OF THE TONGA OR FRIENDLY ISLANDS. 195 
TACCACER. 
Tacca pinnatifida, Forst.— Moseley. 
Fiji to the Marquesas and Sandwich Islands, and widely diffused 
in maritime districts of tropical Asia and Africa, as well as on 
the coast of North-eastern Australia. 
DI0scoREACEs. 
Dioscorea alata, Linn.—Coohk. 
Fiji, Society, and Marquesas Islands, also Malaya and tropical 
India, though perhaps not indigenous in the last-named country. 
Dioscorea sativa, Linn.—Cook. 
Fiji eastward to the Marquesas and Sandwich Islands, North- 
eastern Australia, through Malaya to India and Africa. 
LIviace#. 
Cordyline terminalis, Kunth.—oseley ; Lister. 
Fiji, Society, Marquesas, and Sandwich Islands, and generally 
spread over tropical Asia and North-eastern Australia. 
Dianella ensifolia, Red.— Lister. 
New Caledonia, Fiji and Sandwich Islands, Australia, tropical 
Asia, and the Mascarene Islands. 
Dianella intermedia, Eudl.— Nelson. 
Fiji and Society Islands, also New Zealand and Norfolk Islands. 
The synonymy of these two species is variously quoted by 
different authors. 
COMMELINACES. 
Commelina nudiflora, Linn. (C. pacifica, Vahl).—Forster : 
Nelson; Barclay. 
Fiji and Sandwich Islands, and generally diffused in warm 
countries. 
PaLMe. 
Pritchardia pacifica, Seem. et H. Wendl.— U.S. Expl. Exped. ; 
Lister. 
Fiji, Samoa, and Marquesas Islands. 
Cocos nucifera, Linn.— Lister. 
Throughout tropical Polynesia and almost all littoral regions 
within the tropics. The cocoanut has long been cultivated in 
the most distant parts of the world, and it is uncertain how much 
