Butter Nut, Oilnut, White Walnut.

This is a stately forest tree, about 50 feet high, with numerous horizontal branches forming a large tufted head. The flowers appear in May, in the middle States of America, and the fruit ripens in September.

Provings are given by Hale in his New Remedies.

Part employed. - The inner bark, especially of the root.

Preparation. - Tincture.