PLATE 39 



Compsonema ramulosum S. and G. 



Figs. 1, 3, 4, 5. Fragments of plants showing the character of the creeping 

 filaments, the abundance of erect filaments, the method of their branching, and 

 the great variety in shapes, sizes, and position of gametangia. X 125. 



Fig. 2. A fragment showing zoosporangia(?). X 125. 



Compsonema sessile S. and G. 

 Fig. 6. A fragment of a typical plant sitting upon its host. X 250. 



Compsonema serpens S. and G. 

 Fig. 7. Two fragments of typical plants. X 125. 



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