299 The Plant Formations of the High Mountains. 
moss-cushions, carpets of Lycopodium ramulosum, tussocks of Gahnia ‚procera, 
low-growing Styphelia acerosa and prostrate Dacrydium Bidwillii. 
ere is closely-related Zepzospermum scrub on certain mountains in the 
Western. district (e. g. Mt. Greenland.) 
n. Southern-beech Modhäte an serub. 
The two subalpine species of Nothofagus respond more readily to scrub- 
conditions than do the trees of other forest-associations and, in consequence 
more than hold their own in competition with subalpine ee proper, so 
that both NV. Menziesii and N. cliffortioides forests are frequently succeeded 
throughout New Zealand by a scrub in which one or other dominates. Such a 
an association may consist almost altogether of Nothofagus cliffortioides, as 
on many of the drier mountains-of the North-eastern district. Generally where 
there is an abundant precipitation enge of sg ar subalpine-scrub EPer 
ee the. ‚southeri-hesches es) .; 
2 Rock Associations. 
