Although, through the years the RC rites and practices were melded into the Church in England, it remained more or less independent until Queen Elizabeth I, King Henry VIII's daughter, completed the separation from Rome. In particular, meddling relative to producing an heir to the Throne of England. Several conferences of concerned clergy and laymen were held and out of these meetings several new provinces of Anglicanism were organized. Unfortunately for reasons beyond scope of this paper, not one, but many were formed. All have proper Apostolic Succession and all adhere to the doctrine and traditions.
Tradition allows considerable latitude in details among parishes and the tradition continues.
Most use the 1928 Episcopal Book of Common Prayer for their primary service format. Some use the proper and traditional Anglican Missal. The differences are minor, and in fact, the 1928 BCP was intended to be an interim book for pew use. The Great Depression and WW II delayed its replacement and because of long usage, the 1928 BCP took on a mantle of permanency and authority as a rite. The Altar Edition of the BCP is closer to the Missal.