Note 5 — 4—How There Was Babbling in Philistia
Reading edition
Codman annotates this: "Synonyms, since P.E.M. is obviously Persicum Esculentum Malum—that is, the peach; 'which,' says Macrobius, 'although it rather belongs to the tribe of apples, Sævius reckons as a species of nut.'"