394 CHENOPODIACEZ BLITUM 
MONOLEPIS 
and small green or reddish flowers in aggregated globose axillary 
sessile heads, or the upper heads forming an interrupted spike. 
Calyx 2-5-lobed, becoming pulpy and bright red in fruit. Sta- 
mens 1-5. Pericarp separating from the vertical shining seed. 
Embryo a complete ring around mealy albumen. 
B. capitatum L. Sp. 2. Glabrous or sparingly pubescent, succulent : 
stem erect, ascending or prostrate, 6-24 inches high, commonly much 
branched: leaves usually longer than wide. broadly triangular or hastate, 1-4 
inches long, sinuate, or the upper ones and sometimes all of them entire, 
rounded to cordate at base: flowers in globose sessile heads in the axils of the 
upper leaves and on the sides of the upper part of the stem and branches, 2-3 
lines in diameter in flower, becoming bright red and 5-8 lines in diameter in 
fruit: seeds compressed, ovate, enclosed by the calyx or when mature slightly 
exserted. Brit, Columbia to California and the Eastern States. 
5 MONOLEPIS Schrad. Ind. Sem. Geett. iv. (1830.) 
Low annual branching herbs with alternate leaves and small 
perfect or polygamous flowers in small axillary clusters without 
bracts, calyx of a single persistent herbaceous sepal. Stamens 1. 
Stvles 2, filiform. Pericarp membranaceous. persistent upon the 
vertical flattened seeds. Embryo annular around copious albu- 
men, its radicle turned downward. 
M. chenopodioides Mog. in DC. Prodr. xiii, 85. Glabrous or some- 
what mealy: stem erect, much branched from the base, 3-12 inches high: 
leaves lanceolate, with 1 or 2 coarse teeth on each side, attenuate at base to 
a petiole, the upper ones much smaller, and usually entire: flower-clusters 
dense, often reddish: sepal fleshy-foliaceous, oblanceolate or spatulate, acute: 
pericarp adherent to the seed, minutely pitted: seed halfa line broad, the mar- 
gin acute, In moist places, Washington to California and the Saskatchewan. 
M. spatulata Gray Proc. Am. Acad. viii, 386. Subpubescent or glab™ 
rous: stem decumbent or ascending, 5-6 inches high with elongated leafy bran” 
ches leaves narrowly spatulate, 6 lines long or less, acute entire: flowers 10-20" 
in dense clusters: sepal spatulate obtuse: pericarp separating from the seed, 
minutely papillose: seed less than 14 line broad. Eastern Oregon to Mono 
Pass, California. | 
M. pusilla Torr. Watson Bot. King 284. Stem erect, dichotomously 
much branched from the base 2-6 inches high, slender somewhat mealy, be- 
cowing glabrous often reddish: leaves oblong 3-6 lines long, obtuse, entire, 
shortly petioled: clusters 1-2-flowered; sepal obtuse: pericarp adherent, min- 
utely tuberculate "seeds less. than 14 line broad, acute-margined. Alkaline 
valleys, eastern Washington to Nevada. 
Tribe 2 Atriplicer Mog. in DC. Prodr. ziti, part 2, 89. Stems 
not articulated nor leaves fleshy. Flowers monecious or diccious; 
the staminate with 3-5-cleft calyx; the pistillate without calyz, enclos- 
edin a pair of more or less united bracts. Seed free, vertical, with 
annular embryo and copious albumen. . 
6 ATRIPLEX L. Sp. 1052. 
Herbs or shrubs with alternate or rarely opposite leaves and 
small greenish flowers in panicles or spikes or capitate-clustered 
