Sentence Examples with the word douglas fir

Some of these are: Jack pine (Pinus Banksiana), Rocky Mountain pine (Pinus flexilis), black pine (Pinus Murrayana), white spruce (Picea alba), black spruce (Picea nigra), Engelman's spruce (Picea Engelmanni), mountain balsam (Abies subalpina), Douglas fir (Pseudotsuga Douglasii), mountain larch (Larix Lyallis).

The Puget Sound Basin and the neighbouring slopes of the Cascade and Olympic Mountains are noted for their forests, consisting mainly of giant Douglas fir or Oregon pine (Pseudotsuga Douglasii), but containing also some cedar, spruce and hemlock, a smaller representation of a few other species and a dense undergrowth.

On the westward slopes, especially of the Selkirks and Coast Ranges, vegetation is almost tropical in its density and luxuriance, the giant cedar and the Douglas fir sometimes having diameters of 10 ft.

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From the coast to the eastern base of the Cascade Mountains the state is heavily timbered, except in small prairies and clearings in the Willamette and other valleys, and the most important tree is the great Douglas fir, pine or spruce (Pseudotsuga Douglasii), commonly called Oregon pine, which sometimes grows to a height of 300 ft., and which was formerly in great demand for masts and spars of sailing-vessels and for bridge timbers; the Douglas fir grows more commercial timber to the acre than any other American variety, and constitutes about five-sevenths of the total stand of the state.