Part 1, 1916] CHENOPODIACEAE 61 
apex, the margins green, deeply and irregularly laciniate-dentate, sharply muricate on the 
sides, the tubercles often reflexed, indurate; seed 1.5-2 mm. long, reddish-brown, the radicle 
superior. 
Type collected on Guadalupe Island, Lower California, March 2, 1911, J. N. Rose 16022, in 
part (U.S. Nat. Herb. no. 638110). 
69. Atriplex Palmeri S. Wats. Proc. Am. Acad. 11: 146. 1876. 
Erect perennial, 3-6 dm. high, fruticose at the base, sparsely branched, the branches 
stout or slender, terete, furfuraceous; leaves alternate, the blades broadly spatulate-obovate 
to oblanceolate, 1.5—4 em. long, rounded to acutish at the apex, abruptly cuneate at the base 
or attenuate to a petiole one third as long as the blade or shorter, entire, grayish-furfuraceous; 
flowers dioecious, the staminate glomerules large, in dense or interrupted, naked, paniculate 
spikes, the pistillate flowers in few-flowered axillary clusters; calyx 5-cleft;. fruiting bracts 
compressed, sessile, cuneate-orbicular, 3 mm. broad and of about the same length, free, the 
margins herbaceous and coarsely laciniate-dentate nearly to the base, the sides slightly tubercu- 
late or smooth, 3-nerved; seed 1.5 mm. long, reddish-brown. 
Typx Locatity: Guadalupe Island, Lower California. 
Distrisurion: Guadalupe and Raza islands, Lower California. 
70. Atriplex Magdalenae Brand. Proc. Calif. Acad. II. 2: 
200. 1889. 
Prostrate perennial, the stems herbaceous, 3-6 dm. long, stout, terete, subangulate, densely 
white-furfuraceous when young, glabrate in age; leaves alternate, numerous, the petioles 
2-6 mm. long, the blades obovate-orbicular to obovate-oval or broadly oval, 1.2-3 cm. long, 
0.7-2 em. wide, abruptly acute or cuneate at the base and short-decurrent, broadly rounded 
at the apex, rather thin, entire, densely whitish-furfuraceous when young, less densely so in 
age, the uppermost leaves smaller, sometimes obtuse, apiculate; flowers dioecious, the pistillate 
in few-flowered axillary glomerules; fruiting bracts sessile or subsessile, rhombic, 3-4 mm. 
long and nearly as broad, compressed, united at the base and slightly indurate, the free por- 
tion hastately 3-lobed, the terminal lobe triangular, acute, green, the lateral lobes short, 
acute, divergent or ascending, the sides smooth, densely furfuraceous; seed 1.3 mm. broad, 
brown, the radicle superior. 
TYPE LocaLITy: Magdalena Island, Lower California. 
DISTRIBUTION: Known only from the type locality. 
71. Atriplex insularis Rose, Contr. U. S. Nat. Herb. 1: 80. 1890. 
Erect shrub, 15-20 dm. high, fruticose nearly throughout, much branched, the branches 
stout, ascending, terete, densely whitish-furfuraceous; leaves mostly alternate, often crowded, 
the blades obovate-orbictular, orbicular, or obovate, 1-1.5 cm. long, rounded at the apex, 
abruptly cuneate at the base and short-petiolate or subsessile, entire, thick, densely whitish- 
furfuraceous, the uppermost leaves smaller, oval or oblong, acutish; flowers dioecious, the 
staminate glomerules in dense, stout, naked, broadly paniculate spikes, the pistillate flowers in 
small axillary clusters, forming dense, nearly naked, narrowly paniculate spikes; calyx 5-cleft; 
fruiting bracts sessile, united at the base and indurate, 3 mm. long and of the same breadth, 
the margins green, coarsely and irregularly dentate, coarsely short-tuberculate on the sides. 
Type LocaLiry: Raza Island, Lower California. . : 
DisTRiBUTION: Islands off the western coast of Lower California. 
72. Atriplex Barclayana (Benth.) D. Dietr. Syn. Pl. 5: 537. 1852. 
Obione Barclayana Benth. Bot. Voy. Sulph. 48. 1844. 
Perennial, fruticose only at the base, much branched, the branches ascending, decumbent, 
or sometimes prostrate, 1.5-5 dm. long, stout or slender, densely white-furfuraceous when 
young, often tinged with red; leaves alternate, or the lowest opposite, the petioles half as long 
as the blades or shorter, the blades orbicular-spatulate, rounded-obovate, or oval, 1-2.5 cm. 
long, broadly rounded at the apex, abruptly ctineate at the base, entire, subcoriaceous, densely 
