Note 2319 — BOOK XVI. THE NATURAL HISTORY OF THE FOREST TREES.
John Bostock translation
It is supposed that Pliny derives this notion as to the yew berry from Julius Cæsar, who says that “Cativulcus killed himself with the yew, a tree which grows in great abundance in Gaul and Germany.” It is, however, now known that the berry is quite innocuous; but the leaves and shoots are destructive of animal life.