LIST OF PLATES. 



Plate I. Illustrative of the general Structure of Mosses. 



Fig. 1. Spores of Moss ; a, germinating ; 5, iu a more advanced 



state. 

 Fig. 2. a, h, c, yoimg plants producing confervoid filaments, from 



which branches arise. 

 Fig. 3. Perfect plant ; a, branches clothed with loaves ; h, seta, 



or footstalk ; e, capsule ; d, operculum, or Hd. 

 Fig. 4. Leaf, showing a serrated margin, and central nerve. 

 Fig. 5. Portion of same, more highly magnified. 

 Fig. 6. Branch producing stellate heads, having masses of "male" 



flowers, and filaments in centre. 



Plate II. Fructification of Mosses. 



Fig. 1. Moss plant, showing the calyptra at a. 



Fig. 2. Capsule of Splaclmum ; a, large apophysis ; h, proper 

 capsule. 



Fig. 3. Cluster of antheridia, with jointed filaments, much mag- 

 nified. 



Fig. 4. The same separated, and still more magnified. 



