46 NORTH AMERICAN FLORA [VoLuME 21 
VUI. Argenteae. Erect or decumbent annuals, usually densely furfuraceous. J,eaves 
alternate, or the lowest opposite, petiolate or sessile, the blades broad, all or most of them 
broadest at or near the base, entire or dentate, often hastate. Flowers monoecious, the 
staminate glomerules axillary or paniculate. Fruiting bracts sessile or pedicellate, usually 
broadest at or above the middle, united usually at least to the middle, dentate, the sides 
smooth or appendaged. Radicle superior. 
18. Atriplex trinervata Jepson, Pittonia 2: 305. 1895. 
Erect annual, 3-10 dm. high, much branched, sometimes simple at the base, the branches 
stout, obtusely or sharply angled, ascending or spreading, whitish-furfuraceous or glabrate; 
leaves alternate, the petioles stout, 2 cm. long or less, the upper leaves sessile; leaf-blades 
broadly ovate, rhombic-ovate, or deltoid-ovate, 2~-7.5 cm. long, the upper ones reduced, 
obtuse or acute at the apex, truncate, subcordate, or rounded at the base, shallowly and 
obtusely sinuate-dentate or repand-dentate, 3-nerved, furfuraceous, more densely so beneath; 
flowers monoecious, the small glomerules or fascicles axillary or in interrupted naked terminal 
spikes, the staminate flowers in distinct glomerules or mixed with the pistillate; calyx: 5-cleft; 
fruiting bracts sessile or an occasional one pedicellate, orbicular or cuneate-orbicular, 4-6 mm. 
long, usually broader than long, compressed, united at the base, rounded at the apex, the 
green margins obtusely or acutely dentate above the base, the sides 3-nerved, smooth or 
tuberculate; seed brown, 1.5-2 mm. long, the radicle superior. 
TYPE LOCALITY: Near the Araquipa Hills, Solano County, California. 
DisrriBution: In alkaline soil, northern and central California. 
19. Atriplex coronata S. Wats. Proc. Am. Acad. 9: 114. 1874. 
Atriplex verna Jepson, Pittonia 2: 305. 1892. 
Atriplex coronata verna Jepson, Fi. W. Middle Calif. 179, 1901. 
Atriplex elegans coronata M. E. Jones, Contr. West. Bot. 12: 76. 1908. 
Atriplex coronata notatior Jepson, Fl. Calif. 437. 1914. 
Annual, 0.8-6 dm. high, much branched, the branches stout, terete, ascending or de- 
cumbent, furfuraceous when young, glabrate in age; leaves numerous, alternate, sessile or 
subsessile, the blades ovate, oval, ovate-oblong, or lanceolate, 1-2.5 cm. long, 3-10 mm. wide, 
acute or acuminate at the apex, cuneate or rounded at the base, entire, thin, loosely furfura- 
ceous, often glabrate on the upper surface; flowers monoecious, both kinds in the same small 
axillary clusters; calyx 5-cleft; fruiting bracts sessile, rhombic-orbicular or flabellate, 4-5 mm. 
long, not compressed, united to above the middle, the margins laciniate-dentate, the sides 
copiously or only slightly tuberculate; seed 1.5 mm. long, brown, the radicle superior. 
Type LocaLtity: San Joaquin Valley, California. 
DIstR1IBvurIoN: In alkaline flats, central and southern California. 
20. Atriplex argentea Nutt. Gen. 1: 198. 1818. 
Obione argentea Moq. Chenop. Enum. 76. 1840. 
Atriplex nodosa Greene, Pittonia 1: 40. 1887. 
Atriplex volutans A. Nelson, Bull. Torrey Ciub 25: 203. 1898. 
Atriplex spatiosa A. Nelson, Bot. Gaz. 34: 360, in part. 1902. 
Annual, 1.5-6 dm. high, much branched throughout, the branches stout or slender, angled, 
erect, ascending, divaricate, or decumbent, whitish-furfuraceous; lowest leaves opposite, the 
others alternate, the lower with petioles exceeding or shorter than the blades, the upper short- 
petiolate or subsessile; leaf-blades triangular-ovate, rhombic, or rounded-ovate, often sub- 
hastate, 2-6 cm. long, rounded to acute at the apex, truncate, rounded, or broadly cuneate 
at the base, entire or sparsely dentate or undulate, thin, densely grayish-furfuraceous, the 
upper leaves little reduced; flowers monoecious, the glomerules axillary or in short terminal 
spikes; calyx deeply 5-cleft; fruiting bracts sessile or a few short-pedicellate, usually compressed, 
united nearly to the apex, 5-10 mm. long, the green free margins extending nearly to the 
base, dentate, the sides smooth or sparsely tuberculate or cristate; seed brown, 1.5 mm. long, 
the radicle superior. 
Type LocaLiry: On sterile and saline places near the Missouri River. . . 
DistRiButIon: Alkaline plains and valleys, western North Dakota to California and New 
Mexico. 
ILLUSTRATIONS: Britt. & Brown, Ill. Fl. f. 1381; ed. 2. f. 1699; Bull. U.S. Dep. Agr. Bot. 27: 
pl.7,f.1 
