vesca, _var._ Americana, Michx. _Chestnut_ 72-74

Cat spruce. (Picea alba, Link) 16-18

Cedar, Arbor vitae. White cedar. (Thuja occidentals, L.) 23,24
Red cedar. Savin. (Juniperus Virginiana. L.) 26-28
White cedar. (Chamaecyparis sphaeroidea, Spach) 25,26

Celtis occidentalis. L. _Hackberry, Nettle tree, Hoop ash,
Sugar berry_ 100-102

Chamaecyparis sphaeroidea. Spach. White cedar 25,26

Cherry. (Primus Avium, L.) 128
Chokecherry. (Prunus Virginiana, L.) 125,126
Rum, Black cherry. (Prunus serotina, Ehrh.) 127,128
Wild red, Pin, Pigeon, Bird cherry Prunus Pennsylvania, L. f. 124,125

Cherry birch. (Betula lenta, L.) 61,62

Chestnut. (Castanea sativa, _var_. Americana, Watson & Coulter) 72-74

Chestnut oak. (Quercus Muhlenbergii, Engelm.) 84,85
(Quercus prinus, L.) 82-84

Chinese sumac. (Ailanthus glandulosus, Desf.) 133

Chokecherry. (Prunus Virginiana, L.) 125,126

Clammy locust. (Robinia viscosa, Vent.) 132

Cockspur thorn (Crataegus Crus-Galli, L.) 117, 118, 171

Conifer family, (=Pinoideae=) 1-28

Cork elm. (Ulmus racemosa, Thomas) 99,100

=Cornaceae.= (Dogwood family) 150-160
Cornus alternifolia, L, f. _Dogwood, Green osier_ 157, 158
florida, L _Flowering dogwood, Boxwood_ 156, 157
Nyssa sylvatica. Marsh. _Tupelo, Sour gum, Pepperidge_ 159, 160

Cottonwood (Populus deltoides, Marsh.) 34, 35
(Populus heterophylla. L.) 33, 34

Crack willow. (Salix fragilis, L.) 43-45

Crataegus Arnoldiana, Sarg. _Thorn_ 121
coccinea, L. _Thorn_ 118, 119
coccinea, _var._ mollis, T. & G. _Thorn_, 120, 121
Crus-Galli, L. _Cockspur thorn_ 117, 118, 171
mollis, Scheele _Thorn_ 120, 121
punctata, Jacq. _Cockspur thorn_ 118
submollis, Sarg. _Thorn_ 121
subvillosa, Schr. _Thorn_ 120, 121

=Cupressaceae.= (Pinoideae) 23-28
Cupressus 25, 26
Juniperus 26-28
Thuja 23, 24

Cupressus thyoides, L. _White cedar_ 25, 26

D

Diospyros Virginiana, L. _Persimmon_ 160-162

Dogwood family. (=Cornaceae=) 156-160

Dogwood (Rhus vernix, L.) 136, 137
Flowering dogwood (Cornus florida, L.) 156, 157
Green osier (Cornus alternifolia, L. f.) 157, 158

Double spruce (Picea nigra, Link) 12-14

=Drupaceae.= (Plum family) 122-128
Prunus Americana, Marsh. _Wild plum_ 123, 124, 171
Americana, _var._ nigra, Waugh. _Wild, Red, Horse,