A smooth, perennial, fibrous-rooted plant, 6 to 8 inches high when in flower, later becoming 10 to 18 inches high. Leaves and flowering stems arising from a scaly base. Leaves glaucous beneath, long petioled, cordate or reniform, 3 to 6 inches long, 2 to 4 inches wide when mature, parted longitudinally into two obliquely ovate, blunt, lobed or entire divisions; lobes rounded with sinuses sometimes three-fourths of an inch deep. At flowering time the leaves are but partially developed. Flowering stems without leaves and one-flowered. Flowers white, about 1 inch broad; the calyx with four (sometimes three or five) caducous, petallike divisions. Petals eight, flat, oblong, longer than the sepals. Stamens eight with slender filaments. Fruit a short-stalked capsule about 1 inch long, opening at maturity near the summit by a half-circumscissle cleft.

In moist woods, New York, Ontario and Pennsylvania to Wisconsin, Iowa, Virginia and Tennessee. Flowering in April and May.

igure XVIII Twin leaf (Jeffersonia diphylla (Linnaeus) Persoon)

(Photograph by> G. A. Bailey)

Figure XVIII Twin-leaf (Jeffersonia diphylla (Linnaeus) Persoon)