Vor. II.] PEA FAMILY. 319 
16. Meibomia viridiflora (I.) Kuntze. 
Velvet-leaved Tick-trefoil. (Fig. 2185.) 
Hedysarum viridifiorum \,. Sp. Pl. 748. 1753. 
Desmodium viridifiorum Beck, Bot. 84. 1833. 
ica viridifiora Kuntze, Rev. Gen. Pl. 197. 
1891. 
Erect, rather stout, downy-pubescent, 2°-4° 
high. Stipules lanceolate, mainly deciduous; pet- 
oles 14/-114’ long; leaflets broadly ovate, rough 
above, densely velvety-pubescent beneath, 1/-3 4’ 
long, the terminal one somewhat rhomboid; ra- 
cemes compound, 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, west to Michigan, Missouri and 
Texas. Aug.—Oct. 
(2 * y) 
fF Y 
(rs) 
17. Meibomia Dilleénii ( Darl.) Kuntze. 
Dillen’s Tick-trefoil. (Fig. 2186. ) 
Hedysarum Marylandicum Willd. Sp. Pl. 3: 1189. 
1803. Not L. 1753. 
Desmodium Dilleniz Darl. F1. Cest. 414. 1837. 
Metbomia Dillenti Kuntze, Rev. Gen, Pl. 195. 1891. 
Erect, 2°-3° high, pubescent with scattered 
hairs, or nearly glabrous. Stipules subulate, 
mainly deciduous; petioles 1/—2/ long; leaflets 
usually thin, oval or oblong-ovate, obtuse, 1%4/— 
4 long, %/-1'4’ wide, sparingly pubescent or 
glabrous 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; flow- 
ers 3/’-4/’ long; loment 2-4-jointed, the joints 
nearly triangular, about 3/’ long, somewhat con- 
vex on the back, uncinate-pubescent; stipe 
shorter than the calyx-lobes. 
Woods, Maine and Ontario to Minnesota, Virginia, 
F Kentucky, Missouriand Texas. Variable. June-Sept. 
0 
al 
SPS, 
t} 
\ 
18. Meibomia Illinoénsis (A. Gray) 
Kuntze. Illinois Tick-trefoil. (Fig.2187. ) ‘ RS 
Desmodium Illinoense A. Gray, Proc. Am. Acad. Nien Nh Ni 
8: 289. 1870. \ 
Meibomia Illinoensis Kuntze, Rev. Gen. Pl. 108. \ 
1891. 
Erect, stout, 2°-4° high, uncinate-pubescent. 
Stipules ovate, acute, cordate, ciliate, pubescent, 
persistent; petioles 1/-2’ long; leaflets lancco- 
late or ovate-lanceolate, obtusish, coriaceous, 
scabrous above, strongly reticulate veined and 
cinereous beneath, 2’-314’ long, the terminal 
one broader and longer than the lateral; ra- 
cemes terminal, simple or compound; bracts 
deciduous, ovate-lanceolate; calyx-lobes acute, 
the upper one minutely 2-toothed; flowers 3//— 
4’ long; loments }4/-1’ long, often in pairs, 3— 
6jointed, the joints oval or orbicular, densely 
uncinate-pubescent; stipe not longer than the 
short upper lobe of the calyx. 
Prairies, Nebraska and Illinois to Iowa and 
Kansas. June-Sept. 
