Explanation of Plate XII. 



Davallia saccoloma Spreng. p. 152. 

 Figs. 1-3. Bases of pinnae, showing variation in form and division. X 1. 

 Fig. 4. Part of pinna. Magnified. 



Davallia in eg /talis Kze. p. 153. 

 Fig. 5. Tip of pinna. X 1. 

 Fig. 6. A pinnule. X 1. 



Dick so nia adiantoides H. B. K. p. 153. 

 Figs. 7, 8. Pinnules from the same frond showing variation in apex. X 1 



Dicksonia rubiginosa Kaulf. p. 154. 

 Fig. 9. Upper part of rootstock, showing leaf-scars, roots and spines. 

 X 1. 



