The Roman Missal: Proper of Saints, March and April (English) 20

1[April 13. St Hermenegild, Martyr.—Semidouble.]
2[If this Festival falls after Easter, the Mass, Protexisti, for Martyrs in Paschal time, page xii, is said, with the Prayers and Gospel as below: but if it falls in Lent, the Mass is, In virtute tua, for one Martyr, page vii, except what follows:]
3Prayer. Deus qui beatum. O God, who didst teach blessed Hermenegild, thy martyr, to prefer a heavenly to an earthly kingdom, grant us, we beseech thee, by his example to despise transitory things, and follow after those which are eternal. Through, &c.
4[Gospel.—If any man come to me, &c. as in the Mass Statuit, for a Martyr and Bishop, page iv. Secret and Postcommunion from the Mass, In virtute tua.]