THE SOUTH TEMPERATE ZONE 



363 



be assumed that the extreme aridity and poor soils of the centra] 

 part of the continent would be much better adapted to the xero- 

 phytes from the west than to the Malayan rain-foresi types, which 

 seem to have been to a great extent evicted by the drought- 

 resistant western immigrants, and are now restricted i<> compar- 

 atively limited areas of good soil and adequate moisture. 



Fig. 100. — Alpine grass-land, elevation 4.500 feet. Gcntiana corymbifera in flower. 

 South Island, New Zealand. Photo., Mr. W. D. Re id. 



The autochthonous types have for the most part remained in 

 Australia. Eucalyptus, Acacia, and a few Proteaceae, and a few 

 others are found in the savannas of southern Papua, and some 

 even reach the drier parts of the Philippines, and range through 

 Polynesia; but the great majority of the true Australian types 

 are unknown beyond the Australian continent. 



Agriculture and Horticulture in Australasia 



The cooler parts of Australia and all of New Zealand are adapted 

 to the usual crops of the temperate zones. In Australia wheat i< 



