ochia scoparia.=

5a. Principal leaves with a broad truncate, rounded, or hastate base
--6.

5b. Principal leaves narrowed to the base --12.

6a. Leaves broadly ovate, with 1-4 large sharp projecting teeth on
each side =Goosefoot, Chenopodium hybridum.=

6b. Leaves hastate or triangular-ovate, entire or with many teeth
--7.

7a. Leaves entire or merely undulate --8.

7b. Leaves sharply or sinuately toothed --9.

8a. Stem erect, simple or sparingly branched
=Good King Henry, Chenopodium bonus-henricus.=

8b. Stem diffuse or ascending, freely branched
=Orache, Atriplex patula.=

9a. Flowers in small heads, in the axils or in terminal spikes; leaves
sinuately toothed or nearly entire
=Strawberry Blite, Chenopodium capitatum.=

9b. Flowers in terminal panicles; leaves sharply toothed (Goosefoot)
--10.

10a. Panicles short, not as long as the subtending leaves
=Goosefoot, Chenopodium murale.=

10b. Panicles long, exceeding the subtending leaves --11.

11a. Calyx green =Goosefoot, Chenopodium urbicum.=

11b. Calyx red =Goosefoot, Chenopodium rubrum.=

12a. Foliage glandular and strongly aromatic --13.

12b. Foliage not glandular nor aromatic; sometimes ill-scented
--15.

13a. Flowers in large loose open spreading panicles; leaves deeply
pinnatifid =Jerusalem Oak, Chenopodium botrys.=

13b. Flowers clustered in slender axillary or terminal spikes --14.

14a. Spikes dense, leafy =Mexican Tea, Chenopodium ambrosioides.=

14b. Spikes open, nearly leafless
=Wormseed, Chenopodium ambrosioides var. anthelminticum.=

15a. Stem erect, 5-20 dm. tall; leaves frequently white-mealy
=Lamb's Quarters, Chenopodium album.=

15b. Stem prostrate or ascending, succulent; leaves glaucous-white
beneath =Goosefoot, Chenopodium glaucum.=

15c. Stem widely and diffusely branched; leaves green, soon deciduous
=Cycloloma, Cycloloma atriplicifolium.=

AMARANTHACEAE, the Amaranth Family

Herbs, with alternate leaves, and inconspicuous greenish or reddish
flowers without petals, which are