Crux, ave benedicta. [Holy Cross Day.] Probably of the 17th century. It is in the Symphonia Sirenum, Cologne, 3695 (edition 1707, p. 196), the Psalteriolum Cant. Cath., 1710, p. 277, Daniel, ii., p. 349, Trench, edition 1864, p. 302, &c. Translated as "Hail be thou! blessed Cross," by G. K. Woodward in his Songs of Syon, 1904. [Rev. James Mearns, M.A.]
--John Julian, Dictionary of Hymnology, New Supplement (1907)