588 DR. J. B. HICKS ON THE GONIDIA AND CONFERVOID FILAMENTS OF MOSSES. 



Fig. 21. Free-celi formation in confervoid filaments. 

 Fig. 22. Amceboid changes occasionally found in some of the same. 

 Fig. 23. a. Chlorophyll-utricles growing, and forming nuclei. 

 h. Incipient stage. 



c. Same as a, dispersed from parent cell. 



d. Same, having segmented. 



e. Zoospores produced from the segments. 



Fig. 24. Portion of edge of old leaf, contents of cells changing into Glwocapsa [a). 



Fig. 25. Portion of stem and leaves of a Jungermannia, in a similar state to that of the Moss, fig. 19, the 

 terminal cells of which are separating and becoming free, and segmenting (gonidia). 



