1. Cycloloma atriplicifélium (Spreng. ) 
Coult. Cycloloma. (Fig. 1376.) 
Kochia atriplicifolia Spreng. Nactr. Fl. Hal. 2:35. 1801. 
Cycloloma platyphyllum Moq. Enum. Chenop. 18. 1840. 
C alriplicsfoltum Coult. Mem. Torr, Club, 5: 143. 1894. 
Pale green or becoming dark purple, bushy- 
branched, 6’-20’ high, the stem and branches angu- 
lar and striate. Leaves lanceolate, mostly acumi- 
nate at the apex, narrowed into slender petioles, 
irregularly sinuate-dentate with acute teeth, 1/3’ 
long or the upper much smaller; spikes numerous 
in terminal panicles, loosely flowered, 1/—3’ long, 
slender; fruit, including the winged calyx, 2’” broad; 
calyx-lobes not completely covering the summit of 
the utricle, which appears as a 5-rayed area. 
Along streams and on banks, Manitoba to Indiana 
and Illinois, west to the Northwest Territory, Nebraska 
and Arizona. Summer. 
5- MONOLEPIS Schrad. Ind. Sem. Gott. 4. ~* 1830. 
Low annual branching herbs, with small narrow alternate entire toothed or lobed leaves, 
and polygamous or perfect flowers in small axillary clusters. Calyx of a single persistent 
herbaceous sepal. Stamen 1. Styles 2, slender. Utricle flat, the pericarp adherent to the 
smooth vertical seed. Embryo a very nearly complete ring in the mealy endosperm, its 
radicle turned downward. [Greek, single-scale, from the solitary sepal. ] 
Three known species, natives of western North America, the following one reaching our limits. 
1. Monolepis Nuttalliana (R. & S.) 
Greene. Monolepis. (Fig. 1377.) 
Blitum chenopodioides Nutt. Gen. 1: 4. 1818. Not 
Lam. 1783. 
Blitum Nuttallianum R. & S. Mant. 1: 65. 1822. 
Monolepis chenopodioides Moq. in DC. Prodr. 13: Part 
Monciepis Nuvtultians Greene, Fl. Fran, 168. 1891. 
Slightly mealy when young, pale green, glabrous 
or nearly so when old; stem 3/-12’ high; branches 
many, ascending. Leaves lanceolate in outline, 
short-petioled, or the upper sessile, 1%4’-214/ long, 
narrowed at the base, 3-lobed, the middle lobe lin- 
ear or linear-oblong, acute or acuminate, 2-4 times 
as long as the ascending lateral ones; flowers clus- 
tered in the axils; sepal oblanceolate or spatulate, 
acute or subacute; pericarp minutely pitted, about 
14’ broad; margins of the seed acute. 
In alkaline or dry soil, Manitoba and the Northwest 
Territory to Minnesota, Nebraska, New Mexico and 
southern California. June-Sept. 
6. ATRIPLEX L.. Sp. Pl. 1052. 1753. 
Annual or perennial herbs or low shrubs, often scurfy-canescent or silvery. Leaves alter- 
nate, petioled or sessile, or some of them opposite. Flowers dioecious or monoecious, small, 
green, in panicled spikes or capitate-clustered in the axils. Staminate flowers bractless, con- 
sisting of a 3-5-parted calyx and an equal number of stamens; filaments separate or united 
by their bases; a rudimentary ovary sometimes present. Pistillate flowers subtended by 2 
bractlets which enlarge in fruit and are more or less united, sometimes quite to their summits, 
their margins entire or toothed, their sides smooth, crested, tubercled or winged; perianth 
none; ovary globose or ovoid; stigmas 2. Utricle completely or partially enclosed by the 
fruiting bractlets. Seed vertical or rarely horizontal; embryo annular, the radicle pointing 
upward or downward; endosperm mealy. [From a Greek name of orache. ] 
About 130 species, of very wide geographic distribution. Besides the following, some 45 others 
occur in the western parts of North America. 
Annual herbs; stems or branches erect, diffuse or ascending. 
Leaves hastate, ovate, rhombic-lanceolate or linear-lanceolate. 
Plants green, glabrous or sparingly scurfy, not silvery; leaves slender-petioled. 
Leaves lanceolate, several times longer than wide. 1. A. patula. 
Leaves triangular-hastate, the lower only 1-2 times as long as wide. 2. A. hastata, 
