83 JOURNAL OF THE ARNOLD ARB; RETUM (vol. iv 



Pinus Montezumae 



Pinus radiata (on the highlands of the interior) 

 Pinus ponderosa (on the highlands of the interior) 

 Taxodium distichum 



Tasmania 



Pinus radiata 



Pinus pinaster 



Pinus ponderosa var. Benthamiana 



Pinus nigra var. Poiretiana 



Cedrus deodara 



Cedrus atlantica 



Cupressus macrocarpa 



Cupressus lusitanica 



Cupressus torulosa 



Picea Abies 



New Zealand 



Pinus radiata 



Pinus nigra var. Poiretiana 



Pinus ponderosa 



Pinus ponderosa var. scopulorum 



Larix decidua 



Larix Kaempferi 



Pseudotsuga taxifolia 



Cedrus atlantica 



Cedrus deodara 



South Africa where winter rainfall prevails 

 Pinus radiata 

 Pinus pinaster 

 Pinus canadensis 

 Cupressus lusitanica 

 Cupressus macrocarpa 



South Africa where summer rainfall prevails 

 Pinus longifolia 

 Pinus ponderosa var. arizonica 

 Pinus ponderosa var. macrophylla 

 Pinus patula and other Mexican species 

 Cupressus torulosa 



Natal 



Pinus longifolia 

 Pinus palustris 

 Pinus taeda 

 Pinus caribaea 

 Pinus echinata 

 Pinus glabra 



