Manukau scrub grows the land is not of much value. The various classes of trees of which the bush is composed are generally confined to separate latitudes and altitudes. The Kauri above mentioned is not found south of latitude 38deg. The bush is in some parts as impassable on account of its heavy undergrowth as the forests described by Stanley in "Darkest Africa."
The following is a list of the principal trees indigenous to the country, with their average heights, etc.:—
The Rata, or iron wood; an extremely hard wood.