We go months with normal, pleasant guests, then all of a sudden we pick up a conflated collection of crazies!
It has long been known, and the knowledge has led to the production of what are known as conflated manuscripts or Misch-codices.
In the following stemma M and N are "mixed" or "conflated" MSS., being formed by the blending of readings from the "pure" or "unmixed" codices A, B and D, E respectively.
The "genealogical" method, as we may call it, cannot in strictness be applied to conflated MSS., as their mutual relations can rarely be with certainty disentangled.
A special value attaches to a conflated codex when one of the MSS.