Stem. - Low, branched. Leaves. - Opposite, narrowly oblong, black-dotted. Flowers. - Light-yellow. Calyx. - Of four sepals, the two outer broad and leaf-like, the inner much smaller. Corolla. - Of four narrowly oblong petals. Stamens. - Numerous. Pistil. - One, with two short styles.
From July till September these flowers may be found in the pine-barrens of New Jersey and farther south and westward, and on the island of Nantucket as well.