c 



9 



'— o d—i 



B 



Fig. 138 Life cycles. A, Phyllophora memhranifolia. B, P. 

 hrodiaei. C, Ahnfeldtia plicata. 5 =monospores. (After Svedelius.) 



Fig. 139 Plant of Ahnfeldtia plicata ( x i). 



245 



