Botanical name: 

CELTIS, L. Nettle tree, Hackberry in the West. Sugar-berry tree in the South. Several species, with yellow, purple and brown berries. Bark anodyne, cooling. Berries sweet, subastringent, good to eat, useful for the dysentery.

Medical Flora, or Manual of the Medical Botany of the United States of North America, Vol. 2, 1830, was written by C. S. Rafinesque.