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Water Horehound

Lycopus sinuatus. Mint Family.

Stem.--Erect; one to three feet high; acutely four-angled. Leaves.--Opposite; oblong or lance-shaped; pointed; irregularly toothed or deeply parted, or some of the upper merely wavy-margined. Flowers.--Small; mostly white; in close whorls in the axils of the leaves. Calyx-teeth.--Usually five; with short, sharp points. Corolla.--Bell-shaped; nearly equally four-lobed. Stamens.--Four (the upper pair slender and conspicuous but sterile). Pistil.-One, with a two-lobed style. Ovary.--Deeply four-lobed; splitting when ripe into four little nutlets.

This plant abounds in wet places, flowering throughout the summer.