EXPLANATIONS AND REFERENCES, 

 PLATE XCVIIL 



PAGE. 



Figs. 1, 2, STIGEOCLONIUM NUDIUSCULUM. full length of plants, . . 113 



Fig. 3. " " end of branched filament with 



matured zoospore passed out of 

 cells, . - 113 



" 4. STIGEOCLONIUM AMCENUM, . . . .113 



