CONTENTS 



OF THE FOURTH VOLUME. 



SCOLOPENDRIEJE. 



PAGK 

 SCOLOPENDRIUM 1 



ASPIDIACE^. 



DiDYMOCHL.ENA 5 



ASPIDIUM g 



Nephrodium 60 



Nephrolepis 151 



Oleandra 156 



Fadyenia 159 



Onoclea ]60 



POLYPODIES. 



POLYPODIUM 163 



PLATES CCXI— CCLXXX. 



