Index 



Coriander, 193 

 Coriandrum, 193 

 Corn Cockle, 117 



Flower, 279 



Salad, 248 



CORNACEAE, 194 



Cornus, 194 

 Coronopus, 129 

 Corrigiola, 114 

 Corydalis, 127 

 Corylus, 98 

 Cosmos, 273 

 Cotton Grass, 56 



Rose, 266 

 Cottonwood, 96 

 Cowbane, Spotted, 191 

 Cow-herb, 118 

 Cow Parsnip, 193 



Pea, 159 



Wheat, 237 

 Cowslip, Brandywine, 

 217 



Virginia, 217 

 Crab Apple, 138 

 Cranberry, 200 



Large, 201 

 Crane-fly Orchis, 93 

 Cranesbill, 162 

 Crasstjlaceae, 135 

 Crataegus, 140 



apposita, 141 



arcana, 141 



arcuata, 141 



Canbyi, 140 



coccinea, 141 



cordata, 141 



Crus-galli, 140 



cuprea, 141 



delawarensis, 141 



disperma, 140 



foetida, 141 



intricata, 141 



macrosperma, 141 



monogyna, 142 



nemoralis, 141 



Oxyacantha, 142 



parvijolia, 140 



pausiaca, 140 



pedicellata, 141 



pennsylvanica, 141 



Pennypackeri, 140 



phaenopyrum, 141 



populifolia, 141 



populnea, 141 



(Crataegus) 



pruinosa, 141 



punctata, 140 



stolonifera, 141 



straminea, 141 



Tatnalliana, 141 



tenella, 141 



tomentosa, 142 



uniflora, 142 



viridis, 140 

 Creeper, Trumpet, 240 



Virginia, 172 

 Crepis, 283 

 Cress, Bitter, 132 



Field, 128 



Garden, 128 



Marsh, 131 



Mouse-ear, 131 



Penny, 128 



Rock, 133 



Spring, 132 



Wart, 129 



Water, 131 



Winter, 132 

 Cross-vine, 240 

 Crotalaria, 149 

 Croton, 165 

 Crotonopsis, 165 

 Crowfoot, 120 



Cursed, 121 



Small-flowered, 121 



Stiff Water, 121 



Wood, 121 

 Crownbeard, 271 

 Cruciferae, 128 

 Cryptotaenia, 192 

 Cubelium, 179 

 Cucumber, 249 



One-seeded, 249 



CUCURBITACEAE, 249 



Cud-weed, Low, 267 



Purple, 268 

 Culver's Root, 234 

 Cunila, 225 

 Cuphea, 184 



Clammy, 184 

 Curly-grass Family, 2 

 Currant, 136 



Indian, 247 



Wild Black, 136 

 Cuscuta, 213 



arvensis, 213 



campestris, 213 



compacta, 213 



(Cuscuta) 

 Coryli, 213 

 Epilinum, 213 

 Gronovii, 213 

 obtusiflora, 213 

 pentagona, 213 

 Polygonorum, 213 



Cut-grass, Rice, 35 



Cymbalaria, 230 



Cynodon, 33 



Cynoglossum, 215 



Cynosurus, 24 



Cynthia, 280 



Cyperaceae, 47 



Cyperus, 47 

 compressus, 48 

 cylindricus, 50 

 dentatus, 48 

 diandrus, 48 

 dipsaciformis, 50 

 Engelmanni, 49 

 erythrorhizos, 49 

 esculentus, 49 

 ferax, 49 ' 

 filicinus, 48 

 filiculmis, 50 

 flavescens, 48 

 flavescens, 48 

 Grayii, 50 

 hystricinus, 49 

 lancastriensis, 49 

 microdontus, 48 

 Nuttallii, 48 

 odoratus, 49 

 ovularis, 50 

 Plukenetii, 50 

 poaeformis, 48 

 polystachyos, 48 

 pseudovegetus, 48 

 refractus, 49 

 retrofractus, 49 

 retrofradus, 50 

 retrorsus, 50 

 rivularis, 48 

 rotundus, 48 

 sabulosus, 48 

 strigosus, 49 

 tenuifolius, 47 

 virens, 48 



Cypress, Bald, 11 

 Standing, 214 



Cypripedium, 88 



Cystopteris, 6 



Cytisus, 149 



[296] 



