AMARANTHACEAE, amaranth family 
AMARANTHUS, pigweed 
Amaranthus albus L., tumbleweed, p. 624 
var. albus 
var. pubescens (Uline & Bray) Fern. 
A. arenicola I. M. Johnston, sandhills aa [S: A. torreyi (A. 
Gray) Benth.] (Sauer, 1955), p. 6 
A. blitoides S. Watson, tumbleweed, sia lh amas spreading 
pigweed [S, G, M: ‘: "wai L.] (Sauer and 
Davidson, 1961), p. 
+A. caudatus L., purple eds twee tassel flower, 
622 
p- 
A. hybridus L., green amaranth, slender pigweed, p. 623 
+A. palmeri S. Watson, p. 622 
+A. powellii S. Watson, p. 624 
A. retroflexus L., rough green amaranth, rough pigweed, p. 623 
A. rudis J. Sauer, water hemp [S: A. tamariscinus Nutt.] (Sauer, 
+A. spinosus L., spiny Pigweed, thorny amaranth, careless weed, 
622 
p. 
*oA, eon fom Chinese spinach, Malabar spinach (Mihlenbach, 
A. bie sins (Mogq.) J. Sauer, water hemp, tall water hemp, 
p. 621 
CELOSIA 
+Celosia argentea L., eee p. 620 
var. cristata (L.) K 
FROELICHIA, cottonweed, snake-cotton 
Froelichia seiner Dang Mog,, field cottonweed, field snake- 
cotton, p. 6 
var. cusaicstete (Smal) Fern. 
F. gracilis (Hook.) Mog., slender cottonweed, slender snake-cotton, 
p. 627 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
