FIG. 264. Developing sporophytes of a com- 

 mon moss (Funaria) 



A, very young stage, showing the early cell 

 divisions of the egg ; I> , older sporophyte just 

 before the archegonium a is torn away from 

 the gametophyte and carried upward as the 

 calyptra. The base of the sporophyte has 

 now grown down into the tip of the leafy moss 

 plant (gametophyte) and is firmly anchored 

 to it. After Sachs 



296 



FIG. 265. A common moss 

 (Polytrichum commune) 



A, male plant, showing cup-like 

 tip containing the antheridia. 



B, female plant with the spo- 

 rophyte : cal, cap, or calyptra, 

 over the developing spore case. 



C, a mature spore case with 

 the calyptra removed 



