| The sporogonium when nearly mature bursts the calyptra irregularly. |
| Capsule filling the involucre, circumscissile in the middle, the calyptra persistent at its base. |
| In most liverworts, the sporangium matures before the seta elongates, pushing the sporangium above the calyptra that protected it. |
| The calyptra is half-cleft, and the lid conical and shortly beaked. |
| The capsule is often covered by a calyptra, which is the enlarged remains of the archegonium. |
| The calyptra is half-cleft, and expanded as if blown out below. |
