56 NORTH AMERICAN FLORA [VoLumE 21 
staminate glomerules in slender, dense or interrupted, terminal spikes 1-5 cm. long, the 
pistillate flowers in few-flowered axillary clusters; calyx 5-cleft, the lobes with green herbaceous 
keels; fruiting bracts subsessile, suborbicular, united at the base, compressed, 4-5 mm. long, 
the free herbaceous margins deeply and acutely dentate, the terminal tooth oval or oblong, 
obtuse or acute, longer than the lateral ones, the sides not appendaged or obscurely and 
minutely tuberculate. 
Type LocaLity: Western Cuba. 
DISTRIBUTION: Known only from the type locality. 
52. Atriplex Wardii Standley, sp. nov. 
Erect annual, 1.5-2 dm. high, much branched, the branches stout, obtusely angled, 
ascending, furfuraceous; leaves alternate, sessile or subsessile, the blades oblong, 1-2 cm. long, 
2-5 mm. wide, obtuse or acutish at the apex, mucronate, cuneate at the base, entire, thin, 
densely white-furfuraceous beneath, glabrate on the upper surface; flowers monoecious, the 
staminate glomerules in short dense naked terminal spikes, the pistillate flowers densely 
fascicled in the axils; calyx 5-cleft; fruiting bracts sessile, broadly cuneate-obovate, 2-2.5 mm. 
long, 1.5-2 mm. broad, compressed, united to above the middle, thin, even in age, the apex 
acutish, the free margins obscurely denticulate, the sides reticulate-veined, not appendaged; 
seed brown, 1 mm. long, the radicle superior. 
Type collected near Galveston, Texas, September 16, 1877, L. F. Word (U.S. Nat. Herb. xo. 
148785). 
53. Atriplex pueblensis Standley, sp. nov. 
Procumbent annual, much branched, the branches slender, obtusely angled, furfuraceous, 
tinged with red; leaves numerous, alternate, short-petiolate or sessile, the blades oval to 
oblong or narrowly oblong, 7-15 mm. long, 2-6 mm. wide, rounded to acutish at the apex, 
mucronate, cuneate to attenuate at the base, entire, thin, white-furfuraceous, more densely 
so beneath; flowers monoecious, in axillary glomerules, or the staminate glomerules in short 
naked terminal spikes; calyx deeply 5-cleft; fruiting bracts flabellate-orbicular, 3 mm. long, 
usually broader than long, subsessile, united to the middle, the herbaceous margins deeply and 
acutely dentate, the terminal tooth not longer than the others, the sides 3-nerved, not ap- 
pendaged, or rarely with 1 or 2 obscure low tubercles; seed pale-brown, 1.5 mm. long, the radicle 
lateral. 
Type collected near Tehuacan, Puebla, Mexico, altitude 1550 meters, August 6, 1901, C. G. Pringle 
8577 (U.S. Nat. Herb. no. 396697). 
54. Atriplex tampicensis Standley, sp. nov. 
Erect (?) annual, much branched, the branches stout, obtusely angled, 4-5 dm. long, finely 
furfuraceous; leaves alternate, subsessile, the blades oblong, 1-2.5 cm. long, 3-10 mm. wide, ob- 
tuse or acute at the apex, mucronate, cuneate at the base, entire, thin, finely white-furfuraceous 
beneath, grayish-green and glabrate on the upper surface; flowers monoecious, the staminate 
glomerules in dense stout naked paniculate spikes, the pistillate flowers in dense axillary 
fascicles, the leaves much reduced above and the pistillate inflorescence nearly naked; calyx 
5-cleft; fruiting bracts sessile, cuneate-orbicular, 2.5-3 mm. long and somewhat broader, united 
to the middle, compressed, the rounded apex with 3-7 shallow acutish teeth, the sides not 
appendaged; seed brown, | mm. long, the radicle superior. 
Type collected in the vicinity of Tampico, Tamaulipas, Mexico, in April, 1910, Edward Palmer 
332 (U. S. Nat. Herb. no. 463276). 
55. Atriplex pacifica A. Nelson, Proc. Biol. Soc. Wash. 17: 99. 1904. 
Obione microcarpa Benth. Bot. Voy. Sulph. 48. 1844. 
Atriplex ramosissima Nutt.; Moq. in DC. Prodr. 13?: 111, as synonym. 1849. 
Atriplex microcarpa D. Dietr. Syn. Pl. 5:536. 1852. Not A. microcarpa Waldst. & Kit. 1812. 
Prostrate annual, much branched, the branches slender, 1-4 dm. tong, obtusely angled, 
furfuraceous when young, glabrate in age, sometimes tinged with red; leaves numerous, alter- 
nate, sessile or the lower short-petiolate, the blades oval, oblong, or obovate-oblong, 6-13 
