NORTH AMERICAN PLANTS. 
19 
Cardamine, 9 
Cardiospermum 62 
Carduus, 113 
Carex, 172 
Carica, 107 
Carpinus, 50 
Carya, 54 
Cassia, 45 
Castanea, 49 
Castilleja, 131 
Catalpa, 135 
Caulinia, 168 
Eaulophyllum , see Leontice 
Ceanothus, 59 
Celastrus, 58 
Celestina, 113 
Celtis, 47 
Cenchrus, 171 
Centaurea, 113 
Centaurella, see Bartonia 
Centunculus, 127 
Cephalanthus, 115 
Ceranthera, 138 
Cerastium, 81 
Ceratiola, 57 
Ceratochloa, 171 
Ceratophyllum, 98 
Cercis, 45 
Cercocarpus, 40 
Chserophyllum, 2 
Chamseledon, 102 
Chamserops, 164 
Chaptalia, 113 
Chara, 179 
Cheilanthes, 174 
Cheiranthus, 9 
Chelone, 130 
Chelidonium, 4 
Chenopodium, 90 
Chimaphila, 102 
Chiococca, 115 
Chionanthus, 126 
Chloris, 171 
•Chondrocarpus, see Hydroco- 
tyle, 
Chrysanthemum, 113 
Chrysobalanus, 44 
Chrysocoma, 113 
Chrysogonum, 113 
Chrysosplenium, 24 
Cichorium, 113 
Cicuta, 2 
Cimicifuga, 3 
Cinna, 171 
Circsea, 31 
Cissus , see Ampelopsis 
Cladium, 172 
Clarckia, 29 
Claytonia, 83 
Clematis, 3 
Cleome, 11 
Cleomella, 11 
Clethra, 102 
Clinopodium, 138 
Clintonia, 106 
Clitoria, 48 
Clutia, 22 
Cochlearia, 9 
Collinsia, 130 
Collinsonia, 138 
Collomia, 123 
Colpodium, 171 
Comandra, 38 
Comaropsis, 41 
Comarum, 41 
Commelina, 9 
Comptonia, 53 
Conium, 2 
Conostylis, see Lophjola 
Convallaria, 161 
Convolvulus, 122 
Conyza, 113 
Coptis, 3 
Corallorhiza, 155 
Coreopsis, 113 
Corispermum, 90 
Cornus, 116 
Coronopsis , see Senebiera 
Corydalis, 10 
Corylus, 49 
Crannichis, 155 
Crantzia, 2 
Crataegus, 42 
Crinuin, 152 
Crotallaria, 45 
Croton, 55 
Crotonopsis, 55 
Cryptis, 171 
C ryptogr amma, 174 
Crypta, 82 
Cryptotaenia, 2 
Cucubalus, 81 
Cucurbita, 108 
Cunila, 138 
Cuphea, 33 
Cupressus, 143 
Cuscuta, 122 
Cyamus , seeNelumbium 
Cymbidium , see aealopogon 
Cymopterus, 2 
Cynodon, 171 
Cynanchum, 118 
Cynara, 113 
Cynoglossum, 139 
Cynoscyadum, 2 
Cynthia, 113 
Cyperus, 172 
Cypripedium, 155 
Cyrilla, 102, 
Dactylis, 171, 
Dalea, 45 
Dalibarda, 41 
Danthonia, 171 
Darlingtonia, 45 
Datisca, 56 
Datura, 132 
Daucus, 2 
Decodon, 33 
Decu maria, 26 
Delphinium, 3 
Deschampsia, 171 
Dentaria, 9 
Desmodium, 45 
Diamorpha, 85 
Dianthus, 81 
Diapensia, 124 
Dichondra, 122 
Dichroma, 172 
Dicksonia, see Aspidium 
Diclytra, 10 
Diervilla, 116 
Digitaria, 171 
Dilatris, 151 
Diodia, 115 
Dionsea, 79 
Dioscorea, 162 
Diospyros, 125 
Diotis, 90 
Diphylleia, 17 
Dipsacus, 111 
Dirca, 39 
Discopleura, 2 
Ditaxis, 55 
Dodecatheon, 127 
Dolichos, 45 
Donia, see Grindelia 
Douglassia, 127 
Draba, 9 
Dracocephalum, 138 
Drosera, 79 
Drummondia, D. C. 24 
Drummojidia, Hook, 177 
Dryas, 3 
Dupontia, 171 
Dulichium, 172 
Echinospermum, 139 
Echites, 119 
Echium, 139 
Eclypta, 113 
Eleagnus, 36 
Eleusine, 171 
Ellisia, 141 
Elodea , Mx. see Udora 
Elymus, 171 
Elytraria, 133 
Empetrum, 57. 
Enemion, 3 
Enslenia, 118 
Epiphagus, 129 
Epidendrum, 155 
Epigsea, 102 
Epilobium, 29 
Epimedium, 17 
Equisetum, 173 
Erianthus, 171 
Erigenia, 2 
Erigeron, 113 
Eriocaulon, 169 
Eriogonum, 92 
Eriocoma, 171 
Eriophorum, 172 
Eriophyllum, 113 
Ervum, 45 
Eryngium, 2 
Erysimum, 9 
Erythrina, 45 
Erythronium, 163 
Euchroma, 31 
Eulophus, 2 
Eupatorium,113 
Euphorbia, 55 
Euphrasia, 131 
Evolvulus, 112 
Eutriana, 171 
Evonymus, 58 
Eutoca, 141 
Exacum, 120 
Excecaria, 131 
Fagus 49 
Fedia, 112 
Ferula, 2 
Festuca, 171 
Fimbristylis, 172 
Fkerkea, 7 
Forestiera^seeBorya. 
Fothergilla, 126 
Fragaria, 41 
Frasera, 120 
Fraxinus, 126 
Frittillaria, 163 
Fuirena, 172 
Fumaria, 10 
Gagea, 160 
Galactia, 45 
Galardia, 113 
