CATALOGUE. 109 
oblong or oblong-obovate, 2 or 3 lines long, rounded or truncate above, 
narrower at base, rather thick and with 2 or 3 straight nerves: flowers in 
cylindrical spikes an inch or two long, the peduncles equalling or exceed- 
ing the leaves: pods thin-coriaceous, flat, 3 or 4 inches long by 5 to 7 lines 
broad, shortly stipitate, acute, curved, glabrous and reticulated, more or 
less constricted between the seeds: seeds half an inch long—From Western 
Texas to Southern California; collected in Western Arizona, 1872. 
Acacia consrricta, Benth. (Gray, Pl. Wright. i, 66)—A shrub 5 
to 8 feet high, puberulent or nearly glabrous, somewhat glutinous, more or 
less armed with nearly straight slender stipular spines, 3 or 4 lines long 
or less: pinnz 2 to 7 pairs; leaflets 6 to 10 pairs, narrowly oblong, obtuse, 1 to 
14 lines long: peduncles solitary, shorter than the leaves, bracteate in the mid- 
dle: head globose, 3 or 4 lines in diameter in flower : pods stipitate, narrowly 
linear, 2 to 4 inches long, curved, glabrous, flat, contracted between the dis- 
tant seeds—From Western Texas to Arizona and southward; collected at 
Cottonwood, Cienega, and in the Gila Valley, Ariz, Rothrock (322, 553). 
Acacia rFiuicina, Willd. (A. hirta, Nutt. A. Texensis, Torr. & Gray. 
A. cuspidata, Schlecht. A. Hartwegi, Benth.; &c.)—A shrub 1 to 5 feet high, 
erect, pilose-hirsute or glabrate, unarmed: pinne 4 to 20 pairs, a half to 
two inches long; leaflets 10 to 60 pairs, linear or linear-oblong, acute or 
obtusish, 14 to 3 lines long: heads globose, rather few-flowered, on slender 
peduncles a half to an inch long, mostly paniculate: flowers pedicellate: 
calyx very short: corolla greenish, a line long: stamens pale yellow, rarely 
pinkish: pods stipitate, 1 to 3 inches long, 3 to 5 lines broad, flat, straight, 
with thin valves and nerve-like margins, 3-8-seeded.—Arkansas to Arizona 
and southward to Central America; in Western Arizona, 1872, and at Rocky 
Canon, Rothrock (300). 
Cauuianpra* numiLis, Benth. (Lond. Journ. Bot. v, 103). (C. 
herbacea, KXngelm. in Gray, Pl. Fendl. 39.)—A span high or less, nearly 
herbaceous, ascending from an elongated woody root, pilose or sometimes 
ALLIANDRA, Benth.—Flowers polygamous. Calyx campanulate, 5—6-toothed or cleft, valvate. 
Petals united to the middle, valvate. Stamens usually numerous, connate below into a tube, long- 
exserted, red or white; anthers minute; pollen in 2 or 4 masses in each cell. Style filiform. Pod linear, 
straight or nearly so, narrowed at base, compressed, the valves separating elastically from the apex 
downward.—Shrubby or woody only at base, mostly unarmed; leaves bipinnate id small leaflets (in 
our eee flowers in globose heads on axillary simple or racemose peduncles—Brntu. & Hook. 
Gen. PI. i, 5! 
