85.
Cilician Silver, 186.
European Silver, 187.
Fraser's Balsam, 184.
Great Silver, 185.
Japan Silver, 184.
Noble Silver, 187.
Nordmann's Silver, 184.
Pinsapo, 186.
Scotch, 177.
Siberian Silver, 185.
Silver, 184-187.
Southern Balsam, 184.
White, 186.

Flowering Ash, 125.
Dogwood, 111.

Four-winged Silverbell Tree, 121.

Fraser's Balsam-fir, 184.

Fraxinus, 122-125.

French Tamarisk, 69.

Fringe-tree, 126.

Garden Plum, 99.
Red Cherry, 99.

Garland Crab-apple, 101.

Giant Arbor-vitae, 194.
Tree Lilac, 126.

Ginkgo-tree, 201.

Gleditschia, 95, 96.

Goat-willow, 166.

Golden-chain, 92.

Golden Larch, 189.

Gordonia, 70.

Gray Birch, 145, 146.
Pine, 178.
Willow, 167.

Great Laurel, 117.

Great-leaved Magnolia, 64.

Great Silver Fir, 185.
Tree of California, 192.

Green Ash, 123.

Groundsel-tree, 115.

Gum, Black, 112.
Sour, 112, 113.
Sweet, 108.

Gymnocladus, 95.

Gymnospermae, 170.

Hackberry, 136.

Hackmatack, 188.

Halesia, 121.

Hamamelideae, 107.

Hamamelis, 107.

Hatchet-leaved Arbor-vitae, 194.

Haw, Black, 114.
Summer, 106.
Yellow, 106.

Hawthorn, Black, 106.
Dotted-fruited, 106.
English, 104.
Pear, 106.
Tall, 105.

Hazel, 149.

Hazelnut, 149.

Heart-leaved Alder, 148.
Willow, 165.

Heath Family, 116.

Heavy-wooded Pine, 174.

Hemlock, Common, 182.
Ground, 199.
Japan, 182.
Mountain, 182.

Hercules'-Club, 109.

Hibiscus, 71.

Hickory, Big Shellbark, 142.
Broom, 143.
Shagbark, 142.
Shellbark, 142.
Swamp, 143.
White-heart, 142.

Himalayan Spruce, 181.

Hoary Alder, 147.

Holly, 77.

Holly Family, 77.

Honey-locust, 95, 96.

Honeysuckle Family, 113.

Hop-hornbeam, 150.

Hop-tree, 74.

Hornbeam, 151.

Horse-chestnut, 81, 82.

Horse-sugar, 122.

Hovenia, 80.

Idesia, 67.

Ilex, 77, 78.

Ilicineae, 77.

Imperial Paulownia, 127.

Indian Bean, 128.
Cedar, 190.

Irish Juniper, 199.

Iron-wood, 150.

Japan Arbor-vitae, 196.
Cedar, 198.
Hemlock, 182.
Larch, 188.
Lilac, 126.
Magnolia, 65.
Maple, 88.
Persimmon, 120.
Planer-tree, 136.
Pine, 176.
Podocarpus, 201.
Silver Fir, 184.