WOOTON AND STANDLEY—FLORA OF NEW MEXICO, 207 
Seeds of the different species of Chenopodium were formerly collected by the Indians, 
ground or parched, and used in making cakes or porridge. 
KEY TO THE SPECIES. 
Leaves glandular, sweet-scented, pinnately lobed; embryo not 
forming a complete ring. 
Lobes of the leaves rounded or broadly oblong, more or less 
toothed .................-22.-----2 2-2 s eee eee eee ee 1. 
Lobes of the leaves lanceolate, entire..........--.--------- 2. 
Leaves never glandular or sweet-scented, sinuately lobed to en- 
tire; embryo forming a complete ring. 
Leaves large, 7 to 20 cm. long, with large divergent acute 
lobes; seeds 2 mm. in diameter; leaves bright green.. 3. C. hybridum. 
Leaves smaller, less than 7 cm. long, with small, obtuse or 
acute, never divergent lobes, or entire; seeds 1.5 mm. 
or less in diameter; leaves pale or bright green. 
Calyx lobes not carinate; inflorescence mostly axillary, 
shorter than the leaves; stems usually prostrate; 
leaves elliptic-lanceolate, coarsely toothed, con- 
spicuously whitish beneath....................- 4. C. glaucum. 
Calyx lobes carinate; at least the upper panicles exceed- 
ing the leaves; stems never prostrate; leaves va- 
rious. 
Plants with a very strong unpleasant odor when 
crushed; leaves triangular-hastate, like the 
stems densely mealy...................----- 5. C. watsoni. 
Plants with no strong nor disagreeable odor, odor- 
less or nearly so; leaves various. 
Leaves entire, linear to oblong. 
Leaves linear to narrowly oblong, acute... 6. C. leptophyllum. 
Leaves oblong or broadly so, obtuse. ...... 7. C. oblongifolium. 
Leaves more or less toothed, hastate, ovate or 
triangular-ovate. 
Plants densely mealy, appearing whitish. 
Plants tall and stout, little branched 
below, erect; leaves conspicu- 
ously sinuate-toothed.......... 8. C. album. 
Plants low, 30 cm. high or less, densely 
and diffusely branched, the 
branches spreading; leaves 
small, entire except for the has- 
tate lobes at the base....-....-- 9. C. incanum. 
Plants only very slightly mealy, bright 
green. 
Plants stout, erect; leaves thick, con- 
spicuously sinuate-toothed..... 10. C. paganum. 
Plants lower, weak, often somewhat 
decumbent; leaves thin, entire 
except for the pair of hastate 
lobes at the base .............. ll. C. fremontit. 
. botrys. 
. cornutum. 
ES) 
