Stem, - Slender, very leafy to the summit. Leaves. - Very narrow, from three to six in a whorl. Flowers. - Greenish-white, in small clusters at the summit and along the sides of the stem. Fruit. - Two erect pods, one often stunted.

This species is one commonly found on dry uplands, especially southward, with flowers resembling in structure those of the other milkweeds. (Pl.)