INDEX. 



379 



Coreopsis palmata 130 



tinctoria 94, 302 

 Corethrogyne filaginifolia 193 

 Corispermum hyssopifolium 262 

 Cornua 180 



amomum 189, 210 



asperifolia 189 



canadensis 219 



Duttallii 219 



stolonifera 182, 188 

 Corj'lus americana 188 



rostrata 189, 213 

 Cowania 181, 182 



mexicana 181, 182, 183, 185, 186 

 Crassulaceae 60 

 Crataegus coccinea 188 

 Crepis intermedia 214, 290. 292 



occiden talis 214 

 Cresaa 257 



truxillensia 84 

 Ciocus 60 



Crotolaria lupulina 202 

 Croton corymbulosus 303 



texensis 302 

 Cryptanthe angustifolia 176 



pterocarya 176 

 Cupressus 205 



goveniana 211 

 Cuscuta 61 



Cyanocitta s. frontalis 56 

 Cyathea 61 

 Cycas 61 



Cyclamen 59, 60, 61 

 Cycloloma platyphyllum 94, 262 

 Cyperaceae 230 

 Cyperus alternifolius 88 

 Dactylis glomerata 287 

 Dalbergia sissoo 16 

 Dalea 166, 171 



emoryi 171 



laxiflora 130, 148, 299 



schottii 171 



scoparia 170 



spinosa 90, 171, 174 

 Danthonia 230, 303 



californica 287 



intermedia 287 

 Dasjlirium 165, 167, 171, 286, 300, 328 



texanum 291 



wheel eri 291 

 Daucus puaillus 176, 303 

 Delphinium carolinianum 51 



dedonim 214 



hesperium 193 



parry i 193 



penardi 109 



scaposiim 176 



scopulorum 160, 187 

 Dendromecum rigidum 191 

 Deschampoia oaeapitosa 230, 232, 287 

 Desmanthufl jamesii 149 

 Desmodium batocaule 202 

 Dicentra formosa 219 

 DioBOorea 61 

 Dipodomys deserti 90 

 Disporum majus 221 



smithii 219 

 Distichlis 12, 84, 257 



spicata 84. 170, 287 

 Dodecatheon alpinus 236 



clevelandii 193 



Dondia 110, 172 



moquinii 84, 170 



sufTrutescens 84 

 Douglaaia nivalis 234, 236 

 Draba aurea 187, 226, 236 



breweri 234 



caroliniana 130, 199, 302 



helleriana 361 



nivalis 234, 236 



streptocarpa 226, 234 

 Dracaena 60 

 Draperia systyla 214 

 Dry as 61 



octopetala 234, 236 

 Dugaldia hoopesii 25 

 Dyssodia papposa 302 

 Echinochloa crus-galli 287 

 Echinopanax horridum 219 

 Eichhornia 61 

 Elaeagnus 189 



argentea 181, 182, 188 

 Elymus 110, 133. 134. 256, 281 



canadensis 132. 134, 287 



condensatus 151, 160, 287 



sitanion 115. 149. 150, 151, 160, 287 



triticoides 187, 287 



virgin icua 190 

 Elyna 230, 232 



bellardi 232, 233, 235 

 Empetrum 58 

 Encelia 165. 166 



farinosft 171, 172, 300 



frutescens 171 

 Ephedra 61, 162, 164, 166, 166, 168, 170, 174. 

 277 



nevadensis 171 



torreyana 168, 169, 170 



trifurca 171 

 Epilobium 93 



alpinum 236 



anagallidifolium 236 



homemannii 236 



paniculatum 187, 304 



spicatum 93, 219, 353 

 Equisetum 28, 44, 59, 61, 87 



arvense 79. 130 



hiemale 130 



levigatum 130, 289 

 Eragrostis 61 



cynosuroides 17 



major 287, 302 



neo-mexicana 176 



pectinacea 94 



pilosa 176, 287, 302, 303 

 Eremiastnun bellidioidea 176 

 EremocarpuB setigerus 94, 304 

 Eriantlius ravennae 16 

 Erigeron 50, 106, 129 



acris 93 



asper 187, 210 



breweri 214 



canadensis 27, 94. 187, 262, 302 



canus 160 



compositus 234 



corymbosus 152 



divergens 302 



elatior 226 



flagellaris 109, 187 



glandulosuB 187. 210 



leionterus 234 



pumilus 160 



