.630 



INDEX 



Anthemi 390 



arvensis 301 



Cephalanthi 301 



Coryli 391 



cuspidata 300 



glomerata 390 



gracilis 390 



indecora 391 



megalocarpa 391 



paradoxa 390 



platteasis 391 



Polygonorum 391 



umbellatBr 391 



CUSCUTACEAE 389 



Cycloloma 1 64 

 atriplicifolium 164 



platypkyllum 164 



Cymopterus 369 



acaulis 359 



alpiniis 354 



Fendleri 360 



dbapensis ' 359 



lapidosus 360 



montanits 357 



Newberryi 360 



Parryi 359 



Cynomarathrum 364 



Eastwoodae 365 



Nuttallii 365 



Cyperaceae 84 



Cyperus 84 



aristatus 85 



fiUculmis 85 



inflexus 85 



-. Schweinitzii 85 



Cypripedium 123 



Knightae 123 



parviflorum 123 



Cyrtorhyncha 203 



neglecta 203 



ranunculina 203 



Cystopteris 21 



fragilis 21 



Dactylis 68 



glomerata 68 



Daisy 530, 565 



Oxeye 565 



Wyoming 530 



Daisy Fleabane 529 



Dalea 297 



Dandelion 600 



Common 600 



Danthonia 62 



californica 62 



intermedia 62 



Parryi 62 



sericea 63 



spicata 1 62 



unispicata 62 



Darnel 79 



Dasiophora 251 



fruticosa 251 



Datura 436 



meteloides 437 



Stramonium. 437 



Tatula 436 



ray Flower 107 



Delphinum 192 



cdbesccTis 193 



alpestre 194 



azureum 193 



Barheyi 194 



bicolor 193 



camporum 193 



carolinianum 193 



Cockerellii 194 



cucullatmn 194 



dumetorum 193 



elongalum 194 



Geyeri 193 



glaucescens 194 



mulHilorum 194 



Nelsonii 192 



P&nhardii 193 



guerceUyrum 194 



ramosum 194 



reticulatum 194 



robustum. 193 



sapellonis 193 



scaposum 193 



scopulorum 193 



strictum 192 



subalpinum 194 



Deschampsia 60 



caespitosa 60 



elongata 60 



Desert Juniper 30 



Deyeuxia 58 



Dicentra 206 



uniflora 206 



Dicoria 540 



Brandegei 541 



Diplachne 66 



acuminata 66 



fasdcularis 66 



Diplopappus 522 



ericaefolius 522 



Disporum 120 



trachycarpum 120 



Distegia 471 



Distichlis 68 



spicata 68 



Ditaxis . 308 



humilis 308 



Dock 153 



Curled 154 



Dodder 390 



Family 389 



podecathieon 375 



conjugens 376 



Cusickii 376 

 cylindrocarpwn 



376 



multifiorum 376 



p^uciflorum. 376 



philoscia 376 



puheridentum 376 



pvherulum 376 



pulchrum 376 



radicatum 376 



salinum 376 



sinuatum 376 



vidgare 376 



Dogbane Family 385 



Dog Fennel 564 



Dogtooth Violet 116 



Dogwood 366 



Family 365 



Dondia 170 



erecta 170 



Moquina 170 



poor-weed 1 58 

 Double Bladdei- Pod 

 217 



Douglasia 373 



biflora 374 



Johnstonii 374 



montana 374 



Douglas Spruce 29 



Draba 220 



alpina 223 



andina 222 



aurea 223 



aureiformis ■ 224 



Bakeri 223 



cana ,223 



caroliniana ,221 



;chrysantha 223 



coloradensis 222 



crassifolia 221 



cuneifolia 222 



decumhens 224 



densifolia 222 



glaciaiis 223 



graminea 223 



Helleriana 223 



incana 223 



lapilutea 222 



lutea 223 



luteola 223 



mongollonica 221 



montana 222 



nemorosa 222 



neo-mexicana 223 



nitida 221 



oligosperma; 222 



oxyloba 223 



Parryi 221 



reflexa 222 



saxim.ontana 222< 



spectabilia 223 



stellata 222 



stenoloba 221 , 



streptocarpa 223 



surculifera 223 



vber ,223 



' ventosa 222 

 Yellowstonensis 



222 



Dracocephalum 428 



parviflorum 429 



Dragon-head 428 



: False 429 



Drop-seed 61 

 Drop-seed Grass 



, . 54, 



Drosace 374 . 



carinata 374 



Drupaceae 269 



Dryas 250 



octopetala 250 



Drymocallis 253 



arguta 253 



convallaria > 253 



'■ fissa 253 



glandulosa 253 

 glutinosa 254 



pseudorupestris 



253 



Dryopteris 21 



fllix-mas " 21 



Duckweed 106 



Family 105 



Greater 107 



Dugaldia 561 



helenioides .562 

 Hooperii 561 



Dusky Willow .131 



pysodia 563. 



, aurea 563 



chrysan themoides 



563 

 papposa 563 



Eatonia 66 



' obtusata 67 



pennsylvanica 67 



Echinacea , < • >643 



Echinocactus 327 



glaucus 327 



Simpsonii 327 



Whipplei 328 



Echinocereus 328 



aggregatus 329 



; Fendleri 328 



' gOnacanthus 328 



I Eoemeri 329 



viridiflorus 328 



Echinochloa 44 



Crus-galli 44 



Echinocystis 472 



, lobata 472 



Echinospennum 41 1 



itoribundum . . 412 



Redowskii 41 3 



Edwinia 244 



EI/AEAGANACEAE ^ 



331 



Elaeagnus '331 



argentea 331 



Elatinaceae 319 



Elatine 319 



■ americana 319 



Elder 468 



Eleocharis 87 



acicularis 88 



atropurpurea 87 



olivacea , 87 



ovata 88 



palustris 87 



rostellata 88 



[ tenuis ; , < SS 



, thermalis , , 87 



Elephantella -457 



' groenlandica 457 



Ellisia ' ^ 407 



Elm. Family 143 



Elymus . 82 ; 



ambiguus 83 



brackystachys 82 



canadensis 82 



