THE BOTANY OF CHRISTMAS ISLAND. 247 



Vittaria elongata, Sw. A common epiphytic fern on trees on 

 the plateau, a large form. Distribution Africa, India, 

 Malaya, Australia, Polynesia. 



Lastrcea dissecta. 



A big fern common at Flying Fish Cove and Phos- 

 phate hill. 



Distribution, India, Malaya, Polynesia, Madagascar. 

 L, Blumii, Nees. Nephrodium intermedium Baker. 



Collected by Lister, I did not meet with it. 



Distribution India, Malaya. 



L. syrmatica. 



Flying Fish Cove. Common. 

 Distribution, India, Malaya. 



Aspidium polymorphum, (Bak). 



North West Point not common (Andrews) I did not 

 get to this locality and saw the plant nowhere. 

 Distribution, Indo-Malaya. 



Pleocnemia membranacea (Aspidium membranaceum, Hook). 



Abundant on the plateau and the sloping talus of 

 Flying Fish Cove. A most attractive bright green fern, 

 Andrew's gives it "on trees everywhere " but it is always 

 terrestrial. 



Distribution, Ceylon, Malay Islands, China. 



Nephrodium truncatum, Presl. 



On the wet rocks of the fresh-water stream near the 

 Waterfall. Doubtless the same spot at which Andrews 

 got it. 



Distribution, Indo-Malaya. 



Gymnopteris flayellifera. 



Very common all over the plateau densely covering 

 the ground in parts. Andrews gives it as rare but it 



R. A. Soc„ No. 45, 1905. — 



