Not leafy-bracteate.—
Green 118–120
Usually tawny or brown 125–132
Some or all of the spikes distinct or the head interrupted.
Staminate and pistillate flowers variously disposed, some of the spikes often unisexual.
Head large and long 108, C. arenaria
Head short or linear 124, 125
Spikes staminate above 100–114
Spikes staminate below 118–133
Spikes usually more or less pedicelled, the wholly or partially staminate spikes uppermost.