EXPLANATIONS AND REFERENCED, 

 PLATE XCII. 



PAGE. 

 Fig. 1. DRAPARNALDIA GLOMERATA, a stem with branches, . .108 



Figs. 2, 3. A part of a rhizome, ..... 108 



Fig. 4-6. Younger growths, . . . . . .108 



Figs. 7, 8. Steins producing zoospores, ..... 108 



Fig. 9-12. Ciliated zoospores and progressive stages of growth, 108 



