140 
.MersBomiA MICcHAUXII. 
Fleysarum rotundifolium Michx. F1. Bor. Am. 2: 72. 1803. 
Not of Vahl, Symb. 2: 81. 1791. 
Desmodium rotundifolium DC. Prodr. 2: 330. 1825. 
Metbomia rotundifolia Kuntze, Rev. Gen. Pl. 197. 1891. 
MEIBOMIA TENUIFOLIA (T. & G.) Kuntze. 
In Bull. Torr. Club, 19: 110, this species, owing to a mistake 
on a written label, was erroneously recorded as having been col- 
lected in Missouri. The label should have read Mississippi. 
MEIBOMIA LONGIFOLIA (T. & G.). 
Perennial, erect, 6 dm.—1 m. high or more; stems stout, 
branched, angled, striate, channelled, uncinate-pubescent mostly 
in lines, sometimes becoming giabrate; stipules ovate-lanceolate, 
cuspidate, persistent or caducous; petioles'1.5—5 cm. long, striate, 
pubescent; stipels 5 mm. long or more, often persisting ; leaflets 
S—-II cm. long, 2.5-5 cm. wide, lanceolate, lanceolate-ovate, or 
ovate, acuminate, slightly rugose or scabrous with few scattered 
hairs and becoming glabrate above, much lighter and appressed- 
pubescent or villous beneath, the terminal leaflet usually much 
larger than the lateral ones; panicles spreading flowers numer- 
ous, showy, about I cm. long on slender spreading uncinate- 
pubescent pedicels; bracts 5-10 mm. long, ovate or ovate-lanceo- 
late, striate, ciliate, caducous; calyx 3 mm. long, the lobes attenu- 
ate, the upper one 2-toothed, the others somewhat longer; corolla 
lilac-purple, showy ; legume 4-6-jointed, 3.5—-6 cm. long, uncinate- 
pubescent, straight or somewhat rounded and angled on the 
dorsal suture, deeply triangular on the ventral, or nearly equally 
sinuate above and below, the 8-10 mm. long, reticulated joints 
almost lozenge-shaped; stipe about the length of the calyx-lobes. 
June—September. 
A characteristic species with the habit, leaf-form and legume 
of MV. bracteosa and the pubescence of M. Canadensis and appear- 
ing as if intermediate between the two. The type specimen is 
without mature fruit. 
Original locality, Arkansas. Type in Herb. Columbia Uni- 
versity. 
Distrisution. Illinois (Mead); Missouri (Bush, without fruit) ? 
Kansas (Carleton); Arkansas (Nuttall); Louisiana (Hale); Ala- 
bama (Rugel). 7 
Synonymy. Desmodium Canadense var. longifolium T.& G. Fl. 
N. Am. 1: -365. 1838. 
