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Ulva dactyJifcra S. and G. 



Fig. 1. Photograph of a whole plant, the type specimen, with the exception 

 of a jjortiou of the base. X 0.75. 



Ulva stenophylla S. and G. 



Fig. 2. A microphotograph of a portion of the surface, showing the rounded 

 angles and relatively thi( k walls of the cells. X 442. 



[314] 



