LEGUMINOSjE. 119 DESMODIUM. 



1. D. CaNADE'NSE. Dc. Hedysarura Canadense. L. 



Leaflets oblong-lanceolate, nearly smooth; stipules filiform; bracts ovate, 

 long-acuminate; flowers racemcd; joints of the himcnt obtusely triangular, 

 hispid. Ratlier common in woods. A handsome plant, about 3 t'eet in hight. 

 Stern upright, striate. Leaflets 3 inches long, broadest at base, pointed, near- 

 ly smooth. Flowers purple, at the top of the plant, in axillary and terminal 

 racemes. Bracts long. Pods about 5-joinled. Jl. Per. Bush Trifoil, 



2. D. ROTUNDIFo'lIUM. Do. Hedysarum rotundifolium. L. 



Stem prostrate, hairy; leaflets suborbicular, hairy on both sides; bracts 

 broadly ovate, acuminate; racemes few-flowered ; jo«n<s of the lament sub- 

 rhomboidal. A hairy, prostrate plant, 2 — 3 feet in length, found in rocky 

 woods. Leaves of 3 roundish leaflels, p;ile beneath, 1 or 2 inches in diame- 

 ter, on hairy stalks. Stipules cordate, reflexed, hairy. Flowers purple, ia 

 axillary and terminal racemes. Pods about 6-jointed. Aug. Per. 



Round-leaved Desmodium. 



3. D. CANE'SCENS. Dc. Hedysarum canescens. L. 



Stem erect, branched, striate, scabrous; leaflets ovate, rather obtuse, scab- 

 rous on the upper surface, soft, villous beneatli ; stipules large, oblicjue, acu- 

 Jninate; panic es terminal, very long, densely canescent, naked; joints of the 

 lament triangular ; upper lip of the caUjx nearly entire. An upright, branching 

 plant, with very long panicles of flowers greenish externally, purple within. 

 Stem 3 ft>et high, pubescent. Pods about 4-jointed. Found in woods. Aug. 

 Perennial. Green-flowered Desmodium. 



4. D. PANICULA'tuM. Dc. Hedysarum paniculatum. L. 



Plant erect, smooth; leaflets thin, oblong-lanceolate; stipules subulate; 

 panicle terminal, with long and slender pedicels; bracts lanceolate; joints of 

 the lament rhomboidal. A handsome species, near 3 feet in bight, found in 

 woods. Stem slender, striate. Leaves of 3, smooth, narrow leaflets broadest 

 at the base, tapermg to an obtuse point, about 3 inches in length, with subu- 

 late, deciduous bracts. Pods 4 — 5-jointed, large. Flowers purple, numerous. 

 July. Per. Panicled Desmodium. 



5. D. NUDIFLO'RUM. Dc. Hedysarum nudiflorum. L. 



Leaves ternate, roundish-ovate, acuminate, slightly glaucous beneath ; scape 

 radical, panicled, smooth ; joints of the lament obtusely triangular. Common 

 in woods. It is remarkably distinguished by having its leaves and flowers 

 on separate stalks, often distant from each other. Stem 8 — 10 inches high, 

 with several ternate, long-stalked, smooliiish, terminal leaves. Scape 2 — 3 

 feet long, slender, smooth, leafless, panicled, with many small, purple flowers. 

 August. Per. JS'aked-flawcrcd Desmodium. 



6. D. ACUMINA'tUM. Dc. Hedysarum acuminatum. M. 



Plant erect, simple, pubescent, leafy at top; lea ves ternate, ovaie, long-acu- 

 rainate, the odd leaflet round-rhomboidal ; panicle terminal, on a very long 

 peduncle. Common in woods. Stem 8 — 12 inches high, ending in a slender 

 panicle 1 or 2 feet lon<r. Leaves at the top of the stem and below the panicle. 

 Terminal leaflet roundish, 3 inches in diameter, lateral leaflets smaller, all of 

 them covered with scattered, appressed hairs and conspicuously pointed. 

 Flowers small, flesh-colored. Pod of about 3 triangular joints. July. Aug. 

 Perennial. Pointed Desmodium. 



