Family 3. =Cleistocarpeæ.=

The fruit does not dehisce in the regular way, but the spores

are liberated by decay. They are small Mosses which remain

in connection with their protonema until the sporangium is

mature. The archegonium remains sessile at the base of the

short capsule-stalk, and is not raised into the air (compare

Hepaticæ).--_Phascum, Ephemerum, Archidium, Pleuridium._

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