8. D. cuspidàtum, Torr. & Gray. _Very smooth_ except the panicle; stem straight; _leaflets lanceolate-ovate and taper-pointed_, green both sides, longer than the petiole (3--5´); joints of the pod rhomboid-oblong, smoothish.--Thickets, common. The conspicuous bracts and stipules ¾´ long. [+][+] _Pods of 3--5 oval joints (not over 3´´ long)._ 9. D. Illinoénse, Gray. Erect (3--5° high); stem and leaves with short rough pubescence; leaflets ovate-oblong or ovate-lanceolate (2--4´ long), obtuse, subcoriaceous, cinereous beneath, veins and veinlets prominent, strongly reticulated, the lower leaflets nearly equalling the petiole; pods scarcely over 1´ long, sinuate on both margins (deeper below).--Dry ground, Ill. to Iowa and Kan. [*][*] _Stems (2--5° high) erect; stipules and bracts mostly deciduous, small and inconspicuous; joints of the pod 3--5, triangular or half-rhombic or very unequal-sided rhomboidal, longer than broad, 3´´ or less in length; flowers middle-sized._ 10. D. lævigàtum, DC. _Smooth_ or nearly so throughout; stem straight; _leaflets ovate_, bluntish, pale beneath (2--3´ long); panicles minutely rough-pubescent.--Pine woods, N. J. to Fla., west to Mo. and Tex. 11. D. viridiflòrum, Beck. Stem _very downy_, rough at the summit; _leaflets broadly ovate_, very obtuse, rough above, _whitened with a soft velvety down underneath_ (2--3´ long).--Southern N. Y. to N. J. and Fla., west to Mich., Mo., and Tex. 12. D. Dillènii, Darlingt. Stem pubescent; _leaflets oblong or oblong-ovate_, commonly bluntish, pale beneath, _softly and finely pubescent_, mostly thin (2--3´ long).--Open woodlands, common. 13. D. paniculàtum, DC. _Nearly smooth_ throughout; stem slender, tall; _leaflets oblong-lanceolate, or narrowly lanceolate, tapering to a blunt point, thin_ (3--5´ long); racemes much panicled.--Copses, common. 14. D. stríctum, DC. Stem very straight and slender, simple (2--3° high), the upper part and narrow panicle rough-glandular; _leaflets linear, blunt, strongly reticulated, thickish, very smooth_ (1--2´ long, ¼´ wide); joints of the pod 1--3, semi-obovate or very gibbous (only 2´´ long).--Pine woods, N. J. to Fla. and La. [*][*][*] _Stipules small and inconspicuous, mostly deciduous; pods of few roundish or obliquely oval or sometimes roundish-rhomboidal joints, 1½--2½´´ long._ [+] _Stems erect; bracts before flowering conspicuous; racemes densely flowered._ 15. D. Canadénse, DC. Stem hairy (3--6° high); _leaflets oblong-lanceolate_ or ovate-lanceolate, obtuse, with numerous straightish veins, _much longer than the petiole_ (1½--3´ long); _flowers showy_, larger than in any other species (½--{1/3}´ long).--Dry rich woods, N. Brunswick to N. C., Minn., and Kan.