In moss,the medulla has:

In $Funaria$,leaves are arranged on the stem:

Which of the following characteristics is true for the gametophytic phase of bryophytes?

The sporophyte of $Riccia$ is

Bryophytes include

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?