Antarctic Plants in Polynesia 



295 



O Sect. Palaeastelia "j 



@ Sect. Asteliella \ Subg. Euastelia 



® Sect. Desmoneuron J 



Sect. Tsoneuron 



$ Sect. Periastelia 



C) Sect. Micrastelia 



# Sect. Tricella 



9 Gen. Collospermum 



Lines of aflfinity 



==s Uniting stations of one species 



Subg. Astellopsis 

 Subg. Tricella 



' Gen. Astelia 



AC — Auckland and Campbell Islands 

 Ch — Chatham (Warikauri) Island 

 P —Fiji Islands 



H — Hawaiian Islands 

 M — Marquesas Islands 

 NC — New Caledonia 



R — Reunion 



S — Samoa 



T — Society Islands 



Fig. I . Distribution of Astelia and Collospermum. 



