When we force our way into the depths of the forests, following any of the rivers back to their fountains, we find that the bulk of the woods is made up of the Douglas spruce (Pseudotsuga Douglasii), named in honor of David Douglas, an enthusiastic botanical explorer of early Hudson's Bay times. It is not only a very large tree but a very beautiful one, with lively bright-green drooping foliage, handsome pendent cones, and a shaft exquisitely straight and regular. For so large a tree it is astonishing how many find nourishment and space to grow on any given area.