callistrūthia, ae (callistrūthis, idis, Col. 10, 416), f. (sc. ficus), = καλλιστρούθια, a very delicate kind of figs, which sparrows were fond of [Gr. στρουθός], Col. 5, 10, 11; Plin. 15, 18, 19, § 69; pure Lat. ficus passerariae, Capitol. Albin. 11, § 2.