400 



FABACEAE. 



VOL. II. 



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



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



1824. 



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

 Desmodium floridanum Chapm. Fl. 102. 1860. 

 Meibomia floridana Kuntze, Rev. Gen. PI. 198. 1891. 

 M. rhombifolia Vail, Bull. Torr. Club 19: 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'-$%' 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-toothed; loment 2~5-j ointed, 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.) Kuntze. 

 Velvet-leaved Tick-trefoil. Fig. 259x3. 



Hedysarum viridiflorum L. Sp. PI. 748. 1753. 

 Desmodium 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 i'-i \' 

 long; leaflets broadly ovate, obtuse, rough above, 

 densely velvety-pubescent beneath, i'-3$' 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 (Darl.) Kuntze. 

 Dillen's Tick-trefoil. Fig. 2591. 



Hedysarum marylandicum Willd. Sp. PI. 3: 1189. 



1803. Not L. 1753. 



Desmodium Dillenii Darl. Fl. Cest. 414. 1837. 

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



Erect, 2-3 high, pubescent with scattered 

 hairs, or nearly glabrous. Stipules subulate, 

 mainly deciduous; petioles i'-z' long; leaflets 

 usually thin, oval or oblong-ovate, obtuse, ii'-4' 

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

 brous above, softly 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-j ointed, 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. 



