320 PAPILIONACEAE. (Vou. II. 
19. Meibomia Canadénsis (I,.) Kuntze. Canadian or Showy Tick-trefoil. 
CHEREIW IEG ee Fig. 2188.) 
WUE GF ( 
BST ois ie = ON 
Hedysarum Canadense \,. Sp. Pl. 748. 1753. 
Desmodium Canadense DC. Prodr. 2: 328. 1825. 
ee Canadensis Kuntze, Rev. Gen. Pl. 195. 
1891. 
Erect, stout, pubescent, 2°-8° high. Stipules 
linear-lanceolate, mostly persistent; lower peti- 
oles 4’-1/ long, the upper leaves nearly sessile; 
leaflets oblong or lanceolate-oblong, obtuse, gla- 
brous or roughish above, appressed-pubescent 
beneath; racemes terminal, densely panicled; 
flowers large, 5’/-8’’ long, conspicuous, pur- 
ple or bluish-purple; bracts ovate-lanceolate, 
acute, ciliate, at length deciduous; calyx-lobes 
attenuate, the upper 2-toothed, the lower ones 
elongated; loment nearly sessile in the calyx, 
about 1’ long, 3-5-jointed ; joints triangular, 
straight or convex on back, uncinate-pubescent. 
Thickets and river-banks, New Brunswick to 
Manitoba and Dakota, south to North Carolina, 
Missouri and the Indian Territory. Our most showy- 
flowered species. July-Sept. 
20. Meibomia rigida (Ell.) Kuntze. 
Rigid Tick-trefoil. (Fig. 2189.) 
Hedysarum rigidum Fl, Bot. S. C. and Ga, 2: 
215. 1824. 
Desmodium rigidum DC. Prodr. 2: 330. 1825. 
Metbomia rigida Kuntze, Rev. Gen. Pl. 198. 1891. 
Erect, rather rigid, finely uncinate-pubes- 
cent, 2°-3° high. Stipules small, lanceolate, 
deciduous; leaves petioled; leaflets ovate or 
oval, obtuse, thickish, scabrous above, pubes- 
cent, especially along the veins beneath, 1/—2/ 
long; racemes terminal, compound; flowers 
very small, 1’’-2’’ long, purplish; upper lobe of 
the calyx entire or minutely 2-toothed, the 3 
lower ones slender; loment sessile in the calyx, 
I-3-jointed, the joints obliquely ovate, rounded 
on the back, uncinate-pubescent, about 114// 
long. 
In dry soil, Massachusetts to Florida, west to 
Michigan, Nebraska and Louisiana. July-Oct. 
21. Meibomia Marylandica (I,.) Kuntze. 
Smooth Small-leaved Tick-trefoil. (Fig. 2190. ) 
Hedysarum Marylandicum 1. Sp. Pl. 748. 1753. 
Desmodium Marylandicum Boott.; Darl. Fl. Cestr. 412. 
1837. 
Meibomia Marylandica Kuntze, Rev. Gen. Pl. 198. 1891. 
Erect or ascending, glabrous, rarely with a few 
scattered hairs, 2°-3° high. Stipules subulate, decid- 
uous or persistent; petioles 3/’-6’’ long; leaves 
crowded; leaflets 3/’-12’’ long, ovate or nearly orbi- 
cular, obtuse, glabrous on both sides, the lateral often 
subcordate; upper lobe of the calyx emarginate or mi- 
nutely 2-toothed; racemes panicled; corolla purplish, 
very small, 1//-2’’ long; loment sessile in the calyx 
or nearly so, 1-3-jointed, the joints small, obliquely 
oval or semi-orbicular. 
In dry soil and in copses, Ontario to Massachusetts, 
Florida, Michigan and Louisiana. July—Sept. 
