INDEX. 



289 



Chimaphila -9t6 



Chinese thistle 257 



Chlorideae 20 



Chokecherry 132 



Chrysanthemum 262 



Chrysopsis 271 



Chrysothamnus 259 



Cicuta 182 



Cinna 24 



Circaea 169 



Cirsium 259 



Clarkia 171 



Claytonia 93 



Cleavers 233 



Clematis 103 



Cleome 123 



Clintonia 63 



Clover 146 



Alsike 147 



Rabbit's ear 147 



Red 147, 148 



Sweet 149 



White 147 



Cockle, Corn 95 



Cow 96 



Cocklebur 256, 257 



Cogswellia 179 



Coleosanthus 258 



Collinsia 223 



Collomia 201 



Coltsfoot, Sweet 252 



Comandra 80 



Comarum 141 



Common flax 156 



plantain 232 



COMPOSITAE 241 



CONVOLVULACEAE 196 



Convolvulus 196 



Coptis Ill 



Coral root 68 



Corallorhiza 68 



Coreopsis 276 



Coriospermum 88 



Corn chamomile 263 



cockle 95 



CORNACEAE 184 



Cornus 185 



Cotton-wood 76 



Couch grass 40 



Cause 180 



Cow cockle 96 



parsnip 179 



Cranberry, High-bush 236 



CRASSULACEAE 124 



Crataegus 133 



Crepis 250 



Cress, Bitter 115, 120 



Cress Penny 123 



Rock 115 



Crocidium 275 



Crowfoot, Water 105 



CRUCIFERAE 113 



Cryptanthe 209 



Cudweed 252 



Currant 125 



Golden 126 



Cuscuta 196 



CUSCUTACEAE 196 



CYPERACEAE 42 



Cyperus 49 



Cypripedium 68 



Cytherea 69 



Dactylis 33 



Daisy, Oxeye 262 



Dandelion 248 



Datura ,. 218 



Death camas : 62 



Delphinium 108 



Deschampsia 28 



Devil's club 175 



Dewberry 136 



DlCOTYLEDONES 72 



DlPSACACEAE 239 



Dipsacus 239 



Disporum 64 



Dock 83 



Yellow 84 



Dodder 196 



Dodder family 196 



Dodecatheon 190 



Dogbane 194 



Dog fennel 263 



Dogwood 185 



Dogwood family 184 



Draba 121 



Dracocephalum 215 



Drymocallis 142 



Duckweed family 53 



Dutchman's breeches. . . 112 



Echinochloa. . . . 

 Echinopanax. . . 

 ELATINACEAE. . . 



Elatine 



Elder 



Eleocharis 



Elm family 



Elymus 



English plantain . 



Epilobium 



Epipactis 



EQUISETACEAE . . 

 EQUISETINEAE . . 



20 



175 



164 



164 



235 



50 



78 



40 



233 



170 



72 



5 



5 



