Lewis & Short

ĕrīce, ēs, f., = ἐρείκη, heath, broom, ling, Plin. 24, 9, 39, § 64; 11, 16, 15, § 41 sq.
Hence, ĕrīcaeus, a, um, adj., of the heath-flower, i. e. collected from it: mel (= mel sylvestre), Plin. 11, 16, 15, § 41.