TABLE OF CONTENTS. 



CHAPTER I. 



I'AT.F. 



Classification of Plants. Ferns. Polypodiacea3. Polypodmm. Ce- 



teracli. Gymnogramma, ..... 1 



CHAPTER II. 



Fossil Ferns. Aspidiacea?. Polystichum. Woodsia, . . 8 



CHAPTER III. 

 Aspidiacea? continued. Lastraea, . . . * . 15 



CHAPTER IV. 

 Aspidiacese continued. Aspleniiun, .... 21 



CHAPTER V. 



Aspidiaceee continued. Cystopteris. Athyrium. Scolopendriuui. 30 



CHAPTER VI. 



Aspidiaceaa continued. Pteris. Blechnum. Adiantum. Hymeno- 

 phyllacese. Hymenophyllum. Trichonianes. Osmundacea?. 

 < ipliioglossacea?, . .  . . . :57 



CHAPTER VII. 

 Fern Allies. Equisetuin. Isoetes. Lycopodiuin, . . 47 



CHAPTER VIII. 



Moss Order. Fructification. Summit- and Side-fruited Mosses. An- 

 draea Group. Sphagnaceae. Bog Moss. Uses of Bog Moss. 

 Phascse Group. Weissia Group. Gymnostomum. Solomon's 

 Hyssop. Bristle Mosses. Fork Mosses, ... 57 



CHAPTER IX. 



Vitality of Mosses. Pottia. Trichostoinae Group. Screw Mosses. 



Extinguisher Mosses. Hedwigia. Grimmea. Fringe Mosses, 60 



