64 NORTH AMERICAN FLORA [VoLuME 21 
e 
ovate to ovate-deltoid or oblong, 1.5-5 cm. long, often subhastate, obtuse to broadly rounded 
at the apex, rounded to cuneate at the base, rather thin, densely furfuraceous; flowers dioe- 
cious; staminate flowers in large glomerules arranged in slender, dense or interrupted, broadly 
paniculate spikes, the branches of the inflorescence usually naked, slender and often drooping; 
calyx 5-parted, furfuraceous; pistillate flowers in dense, slender or stout, nearly naked, elongate, 
broadly paniculate spikes; fruiting bracts strongly compressed, united to above the middle, 
suborbicular or orbicular-ovate, 2.5-4 mm. long, finely crenulate, thin, furfuraceous; seed 
1-1.5 mm, broad, dark-brown, the radicle superior. 
Tyre Locatity: On the Colorado River, Arizona, 
iG en In alkaline soil, southern California to northern Sonora and southwestern 
al 
ILLUSTRATIONS: Sitgreaves, Rep. Exp. fl. 14; Jepson, Fl. Calif. f. 84. 
80. Atriplex Parryi S. Wats. Proc. Am. Acad. 17: 378. 1882. 
Erect shrub, 2-4 dm. high, much branched, forming rounded clumps, the branches slender, 
erect, the branchlets divergent, very slender, sharply spinose, copiously furfuraceous when 
young, becoming glabrate, the bark of older stems light- or dark-gray; leaf-blades ovate-orbicular 
to rounded-ovate, or rarely subrenifom, 5-10 mm. long, rounded at the apex, or those of the 
inflorescence acute, cordate or subcordate and usually clasping at the base, the blades of the 
pistillate inflorescence often only 2 mm. long, thick, densely furfuraceous; flowers dioecious, 
the staminate in clusters of 1-3 or in dense glomerules in the axils, forming stout paniculate 
leafy spikes; calyx deeply cleft, densely furfuraceous; pistillate flowers 1-4 in the axil, the 
spikes paniculately branched; fruiting bracts sessile, 3 mm. long and slightly broader, united 
below, thick and rigid, entire. 
TYPE LocaLity: Near Colton, California. 
DIstRIBuTION: In dry alkaline soil, southern California and western Nevada. 
ILLUSTRATIONS: Jepson, Fl. Calif. f. 82, e; Bull. U. S. Dep. Agr. Bot. 27: ol. 4, f. 3. 
X XI. Julaceae. Procumbent perennials, fruticose near the base, densely furfuraceous, 
Leaves crowded and imbricate, sessile, the blades sagittate, entire, very small. Flowers 
dioecious. Fruiting bracts small, sessile, ovate, united to above the middle, entire, the sides 
coarsely tuberculate. Radicle superior. 
81. Atriplex julacea S. Wats. Proc. Am. Acad. 20: 370. 1885. 
Procumbent perennial, fruticose near the base, much branched, the branches 2-6 dm. 
long, slender or stout, the younger ones coarsely whitish-furfuraceous; leaves numerous, 
crowded and imbricate on the short lateral branches, sessile, the blades ovate-triangular, 
sagittate and clasping, 2-4 mm. long, obtuse, thick, the margins usually recurved, densely 
furfuraceous; flowers dioecious, both the staminate and pistillate solitary or in few-flowered 
axillary glomerules; fruiting bracts sessile, 4-5 mm. long, ovoid, not compressed, indurate, 
united to above the middle, entire or nearly so, the sides bearing numerous low, thick, usually 
flattened, irregular, corky appendages; seed 1 mm. broad, reddish-brown, incompletely filling 
the cavity, the radicle superior. 
Typz LocaLity: Todos Santos Bay, Lower California. 
DIsTRiBUTION: Western coast of northern Lower California. 
XXII. Polycarpae. ‘Tall shrubs, furfuraceous. Leaves small, alternate, usually sessile, 
the blades narrow, entire. Flowers dioecious, Fruiting bracts nearly orbicular, sessile, small, 
strongly compressed, free, laciniate-dentate, usually muricate near the base. Radicle superior. 
82. Atriplex polycarpa (Torr.) S. Wats. Proc. Am. Acad. 9: 117. 
1874. 
Obione polyra ee Torr. (in Emory, Notes Mil. Rec. 149, hyponym. 1848) Pacif. R. R. Rep. 4: 
130. 1857. 
Atriplex curvidens Brand. Proc. Calif. Acad. II. 2: 201. 1889. 
Erect shrub, 6-20 dm. high, fruticose almost throughout, much branched, the branchlets 
usually slender and divaricate, terete, the bark on the older branches gray, exfoliating; leaves 
