I.psythian, a designation of a species of vine: “vitis,” Verg. G. 4, 269; Col. 3, 2, 24.—Called also simply psythĭa , ae, f., Verg. G. 2, 93; and in plur.: “psythiae (sc. uvae),” Stat. S. 4, 9, 38.—Neutr. subst.: psythĭum , ii, a kind of raisin - wine, Plin. 14, 9, 11, § 80.
psythĭus or psĭthĭus , a, um, adj., = ψύθιος (ψιθ-),