THE FAMILY OF AEALIADS 



301 



All the outlying islands of New Zealand, if not mere 

 rocks, contain one or more species of plants not found on 

 the mainland. Thus the Chatham Islands possess one 



Fig. 96. Stilbocarpa polaris. 



genus, Myosotidium, and about thirty species of flowering 

 plants and higher Cryptogams not found elsewhere. Dr. 

 Cockayne gives the following numbers for the endemic species 



