S8 CONSTITUENTS OF THE LICHEN THALLUS 



Fig. 30. Example of Cladophora. CI. glomerata KUtz. 

 A, nat. size; B, x 85 (after West). 



Fig. 29. A, Trentepohlia umbrina Born.; 

 B, T. aurea Mart, x 300 (after Kiitz.). 



