The antheridium in $Funaria$ is:

Sphagnum is useful as a substitute for ........

$A$ : In mosses,the second stage of the gametophyte consists of upright,slender axes bearing spirally arranged leaves.
$R$ : This stage of the gametophyte consists of sex organs.

In bryophytes,the sporophyte stage is responsible for which of the following?

Archegoniophore is present in

Consider the following statements:
$I.$ The plants have a magnificent property of retaining water. They can withhold water $200$ times more than their own weight. Hence,they are widely used by gardeners to keep cut plant parts moist during transportation and propagation.
$II.$ These plants grow as semiaquatic or submerged in acidic marshes. The older portions of the plant die but do not decay due to peculiar germicidal properties.
The above statements belong to which of the following bryophytic plants?