Such was the fact on the great Sabbath, the high day of the Jewish pasch.
"Church and State as Seen in the Formation of Christendom"
T. W. Allies
And, first, as to the observation of the Lord's pasch, that it may be kept on one day and at one time through the whole world, and that according to custom you direct letters to all to this effect.
"Church and State as Seen in the Formation of Christendom"
T. W. Allies
Others identify it with the pasch-flower, which, however, is far from being a marsh plant.
"Early Britain--Roman Britain"
Edward Conybeare