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"NITROPHILA CHENOPODIACE 591 
* * Bracts obcompressed, completely united, not muricate: testa 
membranaceous. 
7 Eurota Low and shrubby white-tomentose perennials: pericarp coni- 
cal, densely hairy, not winged. 
S Eremosemium Somewhat spinescent nearly glabrous shrubs: pericarp 
flattened, orbicular, wing-margined, glabrous. 
TrIBE 111 Flowers perfect, without bracts. Seed invested by 
the pericarp. 
Corispermum Low annuals: flowers solitary in the axils; fruit com- 
pressed-elliptical, acutely margined. 
TRIBE ty Fleshy saline plants with jointed stems and scale- 
like leaves. 
9 Salicornia Branches opposite: flower clusters decussitately opposite : 
calyx saccate, becoming spongy. 
Trise v Herbsor shrubs with fleshy leaves. Stems not jointed. 
10 Sarcobatus Somewhat spinescent shrubs: flowers unisexual: the 
staminate in aments, without calyx; the pistillate axillary, solitary, 
with saccate calyx: fruit transversely winged. 
11 Dondia Saline herbs or shrubs with perfect axillary flowers: the 
calyx 5-cleft or 5-parted. 
Tribe 1 Chenopodiexr Mog. in DC. Prodr. xii, 48. Stems 
not jointed. Leaves flat, except in Kochia. Flowers perfect, with- 
out bracts. Sepals persistent. Seeds free, mostly with crustaceous 
testa and copious albumen. Embryo annular. } 
1 NITROPHILA Watson Bot. King. 257. 
Low branching perennials with fleshy opposite leaves and 
small perfect axillary flowers. Calyxof5-7 equal erect concave 
and carinate sepals, mostly 2—bracted at base. Stamens as many 
as sepals, united into a very narrow perigynous disk, Style 
short. Stigmas2. Utricle subglobose, imdehiscent beaked by 
the persistent style included within the connivent sepals. 
N. occidentalis Watson |. c. Glabrous throughout: stems ascending 
or decumbent, 3-8 inches long, from a perennial running rootstock, bran- 
ching from the base: lower leaves broadly ovate or oblong, 2-3 lines long. 
the rést linear, 12 lines long, semiterete, acuminate and cuspidate: bracts 
similar but shorter, mostly twice longer than the flowers: flowers 1-3 in 
each axil, the Jateral ones often short-pedicelled, 2-3-bracted, the central 
one often bractless: sepals a line long, rather rigid, ovate acutish exceeding 
the stamens and style: utricle brownish: seeds half a line broad, black and 
shining. In moist alkaline soil, southeastern Oregon to California. 
2 KOCHIA Roth. Schrad. Journ. Bot. i, 307. (1799.) 
Perennial or annual herbs or low shrubs with alternate leaves 
and small flowers solitary or few in the axilsof the upper leaves. 
Flowers perfect or pistillate sometimes bracteolate. Calyx her- 
baceous, 5-cleft, persistent over the fruit, andat length developing 
ahorizontal wing. Stamens 3-5, usually exserted: filaments linear. 
