Part 186 (2/2)

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.

Terminal spike (rarely the 2 or 3 uppermost) staminate only at base.

Stigmas 2 34-38, 79

Stigmas 3; spikes erect,

Short and squarrose 20, 21

Not squarrose 22, 30, 32, 46, 47, 54, 79

Stigmas 3; spikes more or less drooping 31, 51-53, 55-57

Terminal spike or spikes staminate.

Stigmas 2.--

Spikes spreading or pendulous 34, 37, 40, 41

Spikes erect or nearly so 9-16, 34-41, 85-91, 79

Stigmas 3; spikes spreading or drooping.

Perigynium prominently 3-angled 68-74

Perigynium large, thin, much inflated 9-16

Perigynium firmer, not inflated.

Beakless 42-45

Beaked or prominently pointed.--

Teeth long, stiff and sharp 17-19

Teeth short and thin, or none 30, 31, 39, 48-53

Stigmas 3; spikes erect or ascending.

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