Buxus sempervirens.

Botanical name: 

BUXUS SEMPERVIRENS, L. Boxwood. Common in gardens for borders, grows very slow, a tree 8 feet high, must be 100 years old. Wood yellow, very hard, excellent for implements and wood cuts. Leaves and bark bitter, fetid, purgative, pellent, sudorific, alterative, antisyphilitic. Said to be equivalent of Styllingia in syphilis; also used in epilepsy and hysterics, also for beer.

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