51�Թ�

Leaves as in the last, but paler and thinner; spikes long and thin, attenuate at the apex; sepals oblong, acutely carinate; capsules cylindraceous-oblong, circumscissile much below the middle, 4–9-seeded; seeds oval-oblong, not reticulated.

Capsule nearly sessile, irregularly circumscissile.

Capsule filling the involucre, circumscissile in the middle, the calyptra persistent at its base.

Smooth or rather hairy, rarely roughish; leaves ovate, oblong, oval, or slightly heart-shaped, often toothed, abruptly narrowed into a channelled petiole; spike dense, obtuse; sepals round-ovate or obovate; capsule ovoid, circumscissile near the middle, 8–18-seeded; seeds angled, reticulated.—Waysides and near dwellings everywhere.

Fruit a circumscissile 2-celled capsule, with one or more peltate seeds in each cell, or an achene.