LBGUMINOSAE (PULSB FAMILY) 



521 



791. D. illinoeDse. 



D. teeyigatum. 



subcoriaoeous, cinereous beneath, veinsiand vein- 

 lets prominent, strongly reticulated, the lower 

 leaflets nearly equaling the petiole ; pods scarcely 

 over2.5 cm. long, sinuate on both margins (more 

 deeply below). {Meibomia Ktze.) — Dry ground, 

 Lakeside, 0. (Moseley) ; Jackson Co., Mich. 

 ( Wheeler) ; 111. to Neb. , Kan. , and Okla. Fig. 79L 



* * Stem 6-15 dm. high, erect ; stipules and bracts mostly deciduous, small and 

 inconspicuous ; joints of the pod 3-5, triangular or half-rhombic or very 

 unequal-sided and rhomboidal, longer than broad, 6 mm. or less in length ; 

 flowers middle-sized. 



10. D. laevig^tum (Nutt.) DC. Smooth or nearly so throughout; stem 

 straight ; leaflets ovate, bluntish, pale beneath, 5-7.5 cm. long, thin and 

 without prominulous reticulation ; panicles mi- 

 nutely rough-pubescent. {Meibomia Ktze.) — Pine 

 woods, s. N. Y. and N. J. to Fla., Mo., and Tex. 

 Fig. 792. From Va. south w. passing to D. rhom- 

 BiF^LiuM (Ell.) DC, a more pubescent plant, 

 with thickish leaves, the veins 

 prominulous beneatl:^. (^Mei- 

 bomia Vail.) 



11. D. viridiflftrum (L.) 

 Beck. Stem very downy, rough 



at the summit ; leaflets broadly ovate, very obtuse, rough 

 above, whitened with a soft velvety down underneath, 

 5-7.5 cm. long. (Meibomia Ktze.) — Dry open woods, 

 common, s. N. Y. to Fla., Mich., Mo., and Tex. Fig, 

 793. 



12. D. Dillenii Darl. Stem pubescent ; leaflets oblong or oblong-ovate, 

 commonly bluntish, pale beneath, softly and finely pubescent, mostly thin, 5-7.5 

 cm. long. (Meibomia Ktze.) — Open woodlands, centr. Me. 

 to Ont., Minn., and south w. Fig. 794. 



13. D. panicul&tum (L.) DC. Essentially smooth 

 throughout ; stem slender, tall ; leaflets oblong-lanceolate, 



tapering to a blunt 



point, thin, 7.5-12.5 



cm. long ; racemes 



much panicled. (Mei- 

 bomia Ktze.) — Copses, 



s. w. Me. to Ont., 



Minn., and southw. 



Fig. 795. 



Var. angustifblium 



narrower, lanee-linear. 

 culata, var. Ohapmani Britton.) — Va., Ky., and southw. 



Var. pubens T. & G. Stem puberulent ; leaves sparingly pubescent beneath. 

 (Meibomia paniculata, var. Vail.) — N. J. to Kan., and southw. 



14. D. striatum (Hursh) DC. Stem very straight and slender, simple, 

 6-9 dm. high, the upper part and narrow panicle rough- 

 glandular ; leaflets linear, blunt, strongly reticulated, thickish, 

 very smooth, 2.5-5 cm. long, 6 mm. wide ; joints of the 

 pod 1-3, semi-obovate or very gibbous, only 4 mm. long. 

 (Meibomia Ktze.) — Pine woods, N. J. to Fla. and La. 

 Fig. 796. 



798. D. Tiridiflorum. 



795. D. paniculatum. 



D. Dillenii. 



T. & G. Leaflets 

 (Meibomia pani- 



cs. D. strictum. 



* * * Stipules small and inconspicuous, mostly deciduous; pods of few roundis] 

 or obliquely oval or sometimes roundish-rhomboidal joints 3-5 mm. long. 



I- Stems erect; bracts before flowering conspicuous ; racemes densely flowered. 



;.$. p. panadfin^s (L-) DC. Stem hairy, 5-15 dm. high ; leaflets oblonr. 



