60 NORTH AMERICAN FLORA [VorumE 21 
furfuraceous, terete; leaves nearly all opposite, sessile, the blades lance-oblong, 2-5 mm, 
long, obtuse or acutish, broadest at the base and rounded or truncate, entire, thick, densely 
grayish-furfuraceous; flowers dioecious, the pistillate ones solitary or in small axillary glom- 
erules in stout leafy spikes; fruiting bracts sessile, suborbicular, 3 mm. long and of the same 
breadth, strongly compressed, united to above the middle, dentate nearly to the base, the 
teeth triangular, acute, the sides not appendaged, furfturaceous, 3-nerved; seed yellowish, 
1 mm. broad, the radicle superior. 
TYPE Locatity: Rio Grande Valley, near Matamoros, Tamaulipas. 
DISTRIBUTION: In alkaline soil, southwestern Texas and Tamaulipas. 
XVIII. Barclayanae. Erect or decumbent perennials, usually suffrutescent only at the 
base, densely furfuraceous or farinose. Leaves alternate or the lowest opposite, petiolate, the 
blades broad, entire or rarely dentate. Flowers dioecious. Fruiting bracts small, broad, sessile 
or pedicellate, usually compressed, dentate, the sides usually appendaged. Radicle superior. 
66. Atriplex lurida Brand. Proc. Calif. Acad. II. 2: 200. 1889. 
Erect perennial, 3-8 dm. high, suffrutescent below, much branched, the branches herba- 
ceous, slender, terete, densely white-furfuraceous when young, glabrate in age; lower leaves 
opposite, the upper alternate, the blades broadly ovate-oval to rounded-oval or oval, 1.5-4.5 
cm. long, rounded or acute at the apex, abruptly cuneate at the base and decurrent into a peti- 
ole one fourth as long as the blade or shorter, rather thin, entire or usually coarsely and irregu- 
larly dentate, the upper blades smaller, oval to lanceolate, sessile or subsessile, acute or acutish, 
finely dentate or entire, all densely white-furfuraceous; flowers dioecious, the staminate 
glomerules arranged in dense naked paniculate spikes, the pistillate in slender naked inter- 
rupted paniculate spikes and in axillary glomerules; calyx deeply 5-cleft; fruiting bracts flabel- 
late or cuneate-orbicular, 2-3 mm. long, slightly broader than long, compressed, subsessile, 
cuneate at the base, united nearly to the middle, the free portion deeply and acutely dentate, 
green, the sides smooth or obscurely short-tuberculate; seed brown, 1 mm. long, the radicle 
superior. 
Typz Locaiity: San Gregorio, Lower California. 
DISTRIBUTION: Central Lower California. 
67. Atriplex dilatata Greene, Pittonia 1: 264. 1899. 
Erect or decumbent perennial, 3-10 dm. high, branched throughout, the branches stout, 
terete, sparsely furfuraceous; leaves mostly alternate, the blades broadly obovate to ovate- 
orbicular or oval, 1.5-3.5 cm. long, 0.7-2.5 cm. broad, rounded to acutish at the apex, mucron- 
ulate, abruptly cuneate at the base or decurrent into a petiole 1.5 cm. long or shorter, thin, 
densely white-farinose when young, becoming glabrate in age; flowers dioecious, the yellow 
staminate glomerules in dense naked terminal paniculate spikes, the pistillate flowers in dense 
axillary clusters, forming sparsely leafy or naked, dense or interrupted, simple or paniculate 
spikes; calyx 5-cleft; fruiting bracts sessile or short-pedicellate, 5-6 mm. broad and half as long 
or longer, compressed, 3-nerved, united at the base, irregularly dentate above the base with 
narrow acute green teeth, not appendaged on the sides, or sometimes with 2 short tubercles; 
seed 1.5 mm. long. ‘ 
TyvPE LOocALIty: San Benito Islands, Lower California. 
DIstRIBUTION: Known only from the type locality. 
68. Atriplex Rosei Standley, sp. nov. 
Erect perennial, fruticose at the base, sparsely branched, the branches stout or slender, 
terete, whitish-furfuraceous; leaves mostly alternate, the blades broadly oval to obovate, 
1.5-3.5 em. long, 0.8-2 cm. broad, rounded or obtuse at the apex, cuneate or abruptly cuneate 
at the base and decurrent into a petiole one third as long as the blade or shorter, entire, thin, 
white-furfuraceous; flowers dioecious, the staminate glomerules in dense naked paniculate spikes, 
the pistillate flowers in few-flowered axillary clusters, forming interrupted, leafy, loosely panicu- 
late spikes; calyx 5-cleft; fruiting bracts short-pedicellate, 6-8 mm. broad and about half as 
long, not compressed, rounded or truncate at the base, free above the base, deeply retuse at the 
