318 PAPILIONACEAE. [Vor. IT. 
13. Meibomia paniculata (L.) Kuntze. Panicled Tick-trefoil. (Fig. 2182.) 
Hedysarum paniculatum 1. Sp. Pl. 749. —1753- 
Desmodium paniculatum DC. Prodr. 2: 329. 1825. 
Meibomia paniculata Kuntze, Rev. Gen. Pl. 198. 1891. 
Erect, slender, nearly glabrous, 2°-4° high. Stipules 
small, subulate, mainly deciduous; leaves petioled; 
leaflets oblong-lanceolate or linear-lanceolate, obtuse, 
1/-2/ long; racemes terminal, compound; bracts decid- 
uous; upper calyx-lobe deeply 2-toothed, the 3 
lower ones attenuate, with the middle one elongated; 
flowers purple, 3-4’ long; loment 1’ long or more, 
4-6-jointed, the joints obliquely triangular or rhomboid, 
minutely uncinate-pubescent; stipe nearly equalling 
the lower lobes of the calyx. 
In dry soil, Ontario to Minnesota, south to Massachusetts, 
Florida and Texas. July-Sept. 
Meibomia paniculata Chapmani Britton, Mem. Torr. Club, 
5: 204. 1894. 
Desmodium paniculatum var. angustifolium T, & G. FI. 
N. A. 1: 364. 1838. 
Meibomia angustifolia Kearney, Bull. Torr, Club, 21: 481. 
1894. Not Kuntze, 18q1. 
More slender, leaflets linear. Intermediate forms also 
occur. In dry, sandy soil, Virginia to Florida, west to 
Kentucky and Texas, 
Meibomia paniculata pubens (‘T. & G.) Vail, Bull. Torr. Club, 19: 112. 1892. 
Desmodium paniculatum var. pubens 'T. & G. Fl. N. A. I: 364. 1838. 
Desmodium pubens Young, Fl. Texas, 233. 1873. 
Stems puberulent; leaflets coriaceous when old, oblong- 
lanceolate, sometimes scabrous above, pubescent beneath; 
loment-joints strongly angled on the back. In dry sandy 
soil, Virginia to Florida, the Indian Territory, and Texas. 
14. Meibomia laevigata (Nutt. ) Kuntze. 
Smooth Tick-trefoil. (Fig. 2183. ) 
Hedysarum laevigatum Nutt. Gen, 2: 109. 1818. 
Desmodium laevigatum DC. Prodr, 2: 329. 1825. 
Meibomia laevigata Kuntze, Rey. Gen. Pl. 198. 1891. 
Erect or ascending, 2°-4° high, glabrous. Stipules 
subulate, deciduous; petioles 1/-2/ long, leaflets ovate, 
acutish, somewhat glaucous beneath, the terminal one 
larger than the lateral and more or less rhomboid; ra- 
cemes terminal, compound, slightly pubescent; bracts 
deciduous; calyx scabrous, the upper lobe entire or mi- 
nutely 2-toothed, the 3 lower attenuate; flowers pink, 5//— 
6’’ long; loment 3-4-jointed, the joints triangular, angled 
on the back, uncinate-pubescent; stipe 2’/-3’’ long. 
In dry woods, southern New York to Florida, Missouri 
and Texas. Stem terete, glaucous. Aug.—Sept. 
15. Meibomia rhombifolia ( Ell.) Vail. 
Rhomb-leaved Tick-trefoil. (Fig. 2184.) 
Hedysarum rhombifolium El. Bot. S. C. & Ga. 2: 216. 
1824. 
Desmodium rhombifolium DC. Prodr. 2: 330. 1825. 
Desmodium Floridanum Chapm. FI. 102. 1860. 
Meibomia Floridana Kuntze, Rev. Gen. Pl. 198. _ 1891. 
M. rhombtfolia 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, cori- 
aceous, scabrous above, villous and reticulated be- 
neath, 2’-314’ long, the terminal rhomboid, the lat- 
eral 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-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 and Florida, 
west to Alabama and Louisiana. May-Sept. 
