The cross of St. Andrew referred to in the law is a diagonal cross, known in vexillology as a saltire.
Also, with the cross of St. Andrew being a Christian symbol, it makes a unique attribute of representing at once the Church and the two states.
The cross of St. Andrew was taken from Greece during the Crusades by the Duke of Burgundy.
Upon the field are two sets of three golden arrows, forming a cross of St. Andrew.
After James I succeeded to the throne, it was combined with the cross of St. Andrew in 1606.
Above the portrait is the cross of St. Andrew, Scotland's patron saint.
The two bones form the cross of St. Andrew's, a saint martyred on a tipped cross.
Behind both shield and borders was the cross of St. Andrew in blue.
Other stories allege that the phenomenon was a figure shown against the sky and depicted for example the X-formed cross of St. Andrew.
The school flag features the white cross of St. Andrew against a blue background.