4-—DEVELOPED BY SEMI-TROPIC HEAT. 
The fourth factor necessary, it is found, for the 
production of largest growths, is a high degree of 
heat, of which the Puget Sound region lacks suffi¬ 
cient for some plants, although many of her trees, 
such as the Noble, Grand, and Amabilis firs, and 
the very valuable Gigantic Cedar, or Shingle tree, 
became monsters, and the Douglas Spruce, one of 
the most valuable timber trees on the earth, be¬ 
comes in Oregon and Washington the tallest trees 
known, 450 to probably 480 feet high! 
This necessary heat is found under the semi¬ 
tropic sun in the latitude of California. This heat 
added to the enclosed condition of the state—the 
high Sierra on one side, the lower Coast Range on 
the other admitting the ocean breezes through its 
passes, and with low interlocking ranges at each 
end—furnishes just the right conditions, it seems, 
for strongest allurement to enter and for highest 
development afterward, for here only, in this cul- 
de-sac of California, are found the largest cone¬ 
bearing trees on earth, .of some nine different 
genera; and here only are found the largest and 
heaviest cones of sixteen different species! 
Is it not passing strange that out of the twenty 
pines of Europe and Asia, and the twelve pines of 
the eastern states, not one should develop cones as 
large as either one of five pines in California ? 
TRIBUTE TO CAEIFORNIA CEIMATE. 
The great truth is forced upon the attention that 
it is California that was set apart from all the 
world, when, as the geologists tell us, the Pacific 
