Eriogonum, 149, 166.

Erythronium, 23, 31.

Farm lands of Washington and Oregon, 24, 25.

Ferns, 149, 160; Woodwardia, 149; Pteris, 150; Pellæa, five species of, 151; Cryptogramme, 151; Phegopteris, 151; Cheilanthes, three species of, 152;

Adiantum, two species, 152.

Fir. See Silver fir.

Floods, 256.

Floral cascades, 159.

Flower beds of the Sierra, 142.

Flowers, of pine, spruce, fir, and hemlock, 168, 169; sequoia, 284.