6.

Cherry, Cornelian, 111.

Chestnut, 160.

Chestnut-oak, 154, 155.

Chickasaw Plum, 98.

Chile Pine, 190.

China-tree, 75.

Chinese Arbor-vitae, 194.
Cedrela, 76.
Cork-tree, 74.
Honey-locust, 96.
Parasol, 72.
Sumac, 91.
White Magnolia, 65.

Chinquapin, 160.

Chionanthus, 126.

Choke-cherry, 100.

Cilician Silver Fir, 186.

Cladrastis, 93.

Clammy Locust, 94.

Clerodendron, 129.

Clethra, 117, 118.

Club, Hercules', 109.

Cockspur Thorn, 104.

Coffee-tree, Kentucky, 95.

Colchicum-leaved Maple, 87.

Compositae, 115.

Coniferae, 170.

Cork-bark Maple, 87.

Cork Elm, 134.

Cork-tree, Chinese, 74.

Cornaceae, 110.

Cornel, 111, 112.

Cornelian Cherry, 111.

Cornus, 110-112.

Corsican Pine, 175.

Corylus, 149.

Cottonwood, 169.

Cow-oak, 154.

Crab-apple, 101.

Crack-willow, 163.

Cranberry-tree, 114.

Crape-myrtle, 109.

Crataegus, 103-106.

Crisped-leaved Elm, 134.

Cryptomeria, 198.

Cucumber-tree, 63, 64.

Cunninghamia, 191.

Cupuliferae, 144.

Custard-apple Family, 68.

Cut-leaved Birch, 146.
Alder, 148.

Cypress, Bald, 192.
Lawson's, 196.
Nootka Sound, 195.
Southern, 192.

Dahoon Holly, 77.

Date-plum, 120.

Deodar Cedar, 190.

Devil-wood, 125.

Diospyros, 119, 120.

Dogwood, Flowering, 111.
Poison, 90.

Dotted-fruited Hawthorn, 106.

Double Spruce, 179.

Downy-leaved Poplar, 169.

Dwarf Chestnut-oak, 155.

Dwarf Mountain Sumac, 90.

Ear-leaved Umbrella-tree, 64.

Eastern Spruce, 181.

Ebenaceae, 119.

Ebony Family, 119.

Elaeagnaceae, 131.

Elaeagnus, 131, 132.

Elder-leaved Mountain Ash, 102.

Elder, Poison, 90.

Elm, American, 135.
Cork, 134.
Crisped-leaved, 134.
English, 134.
Field, 134.
Kiaka, 136.
Red, 134.
Rock, 134.
Scotch, 134.
Slippery, 134.
Wahoo, 135.
Weeping, 134.
White, 135.
White-margined, 134.
Winged, 135.
Witch, 134.

English Elm, 134.
Cherry, 99.
Hawthorn, 104.
Maple, 87.
Oak, 158.
Walnut, 141.

Ericaceae, 116.

Euonymus, 78.

Euphorbiaceae, 132.

Fagus, 160, 161.

Fate-tree, 129.

Field Elm, 134.

Figwort Family, 127.

Filbert, 149.

Fir, Balsam, 183, 184.
Cephalonian Silver, 1