Very common on the eastern slopes of the Oakland Hills. A shrub four to six feet high.

Salix (four species.) Willow.

Wet grounds everywhere, six to twenty feet high.

Populus tremuloides Michx. Aspen.

A medium sized tree on the banks of Walnut Creek.

Torreya Californica Torr. California Nutmeg Tree.

A large tree with long spreading branches, and rather smooth bark. Wood valuable; rare, on banks of Papermill Creek, Marin County.

Sequoia sempervirens Endl. Redwood.

A very large tree, forming small groves on the northern slopes of hills in Marin County, and on the eastern slopes of the Oakland hills.

Pinus insignis Dougl.