in botany, a genus of the decandra monogy-nia clasps. The flower consists of four oblong petals. The stygma is quadrangular; the fruit is a berry of the drupa kind. There are four species of this genus, viz. The elemifera, maritima, toxifera, and bal-samifera, all natives of America.

**AMYTHAONIS emplastrum**, a plaster composed of gum ammoniac, wax, bdellium, &c., supposed by the ancients to be useful in convulsions.