GRAMMITIS; 



k: ;*•""'*■ ,'V 



tin 





Gl 



Fig. 109. Grammitis deplanchei. 



From left to right: lateral view 



(X 250); proximal face (x 1000); 



LO-patterns. 



GYMNOGRAMME: 



Fig. 110. Gymnogramme (Eriosoriis) congesta. From left to right: distal face 



(x 1000); lateral view (x 250); cf. perine fragments (optical section, 



X 2000); proximal face (x 1000) and LO-patterns. 



HEMIONITIS: 



Fig. 111. Hemionitis nrifolia. 

 From left to right: lateral 

 view ( X 250); sclerine strati- 

 fication ( X 2000); proximal 

 face (X 1000). 



