CATALOGUE. 101 
decumbent, a span high, puberulent and somewhat villous or glabrous: 
leaflets 2, ovate to linear, a half to an inch long, mostly acute and ciliate ; 
stipules narrow, auricled downward at base and peltately attached, as also 
the floral bracts, which are closely appressed, ovate to lanceolate, 4 to 6 
lines long, and nearly including the flower: pod small, included in the 
bracts or a little exserted—A variable species, ranging from Arizona and 
New Mexico to Brazil, and also in the East and West Indies; Sanoita 
Valley, Ariz., Rothrock (620). 
DESMODIUM CINERASCENS, Gray (PI. Wright. ii, 48 ).— Perennial, 
decumbent or procumbent, cinereous with soft appressed hairs, the rather 
stout straight stems 2 to 4 feet long: leaflets elliptic-oblong, obtuse at each 
end, an inch or two long, exceeding the petiole, conspicuously marked 
beneath by the white-silky veins: racemes paniculate, many-flowered : 
flowers purple, 3 or 4 lines long, on shorter pedicels: pods 4—-7-jointed, 
nearly equally constricted on both edges, puberulent; joints 2 or 3 lines 
long.—Arizona to Northern Mexico; Sanoita Valley, Ariz., Rothrock (660). 
Desmopium Nro-Mexicanum, Gray (Pl. Wright. i, 53). (D. exiguum, 
Gray, J. c. ii, 46.)—Annual, very slender, erect, a foot or two high or more, 
sometimes procumbent, pubescent with very short spreading and some- 
what glandular hairs, paniculately branched: leaflets 3, linear (or the 
lowermost ovate and shorter), an inch or two long or more, thin and 
reticulated, the narrow petioles an inch long or less: flowers minute (about 
a line long), on very slender, elongated pedicels, purple: pods 1—5-jointed, 
puberulent; joints rounded, reticulated, a line and a half long, the margins 
often undulate-—Var. BiceLovir (D. Bigelovii, Gray, l. ¢. ii, 47). Leaves 
somewhat broader near the base—F rom New Mexico to Arizona and North- 
ern Mexico; in Central Arizona, Loew, 1873, also in Sanoita Valley, Rothrock 
(632, 663), the latter number referable to the variety. 
Desmopium BATocauLon, Gray (Pl. Wright. ii, 47).—Stem elongated, 
procumbent, pubescent and adhesive by hooked hairs: leaflets 3, oblong- 
lanceolate, 1 to 24 inches long, obtuse or acutish, rounded at base, some- 
what pubescent with straight hairs, which are spreading upon the petiole: 
flowers purple, in loose elongated racemes, 3 to 6 lines long, on slender 
pedicels nearly as long; bracts broadly ovate, acuminate, 2 lines long, 
