CRyPTOQAMIA. 



9o 



represents the theca, h the seta, and c the perichcefium. 

 You have before been told that the theca contains the 





Fig. 127 



Fig. 12a 



Fig. 129. 



spores or seeds, and is covered by a lid or operculum. An 

 enlarged theca with its lid would look like an old-fashioned 

 sugar-bowl (Fig. 130). Moss seeds are first seen in the 

 theca, then covered over with operculum. These are then 

 all wrapped up in a calyptra. 



249. HepaticcB, or liverworts, are small creeping plants. 





Fig. 131. 



Fig. 130. 



Their leaves lap over each other like scales (Fig. 131), and 

 are hence said to be imlricated. They generally have no 

 lid to their capsule, and are by that distinguished from the 

 mosses. They grow upon old walls, rock, bark of trees, 

 and are sometimes found in damp places, but never nnder 



249, Describe hepaticpe. How do you digtingni:?h hepnticfs from algi?l 



