400 



FABACEAE, 



Vol. II. 



14. Meibomia rhombifolia (Ell.) Vail. Rhomb-leaved Tick-trefoil. Fig. 2589. 



HcJysaniiii rhombifolium Ell. Bot. S. C. & Ga. 2: 216. 



Dcsmudium rhombifolium DC. Prodr. 2: 330. 1825. 

 Dcsmodium ftoridaiuiin Chapm. Fl. loj. i860. 

 Meibomia floridana Kunlze, Rev. den. PI. 198. 1891. 

 M. rhombijolia Vail, Bull. Torr. Club ig : 113. 1892. 



Erect or ascending, 2-3 high or more, uncinate- 

 pubescent, simple or branched. Stipules subulate, 

 taper-pointed ; leaves ovate, often mucronulate, 

 coriaceous, .scabrous above, villous and reticulated 

 beneath, 2'-iY long, the terminal rhomboid, the 

 lateral ones often wanting; racemes terminal, 

 simple or panicled, elongated, usually leafless ; 

 bracts minute, deciduous ; calyx-lobes acute, the 

 upper one 2-toothcd ; loment 2-5-jointed, the joints 

 obliquely semi-rhomboid, rounded on the back, 

 uncinate-pubescent ; stipe often as long as the 

 lowest joint. 



In sandy soil and pine lands, Virginia to Florida, 

 west to Alabama and Louisiana. May-Sept. 



15. Meibomia viridiflora (L.j Kuntze. 

 Velvet-leaved Tick-trefoil. Fig. 2590. 



Hcdysarum viridiflorum L. Sp. PI. 74S. 1753. 

 Dcsmodium viridiflorum Beck, Bot. 84. 1833, 

 Meibomia viridiflora Kuntze, Rev. Gen. PI. 197. 1891. 



Erect, rather stout, downy-pubescent, 2-4 high. 

 Stipules lanceolate, mainly deciduous ; petioles 4'-ii' 

 long ; leaflets broadly ovate, obtuse, rough above, 

 densely velvety-pubescent beneath, i'-3i' long, the 

 terminal one somewhat rhomboid ; racemes com- 

 pound, elongated, terminal, uncinate-pubescent ; 

 bracts deciduous; upper calyx-lobe minutely 2- 

 toothed. the 3 lower ones attenuate ; flowers purple, 

 3"-4" long; loment 2-4-jointed, the joints semi- 

 rhomboid, uncinate, about 2" long ; stipe about 

 equalling the lower lobes of the calyx. 



Dry woods, eastern Pennsylvania and southern New 

 York to Florida, Michigan, Missouri, Arkansas and 

 Texas. Aug.-Oct. 



16. Meibomia Dillenii (Dark) Kuntze. 

 Dillen's Tick-trefoik Fig. 2591. 



Hcdysarum marylandicum Willd. Sp. PI. 3: 1 189. 



1803. Not L. 1753. 

 Dcsnwdiuni Dillenii Darl. Fl. Cest. 414, 1837. 

 Meibomia Dillenii Kuntze, Rev. Gen. PI. 195. 1891. 



Erect, 2-3 high, pubescent with scattered 

 hairs, or nearly glabrous. Stipules subulate, 

 mainly deciduous; petioles i'-2' long: leaflets 

 usually thin, oval or oblong-ovate, obtuse. l'-4' 

 long, i'-il' wide, sparingly pubescent or gla- 

 brous above, softlj- pubescent or villous be- 

 neath ; racemes terminal, compound, loose ; 

 bracts small, deciduous ; upper calyx-lobe entire 

 or minutely 2-toothed, the lower ones slender : 

 flowers 3"-4" long; loment 2-4-jointed, the 

 joints nearly triangular, about 3" long, some- 

 what convex on the back, uncinate-pubescent ; 

 stipe shorter than the calyx-lobes. 



Woods, Maine to Ontario, Minnesota, Alabama, 

 Tennessee, Missouri and Texas. June-Sept. 



