Casia, casiæ. Plin. A sweete shrub or hearthe, bearing a spice like cinamone. Our common cinamone is the true Casia lignia, and that they sell for Casia is not it. Casia sistularis, the common purgation called Casia fistula. Humiles casias ministrare apibus.Virg.Recentes casiæ.Virg. Virides casiæ. Virg.
Lewis and Short: Latin dictionary
căsĭa (rarely cassia, e. g. Pall. Oct. 14, 13; Veg. 6, 13, 3 and 4), ae, f., = kasi/a or kassi/a. I.A tree with an aromatic bark, similar to cinnamon, prob. the wild cinnamon: Laurus cassia, Linn.; Plin. 12, 19, 42, 85, and 12, 19, 43, 95 sq.; Verg. G. 2, 466; Plaut. Curc. 1, 2, 6; Cels. 5, 23, 1 and 2; Scrib. Comp. 93; 125 al.—II.A fragrant, shrub-like plant, mexereon, also called cneoron or thymelaea, q. v., Plin. 21, 9, 29, 53; 21, 12, 41, 70; Verg. E. 2, 49; id. G. 2, 213; 4, 30; 4, 182; Ov. F. 4, 440; Mart. 10, 97, 2.