He wrote Μαρτύριον τοῦ ἁγίου Βαδιλεως ἐπιδκόπου Ἀμαδείας, which is given in the Acta Sanctorum of the Bollandists, Aprilis, vol. iii.; the Latin version in the body of the work (p. 417), with a preliminary notice, by Henschen, and the Greek original in the Appendix (p. 50). An extract from the Latin version, containing the history of the female saint Glaphyra, had been given previously in the same work. (Januar. vol. i. p. 771.) The Latin version of the had been already published by Aloysius Lippomani (Vitae Sanctor. Patrum, vol. vii.) and by Surius. (De Probatis Sanctorum Vitis, a. d. 26 Aprilis.) Basileus was put to death about the close of the reign of Licinius, A. D. 322 or 323; and Joannes, who was then at Nicomedeia, professes to have conversed with him in prison. Cave thinks that the have been interpolated apparently by Metaphrastes.