THE AECHEGONIAT^E 



227 



FIG. 189. Amblystegium riparium, var. fluitans. A, median longitudinal section 

 of a strong shoot; x, apical cell; x, initial of a lateral branch (x 250). B, trans- 

 verse section of the apex (x 250). C, similar section of a young branch (X 500). 



FIG. 190. Funaria hygrometrica. A, transverse section of the apex of a young 

 shoot (x 515). B, C, cross-sections of young leaves (X 515). D, cross-section of 

 stem (x 257). 



