Cyperus Flavescens, p. 120

[ ] 1. Styles 2-cleft, achenium flattened

1. Cyperus flavescens, Linnaeus.

Stamens 3; spike linear, rather obtuse, 14 to 30
flowers, clustered at the end of the 2 to 4 very short
rays; scales obtuse, one nerved, straw-yellow; achenium
minutely cross-wrinkled, nearly orbicular, shining. --
Involucre 3-leaved very unequal. Culms 4 to 10
inches high. Flowers in
August.

Low boggy places in Illinois, Indiana, Ohio and
Michigan;

Extends south to Florida; a native also of
Europe.