C Caltha, 91 leptosepala, 104 Calypso, 57 Campanula, rotundifolia, 274 uniflora, 273 CAMPANULACEÆ, 273 Campion, Moss, 82 Capnodes aurea, 111 CAPRIFOLIACEÆ, 264 Cardamine, 112 pennsylvanica, 118 CARDUACEÆ, 283 Carduus, 285 Kelseyi, 321 undulatus, 321 CAROPHYLLACEÆ, 81 Cassiope, 212 Mertensiana, 215 Castilleja, 248 lanceifolia, 258 miniata, 258 pallida, 257 purpurascens, 256 Catchfly, Lyall’s, 83 Cedar, Giant, 33 Shrubby Red, 33 CELASTRACEÆ, 184 Celery Family, 201 Cerastium, 82 arvense strictum, 84 behringianum, 85 Chamænerion, 193 angustifolium, 194 latifolium, 194 Cheilanthes, 4 Féei, 8 Cherry, Western Wild, 167 Chickweed, Alpine, 85 Field, 84 Chicory Family, 275 Chimaphila, 207 umbellata, 211 Chiogenes, 221 hispidula, 224 Christmas-green, Trailing, 20 Chrysanthemum, 285 leucanthemum, 315 Chrysopsis hispida, 286 Chrysosplenum, 129 tetrandum, 130 CICHORIACEÆ, 275 Cinquefoil, Alpine, 161 Cut-leaved, 160 Marsh, 159 Shrubby, 157 Snowy, 160 Circæa, 193 alpina, 197 pacifica, 198 Claytonia, lanceolata, 80 parviflora, 81 Clintonia, 46 uniflora, 46 Club-moss, Alpine, 21 Arctic, 20 Family, 18 Fir, 18 Stiff, 19 Cœloglossum, 55 bracteatum, 63 Collinsia, 248 parviflora, 249 Small, 249 Coltsfoot, Arctic, 314 Arrow-leaved, 213 Palmate-leaved, 312 Columbine, Small Blue, 105 Western, 106 Yellow, 106 Comandra, livida, 74 pallida, 74 Northern, 74 Pale, 74 Comarum, 151 palustre, 159 CONVALLARIACEÆ, 45 Coral-root, Early, 56 Large, 57 Corallorhiza, 54 Corallorhiza, 56 multiflora, 57 CORNACEÆ, 205 Cornus, canadensis intermedia, 205 stolonifera, 206 Corydalis, Golden, 111 Cranberry, Mountain, 224 Small, 225 Tree, Few-flowered, 266 CRASSULACEÆ, 125 Crepis, 276 elegans, 281 nana, 280 Cress, Drummond’s Rock, 120 Hairy Rock, 119 Lyall’s Rock, 120 Northern Rock, 123 Pennsylvania Bitter, 118 Penny, 117 Stony Rock, 119 Water, 124 Crowberry, Black, 183 Family, 183 Crowfoot, Creeping, 103 Ditch, 99 Family, 90 White Water, 97 Cryptogramma, 4 acrostichoides, 7 Stelleri, 8 Currant, Howell’s, 149 Cypripedium, 54 parviflorum, 55 passerinum, 55 Cytherea, 54 bulbosa, 57