Open communion at the Disciples table is genuinely open — the invitation given from most Disciples pulpits is that this is not a Disciples table but the Lord's, and that all are welcome without exception. Presiding elders are lay members, men and women, elected by the congregation; the minister does not consecrate anything. The chalice with the Saint Andrew's cross on it, adopted as the denominational emblem in 1968, points at the Scottish Presbyterian origins of the Campbells. Because communion is weekly and lay-led, a Disciples congregation without a minister can hold a complete service, which mattered enormously on the frontier and still matters in the small rural congregations that make up much of the denomination.