EXPLANATIONS AND REFERENCES, 



PLATE C. 



TOP 



Figures magnified 2.50 diameters. 



PAGE. 

 Fig. 1. STIGEOCLONIUM FASTIGIATA. . . . . .114 



Figs. 2, 3. STIGEOCLONIUM LONGIPILUS, according to Rabenhorst. Com- 

 pare Plate CII. 115 



