Heathworts, 23, 147.

Hemlock, mountain, 125, 170.

Home-going, 98.

Honeysuckle, 142, 147.

Hooker, Sir Joseph, 33.

Hothouses, natural, 161.

Hot springs, 38, 41, 43, 54.

Huckleberries, 24.

Hulsea, 167.

Hunters and trappers, 51, 58.