. p. 418.? Flowers violaceous. 



Obtuse-leafictted. Desmodium. Fl. July, Aug. Clt. 1805. 

 PL 2 feet. 



30 D. CILIA'RE (D. C. prod. 2. p. 329.) stem erect, rather 

 pilose, slender ; leaves approximate, on very short petioles ; leaf- 

 lets small, oval, obtuse ; stipulas subulate ; racemes axillary, 

 and terminal, panicled ; joints of legume oval, hispid. If. . H. 

 Native about New York and Philadelphia. Hedys. ciliare, Nutt. 

 gen. amer. 2. p. 109. Flowers small, violaceous. 



Ciliated Desmodium. Fl. July, Aug. Clt. 1823. PL 1 to 2 ft. 



31 D. VIRIDIFLORUM (D. C. prod. 2. p. 329.) stem erect, 

 branched, pubescent ; leaflets ovate-oblong, scabrous beneath ; 

 stipulas lanceolate, cuspidate ; racemes panicled, bracteate ; 

 joints of legume oval, rough. l/.H. Native from New Jersey 

 to Carolina, and of Upper Louisiana, in woods and in waste 

 fields. Hedys. viridiflorum, Lin. spec. 1055. but not of Burm. 

 Pluk. aim. t. 308. f. 5. Flowers reddish purple, but at length 

 becoming greenish. 



Grecnish-Jtomered Desmodium. Fl. July, Sept. Clt. 1787. 

 PL 3 feet. 



32 D. L.KVIGA'TUM (D. C. prod. 2. p. 329.) stem simple, erect, 

 glabrous, and rather glaucous ; leaves quite glabrous, on long 

 petioles ; leaflets ovate, acute ; stipulas subulate ; panicle ter- 

 minal ; flowers twin, on long pedicels ; bracteas ovate, acute, 

 shorter than the flower-buds ; lower segment of calyx elongated. 

 T.H. Native of the State of New York, in woods. Hedys. 

 Isevigatum, Nutt. gen. amer. 2. p. 109. Flowers purple. Le- 

 gume unknown. Allied to the following species. 



Smooth Desmodium. PL 2 to 3 feet. 



33 D. BRACTEOSUM (D. C. prod. 2. p. 329.) stem erect, gla- 

 brous ; leaflets oblong-oval, acuminated, glabrous ; stipulas su- 

 bulate; racemes terminal, few-flowered ; bracteas ovate, acu- 

 minated, striated, glabrous ; joints of legume nearly oval. If.. 

 H. Native of Pennsylvania and the western parts of Virginia. 

 Hedys. bracteosum, Michx. fl. bor. amer. 2. p. 73. Pursh, fl. 

 amer. sept. 2. p. 482. Flowers largish, purple. 



Far. p, cuspidatum (D. C. 1. c.) leaves with scabrous margins ; 

 stipulas ovate-lanceolate ; joints of legume ovate, reticulated, 

 glabrous, but with pubescent margins. Tf.. H. Native of 

 shady woods. Hedys. cuspidatum, Willd. spec. 3. p. 1198. 

 Pursh, 1. c. Said by Nuttall to be hardly a variety of D. brac- 

 teosum. 



Large-bracted Desmodium. Fl. July, Aug. Clt. 1806. PI. 

 1 to 2 feet. 



34 D. GLABE'LLUM (D. C. prod. 2. p. 329.) stem erect, gla- 

 brous ; leaflets ovate, obtuse, rather glaucous beneath ; stipulas 

 small, subulate ; panicle terminal ; joints of legume triangularly- 

 rhomboid. I/ . H. Native from Virginia to Carolina, in woods 

 and fields. Hedys. glabellum, Michx. fl. bor. amer. 2. p. 73. 

 Flowers small, purple. Perhaps the same as D. paniculatum 



