In $Bryophytes$,which stage produces diploid,heterosporous spores?

What is incorrect for $Sphagnum$?

Which of the following stages of $Funaria$ is haploid?

In mosses,the second gametophytic stage is the leafy stage. Consider the following statements about the leafy stage:
$I.$ The leafy stage is produced from the secondary protonema as a lateral bud.
$II.$ They consist of upright,slender axes bearing spirally arranged leaves.
$III.$ They are attached to the soil through multicellular rhizoids.
$IV.$ This leafy stage bears the sex organs.
Which of the statements given above are correct?

Describe the common characteristics of Bryophytic plants.

The capsule of $Funaria$ is