GENERA AND SPECIES. 
Chenopodium. 
shrub, branchlets often spinescent. Leaves 
spathulate or linear-elliptical, entire; flowers in 
terminal spikes or panicles ; seeds vertical 
Tall 
Herbs, mealy-white; inflorescence terminal or axillary; 
seeds horizontal. 
Erect, tall ; leaves stalked, ovate or oblong, entire 
about 1 in. ; spikes terminal, yellow 
Prostrate, small; leaves small, ovate or ieokaly 
lanceolate ; flower-clusters mostly axillary 
Herbs, more or less glandular-hairy, not mealy, pros- 
trate; inflorescence axillary ; seeds vertical. 
Sepals deeply concave; flowers in spikes; leaves 
small ovate- lanceolate, acutely toothed; stamens 
1 or more 
Sepals bluntly keeled, broad, concave; leaves small 
on long stalks, ovate or oblong, wavy sinuous at 
the margin; stamen 1. A small annual 
Sepals linear, acute, fringed along the keel; other- 
wise like C. carinatum 
Sepals acute, much thickened at die oes ares 
lanceolate to broadly hastate, entire, on long 
slender stalks ; stamen 1] 
Enehylaena. 
Prostrate or diffuse, downy (rarely almost glabrous) 
undershrub; leaves linear ; flowers sessile, axillary 
and solitary ; stamens 5; calyx-fruit red or yellow 
Threlkeldia. 
Prostrate or diffuse, glabrous undershrub; leaves succu- 
lent, linear; flowers sessile, axillary and solitary; 
stamens 5 D3 calyx- fruit somewhat succulent, dark- 
violet 
Kochia. 
1. Fruit-calyx bordered by distinct horizontal 
wings. 
Wings fringed; terminal lobes of calyx erect, broad 
and denticulated ; leaves linear-acute 
Wings invested with minute hairs, alternating oats 5 
linear-acute appendages ; leaves rather long 
Wings distinctly stalked, alternating with linear-spathu- 
late reflexed appendages 
D 
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nitrariaceum 
auricomum 
microphyllum 
rhadinostachyum 
carinatum 
cristatum 
atriplicinum 
tomentosa 
diffusa 
fimbriolata 
lanosa 
lobifiora 
