66 



Fig. 120. Hymenophyllopsis dejecta; distal face (surface and optical cross- 

 section). X 1000. 



HYMENOPHYLLUM (see also Fig. 188 C, p. 96): 



' 5 II 



Fig. 121. A, Hymenophyllum recurimm; lateral view (x 250) and proximal 

 face, surface and optical cross-section ( x 1000). B, H. peltatiiin, exine strati- 

 fication ( X 2000). 



