Hēlĭădĕs, um, f., = Ἡλιάδες,
daughters of Helios and sisters of Phaëthon , who were changed into poplars (acc. to others, into alders ) and their tears into amber , Hyg. Fab. 154; Ov. M. 2, 340 (cf. Verg. A. 10, 190, with id. E. 6, 62): nemus Heliadum, i. e. poplar - or alder-grove , Ov. M. 10, 91: Heliadum lacrimae, i. e. amber , id. ib. 10, 263; called also: Heliadum gemma, Mart. 9, 14, 6; hence: capaces Heliadum crustae, i. e. of amber , Juv. 5, 38.