LIST OF PLATES 



PLATE To face 



Scots Pine (Pinus sylvestris) at Orton, Scotland Frontispiece 



I Picea Breweriana in the Siskiyou Mountains, Oregon 



II Pinus contorta, var, Murrayana on the ridge between Kaweah 

 and King's River Canons, California .... 



III Pinus Lambertiana in California ..... 



IV Abies amabilis on Mount Rainier . . . , 

 V Greek Fir {Abies cephalonica) at Westonbirt, Gloucester 



VI Abies magnifica ........ 



VII Abies nobilis and A. amabilis at foot of Nesqually Glacier 

 Washington ........ 



VIII Wellingtonia {Sequoia gigantea) at Woburn . 



IX Chile Pine {Araucaria imbricata) ..... 



X Atlas Cedar {Cedrus atlantica) at Westonbirt, Gloucester 



XI Lawson C3^ress {Cupressus Lawsoniana) at Westonbirt, Glou 

 cester ......... 



XII Cupressus macrocarpa at Monterey, California 



XIII Fitzroya patagonica ....... 



XIV Larch {Larix europcea) at Ullapool, Scotland 

 XV Incense Cedar {Librocedrus decurrens) at Frogmore 



XVI Picea Breweriana in the Siskiyou Mountains, Oregon 



XVII Oriental Spruce {Picea orientalis) ..... 



XVIII Sitka Spruce {Picea sitchensis) at Morton Mains, Scotland 



XIX Cone of Pinus Lambertiana and of P. Ayacahuite. 



XX Pinus contorta, var, Murrayana at Westonbirt, Gloucester 



XXI Cone of Pinus Coulteri ...... 



XXII Pinus Lambertiana near Mount Shasta, California 



XXIII Scots Pine {Pinus sylvestris) at Kew .... 



XXIV Douglas Fir {Pseudotsuga Douglasii) .... 



XXV Douglas Fir {Pseudotsuga Douglasii) and Western Cedar {Thuya 

 plicala) at Victoria Park, Vancouver 



XXVI Wellingtonia {Sequoia gigantea) River Valley, Sierra Nevada 



XXVII Deciduous Cypress {Taxodium distichum) at Cassiobury Park, 

 Watford 



XXVIII Thuya plicata in State of Washington 



XXIX Western Hemlock {Tsuga Albertiana) 



XXX Eastern Hemlock {Tsuga canadensis) 



XXXI Maidenhair Tree (female), Gingko biloba, at Bath . 



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