308 Order 46.— LEGUMINOSJ3. 



4 D. acuminatum DC. Plant erect, simple, pubescent, leafy only at top ; lfts. 

 ovate, long-acuminate, the odd o:;o round-rhotnboidal; pan. terminal, on a very 

 long peduncle. — Common in woods, U. S. and Can. St. 8 to 12' high, ending ia 

 a slender panicle 1 or 2f long. Lvs. at the top of the stem and below the panicle ; 

 terminal 1ft. roundish, 3' diam. ; lateral lfts. smaller, all of them covered with 

 scattered, appressed hairs, and conspicuously pointed. Fls. small, flesh-colored. 

 Pods cf about 3 triangular joints. JL, Aug. 



5 D. pauciflorum DC. St. assurgent, leafy all the way, retrorsely hairy ; lfts. 

 membranous, pale beneath, scabrous-pubescent above, terminal one rhomboidal, 

 lateral ones inequilateral-ovate, all rather acute or subacuminate ; rac. terminal, 

 few-flowered ; Hi. in pairs ; petals all distinct, spreading. — "Woods, Penn. to 111. 

 and La. Rt. creeping, tubercular. Sts. often clustered, If high. Petioles 2 to 

 3' ling. Lfts. 1 to 3' long, § to ^ as wide. Fls. 2 to G, white or purplish. Leg. 

 of 2 to 3 obtusely triangular joints. JL, Aug. 



S5 D. pardculatum DC. Erect, slender, 'nearly glabrous; lfts. oblong-lanceolate, 

 obtuse; .slip, subulate, deciduous; fla on long (4 to 5") and slender pedicels in 

 parucL-d racemes; loment of about 3 triangular joints. — A handsome species, 

 near 3f in hight, found in woods, U. S. and Can. St. striate, 2 to 3f high. Lvs. 

 of 3 smooth, r.arrow-ovate lfts., broadest at the base, ending with an obtuse 

 point, 1 to 3' in length. Pods about 3 to 5-jointed, largo. Fls. purple, numerous. 

 JL, Aug. 



7 D. viridifioruin Beck. St. erect, densely pubescent and scabrous abev? ; lfts. 

 ovate, mostly obtuse, scabrous above, softly Villous beneath ; slip, ovate-lanceolate, 

 acuminate, caducous; panicles very long, leafless; lower tooth of the hairy calyx 

 thrice longer than the upper; leg. of 3 to 4 triangular joints. — Alluvial soils, N. 

 Y, to Fla. and La. St. 3 to 4f high, rigid, branched. Lfts. 2 to 3' long. Corolla 

 violet, turning green in withering. Leg. 1 to 2' long. 



8 D. IcOvigiltum DC. Glabrous or nearly so ; st. simple, erect; lvs. on long pe- 

 tioles, lfts. ovate, rather obtuse; pan. terminal, nearly simple; fls. in pairs, on 

 elongated pedicels; bracts ovate, very small; lower calyx tooth twice longer than 

 the upper. — Woods, N. J., Harper's Ferry, and southward. The smoothest of our 

 Desmodia, 2 to 3f high. Llts. rather coriaceous, 1 to 3' long, -§ as wide. Pedi- 

 cels 5 to S" long. Fli purple. Joints of the loment 2 to 4, half rhombic. Sept. 



/3. moxophtllum. Dwarf; smaller in all its parts; very smooth; low^r lvs. 

 unifoliate; rac. simple. — Uxbridge, Mass. (Ricard.) 



9 D. glabellum DC. St. erect, smoothish ; lfts. ovate, small, scabrous-pubescent 

 both sides; stip. subulate; lower tooth of the calyx twice longer than the upper 

 entire one ; loment nearly straight on the back, with about 4 haif rhombic joints. 

 — In shades, Car. (Ell. Curtis). Aug., Sept. 



10 D. cuspiditum Torr. & Gr. Erect, smooth ; lfts. oblong-oval, or ovate, sharply 

 acuminate ; stip. lanceolate-subulate ; rac. paniculate, terminal, large, with scat- 

 tered fls. ; bracts deciduous, ovate, acuminate, striate, smooth ; joints of the loment 

 suboval. — A larger species than either of the preceding, found in woods, U . S. and 

 Can. St. branching, erect. 4 to 5f high. Lfts. 3' long, widest at base, smooth, 

 entire. Stip. and bracts 8 or 9" long. Stipels subulate. Fls. large (8" long), 

 purple. Pods in about 6 joints, long, pendulous, rough. Aug. (D. bracteo- 

 Bum DC.) 



11 D. canescens DC. St. striate, scabrous ; lfts. ovate, rather obtuse, scabrous on 

 the upper surface, soft-vilhus beneath; stip. large, oblique, acuminate; pan. ter- 

 minal, very long, densely canescent, naked ; joints of the loment obliquely oval ; 

 upper lip of the calyx nearly entire. — Woods, N. Eng. to Fla. and La. An up- 

 right, branching plant, with very long panicles of flowers, greenish externally, 

 purple within. St. 3f high, pubescent. Pods about 4-joiuted, most constricted 

 on the lower side. JL, Aug. (D. Aikinianum Beck.) 



12 D. Canadense DC. St. pubescent; lfts. oblong-lanceolate; obtuse, nearly 

 smooth; stip. filiform ; bracts ovate, long-acuminate; fls. raeemed; joints of the 

 loment obtusely triangular, hispid. — Rather common in woods, Can., Penn. and 

 Ind. A handsome plant 3f in height. St. upright striate. Lfts. 2 to 3' long, 1' 

 wide, with C pairs of straightish veins. Fls. purple, about as large as in No. 10, 



