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Perigynium less inflated, more conspicuously nerved or even costate, and with more or less setaceous or awned teeth; scale usually awned; spikes mostly nodding or spreading, comose in appearance, greenish, greenish-yellow, or ochroleucous.—Sp.

Aug., Sept.—Stems, including the dense leaves, ½´ thick; the comose spike, with its longer spreading leaves, ¾–1´ thick.

Seeds comose, with a tuft of long silky down at the apex.—Perennial herbs, with upright branching stems, opposite mucronate-pointed leaves, a tough fibrous bark, and small and pale cymose flowers on short pedicels.