In which plant group reproductive organs are not enclosed in a layer of sterile cells?

Which plant group has jacketed sex organs ?

Fertile cells are not enclosed by sterile cells in the group :-

An example in which reproductive structues lack a layer of sterile vegetative cells surrounding the egg is

An example in which reproductive structues lack a layer of sterile vegetative cells surrounding the egg is

An example in which reproductive structues lack a layer of sterile vegetative cells surrounding the egg is

A plant example in which reproductive structure lack a layer of sterile vegetative cells surrounding the egg

You are given an unknown plant to study in the laboratory. You find that it has chlorophyll, no xylem. Its multicellullar sex organs are enclosed in a layer of jacket cells. Its gametophyte stage is free living. The plant probability belongs to