V] 



CEPHALOPTERIS 



63 





Md 



Fig. 80. Cephalopieris mirabilis, Nath., from the Upper Devonian of Bear 

 Island. Figures 1— 1, fertile shoots (1-3 nat. size, 4- x k). Figure 5, sterile foliage 

 (nat. size). After Nathorst (1902). 



