Fig. 95. Section through cupule of Marchaniia, showing wall in which are chloro- 

 phyll-bearing air-chambers with air-pores, and gemniEC {a) in various stages of 

 development.— After Knt. 



( 





x 



-S^^^^<.- 



\ 



Pig. 96. Murrhanlia polymorpha : the lower figure represents a gametophytc bear- 

 ing a mature aiitheridial branch ((f), some young antheridial branches, and also 

 some cupules with toothed margins, in which the gemm.T may be seen ; the 

 upper figure represents a partial section through the antheridial disk, and shows 

 antheridia within the antheridial cavities (a, b, c, d, e,f).—AftiiT Knt. 



