ParvT 1, 1916] CHENOPODIACEAE 39 
XXVITI. Conrerriro.rag 
Bracts entire, . 97. A. confertifolia. 
Bracts dentate or denticulate, at least near the base. 98. A. collina. 
XXIX. CANESCENTES 
Leaf-blades oval, broadest at the middle; low shrub, about 3 dm. high. 99. A. Garretti. 
Leaf-blades linear to spatulate, when broader than linear, widest above 
the middle. 
Low shrub, 1-4 dm. high, branched chiefly from the base; bracts 4-5 
mm. long, the wings thick, laciniate-dentate. 100, A. aptera. 
Tall shrubs, 6-25 dm. high, freely branched throughout; wings of the 
bracts thin, 
Bracts 7-25 mm. long, the free portion equaling or usually shorter 
than the wings. 101. A. canescens. 
Bracts 4-10 mm. long, the free portion much longer than the wings. 
Pedicels of the bracts 2 mm. long or less; bracts 4-6 mm. long. 102. A. linearis. 
Pedicels of the bracts 4-7 mm. long; bracts 6-10 mm. long. 103. A. macropoda. 
I. Hortenses. Erect annuals, bright-green and glabrate or furfuraceous. J,ower leaves 
opposite, the upper alternate, petiolate, the blades broad, often hastate, sinuate-dentate or 
entire. Flowers monoecious, spicate; pistillate flowers of 2 kinds, some of them with a regular 
herbaceous 3—5-lobed calyx and a horizontal seed, most of them without a calyx, the vertical 
stipitate fruit subtended by 2 bracts. Fruiting bracts oval or ovate, large, compressed, nearly 
free, entire or denticulate. 
1. Atriplex hortensis L. Sp. Pl. 1053. 1753. 
Atriplex hortensis microsperma Mog. Chenop. Enum. 52. 1840. 
Atriplex hortensis obtusifolia Moq. in DC. Prodr. 132: 91. 1849. 
Atriplex microtheca Mogq. in DC. Prod. 132: 91. 1849. 
Atriplex heterantha Wight, Ic. 5?: 5. 1852. 
Atriplex hortensis sativa Asch. Fl. Brand. 1: 576. 1864. 
Atriplex hortensis microtheca Loret & Barr. Fl. Montp. 559. 1876. 
Erect annual, 5-25 dm. high, sparsely branched, the branches slender or stout, ascending, 
obtusely angled, striped with dark- and pale-green, sparsely furfuraceous when young, soon 
glabrate; lower leaves opposite, the upper alternate, slender-petioled, the blades broadly 
triangular to triangular-ovate or lance-oblong, 4-12 or even 20 cm. long, often hastately lobed, 
acute or obtuse at the apex, rounded, truncate, or subcordate at the base, sinuate-dentate to 
entire or undulate, thin, bright-green, farinose when young, unusually glabrous in age; flowers 
monoecious, in slender, interrupted, mostly naked, terminal or axillary, paniculate spikes; 
pistillate flowers of 2 kinds, mostly without a perianth and enclosed by 2 large bracts, some- 
times consisting of a 3-5-lobed green calyx enclosing a horizontal fruit; fruiting bracts short- 
pedicellate, rounded-oval or ovate, 5-18 mm. long, compressed, united only at the base, 
herbaceous, rounded to acute at the apex, entire or denticulate, glabrate; utricle (when enclosed 
by bracts) stipitate, the seed about 2 mm. long, nearly black, the radicle inferior. 
TYPE LOCALITY: Siberia. 
DiIstTRisuTIoN: Central Asia; naturalized in central and southern Europe; adventive or escaped 
from cultivation in Illinois, Colorado, and Montana. 
ILLustRatTions: Schkuhr, Handb. pl. 349; Sturm, Deuts. Fl. 79: p1. 1; 'T. Nees, Gen. Fl. Germ. 
Dicot. 1: pl. 63, f. 18-21; Wight, Ic. 1787; Reichenb. Ic. Fl. Germ. 24: pl. 260; Bull. U.S. Dep. Agr. 
Bot.27: pl. 8, f.1,2; Benth. Ill. Handb. f. 847; Fiori & Paol. Ic. Fl. Ital. f. 997; Hegi, Ill. Fi. 
f. 550, h-n; Karst. Deuts. Fl. f. 308; Schleyer, Eur. Bek. Pfl. pl. 28. 
2. Atriplex nitens Schkuhr, Handb. 3: 541. 1803. 
Atriplex acuminata Waldst. & Kit. Pl. Rar. Hung. 2: 107. 1805. 
Erect annual, 6-25 dm. high, simple or branched, the branches ascending or spreading, 
obtusely angled, furfuraceous or glabrate; leaves alternate, the petioles half as long as the 
blades or shorter, the blades deltoid-oval or deltoid, 4-10 cm. long, acute to acuminate at the 
apex, subcordate, truncate, or broadly cuneate at the base, often subhastate, sinuate-dentate 
to entire, the upper blades ovate or lanceolate, often entire, all densely whitish-furfuraceous 
beneath, green and lustrous on the upper surface; flowers monoecious, in slender, naked, inter- 
rupted, terminal or axillary, simple or paniculate spikes; staminate calyx furfuraceous; pistil- 
late flowers of 2 kinds, some with a regular 5-lobed herbaceous calyx and horizontal fruit, the 
