Stems. - Three to ten inches high, almost winged at the angles, with spreading opposite leaves and branches. Leaves. - Linear, nearly all whorled in fours. Flowers. - Greenish or purplish-pink, growing in short, thick spikes which terminate the branches.
There is something very moss-like in the appearance of this little plant which blossoms in late summer. It is found near moist places and salt marshes along the coast, being very common in parts of New England.