590 CHENOPODIACE 4 AMARANTHUS 
late, pungent-pointed, spreading, much longer than the 3 membranaceous 
sepals: stamens 3: utricle wrinkled, longer than the sepals, circumscissile 
common in fields and waste places: naturalized from tropical America. 
A. carneus Greene Pitt. ii, 105. ‘‘ Moncecious: glabrous, prostrate, 
forming a mat 6-10 inches broad, the branches pinkish, the glomerules of 
flowers and lower face of leaves deep flesh-purple: plant leafy and florifer- 
ous throughout: leaves obovate-lanceolate, entire, setose-tipped, 44-34 inch 
long; tapering to a short petiole: bracts ovate-acuminate and setose-tipped : 
utricle smooth : seed black and shining, line wide. Beaver Canyon, Idaho.’ 
* * * Sepal t, Bract 1. 
A. Californicus Watson Bot. Cal, ii, 42. Prostrate or ascending, 
glabrous, branching at the base, the stems often a foot long or more, wit 
numerous short branchlets: leaves obovate to oblong, an inch long or less 
including the petiole, often small, obtuse or acutish, with white veins and 
margin: flowers green or reddish, in numerous small dense axillary clus- 
ters: bracts often membranaceous and inconspicuous, lanceolate, acumin- 
ate slightly or not at all exceeding the utricle: sepal of the staminate flow- 
ers 34 line long, that of the fertile flower shorter and narrower, lateral : 
utricle slightly rugose, tardily circumscissile: seed half a line broad. Idaho 
to California and Southern Oregon. 
OrpER LXXVIII CHENOGPODIACE. Dumort. 
Anal. Fam 15. (1829.) 
Herbs or shrubs with alternate or rarely opposite leaves - 
without stipules and small greenish flowers mostly in axillary 
and terminal panicles or racemes. [Flowers perfect, monceci- 
ous or, dioecious. Calyx persistent, 2-5-lobed or 2—5-parted, 
rarely reduced to a single sepal, or wanting in pistillate flowers. 
Stamens as many as lobes or divisions of the calyx, or fewer, 
Crone them: filaments slender: anthers 2 celled, longitudin- 
ally dehiscent. Ovary mostly superior and free from the calyx, 
1-celled, with a solitary amphitropous or campylotropous ovule 
on a stipe rising from its base: styles 1-3, with capitate stig- 
mas. ruit an achene or utricle. Embryo slender, either 
annular and surrounding the mealy albumen, or spiral with the 
albumen lateral or wanting. . 
TRIBE I Flowers perfect, without bracts. Seeds free. 
1 Nitrophila Perennial herbs with opposite leaves and axillary flowers. 
2 Kochia Perennial herbs with scattered terete or linear leaves and 
axillary flowers. . 
$ Chenopodium Annual or perennial herbs with mostly thin leaves: 
flowers somewhat panicled. 
4 Blitum Annual herbs with broad thin leaves: flowers in dense spicate 
clusters. 
5 Monolepis Low annuals with the flowers densely clustered in the 
axils: sepal 1, bract-like: stamen 1: fruit naked: seeds vertical. 
TRIBE 11 Flowers monecious or dicecious, bracted. Seeds free. 
* Bracts compressed: testa of the seeds mostly coriaceous. 
Atriplex Fruiting bracts with margins often dilated and the sides 
often muricate. 
ry) 
