INDEX 



DACTYLIS, G, 5 

 Dactylophyllum, F, 84 

 Daisy, F, 106, 111 

 DALEA, T&S, 59, 62 

 Damasonium, F, 4 

 DANTI IONIA, «;. s 

 Dandelion, F. 110, 123 

 Dasiphora, F, 51 

 Dasyochloa, G, 7 

 Dasystephana, F, 79 

 DATURA, F, 93 

 Daucophyllum, F, 76 

 DAUCUS, F, 75 

 Dayf lower, F, 15 

 Dead Nettle, F, 92 

 Death Camas, F, 18 

 DELPHINIUM, F, 36 

 DESCHAMPSIA, G, 8 

 DESCURAINIA, F, 40 

 Desert Dandelion, F, 119 

 Desertgold, F, 114 

 Desert Parsley, F, 75 

 Desert Peachbush , T&S, 51 

 Desertrue, T&S, 64 

 Desert Willow, T&S, 99 

 Devilsclaws, F, 99 

 DICENTRA, F, 39 

 Dichelostemma, F, 17 

 Diclytra , F, 39 

 DICORIA, F, 111 



DIGOTYLEDONEAE, F & T&S, 20 



Didiplis , F, 70 



Dieteria , F, 119 



DIGITARIA, G, 11 



Diholcos, F, 53 



Dill, F, 73 



DIMERESIA, F, 111 



Dipetalia , F, 46 



Diplopappus, F, 106 



DIPLOTAXIS, F, 41 



DIPSACACEAE, F, 101 



DIPSACUS, F, 101 



Dipterostemon, F, 17 



Disella , F, 66 



DISPORUM, F, 17 



Distegia , T&S, 100 



DISTICHLIS, G, 5 



Ditaxis, F, 64 



Ditch -grass, F, 4 



DITHYREA, F, 41 



DODECATHEON, F, 78 



Dock, F, 27 



Dodder, F, 81 



Dogbane, F, 80 



Dogfennel, F, 103 



Dogtooth Violet, F, 17 



Dogweed, F, 111 



Dogwood, T&S, 77 



Dondia , F, 30 



Douglas -fir, T&S, 3 



DOWNING IA, F, 101 



DRABA, F, 41 



andina, F, 41 



A PIC U LATA, F, 41 



ARGYRAEA, F, 41 



ARIDA, F, 41 



ASPRELLA 



KA1BABENSIS, F, 41 

 STELLIGERA, F, 41 



ASTEROPHORA, F, 41 



AUREA, F, 41 



auseiformis , F, 41 



BRACHYSTYLIS, F, 41 



BREWERI, F, 41 



caeruleomontana , F, 41 



cana, F, 41 



coloradensis, F, 41 



Columbiana, F, 41 



CRASSA, F, 41 

 CRASSIFOLIA, F, 41 



NEVADENSIS, F, 41 

 crockeri, F, 41 

 CUNEIFOLIA, F, 41 



californica, F, 41 



INTEGRIFOLIA, F, 41 

 cusickii , F, 41 

 decumbens, F, 41 

 DENSIFOLIA, F, 41 

 DOUGLASII, F, 41 



CROCKERI, F, 41 

 eurycarpa, F, 44 

 FLADNIZENSIS, F, 41 

 glacialis, F, 41 

 globosa, F, 41 

 helleri , F, 41 

 INCERTA, F, 41 

 integrifolia , F, 41 

 1 ac-vii apsuKi , I' . 4 1 

 LANCEOLATA, F, 41 

 lapilutea, F, 41 

 LEMMONNII 



INGRASSATA, F, 41 

 LONCHOCARPA, F, 41 

 luteola , F, 41 

 MAGUIREI, F, 41 



BURKEI, F, 41 

 micrantha , F, 41 

 montana, F, 41 

 mulfordae, F, 41 

 nelsonii, F, 41 

 NEMOROSA, F, 41 

 nitida, F, 41 

 NIVALIS, F, 41 



elongata, F, 41 



EXIGUA, F, 41 

 novolympica, F, 41 

 OLIGOSPERMA, F, 41 

 oreibata, F, 41 

 parryi, F, 41 

 pattersonii, F. 41 

 PAYSONII, F, 41 



TRELEASII, F, 41 

 pectinata, F, 41 

 PECTINIPILA, F, 41 

 PRAEALTA, F, 41 

 QUADRICOSTATA, F, 41 

 RECTIFRUCTA, F, 41 

 REPTANS, F, 41 



MICRANTHA, F, 41 



STELLIFERA, F, 41 

 saximontanus, F, 41 

 SOBOLIFERA, F, 41 

 SPECTABILIS, F, 41 

 SPHAEROIDES, F, 41 



CUSICKII, F, 41 

 sphaerula, F, 41 

 STENOLOBA 



NANA, F, 41 

 SUBALPINA, F, 41 

 uber , F, 41 

 unicinalis, F, 41 

 valida, F, 41 

 VENTOSA, F, 41 

 VERNA, F, 41 

 yellowstonensis, F, 41 

 ZIONENSIS, F, 41 

 DRACOCEPHALUM, F, 92 

 Dragonhead, F, 92 

 Drosace, F, 78 

 DROSERA, F, 46 

 DROSERACEAE, F, 46 

 DRYAS, F, 49 

 Dropseed, G, 9, 10 

 Drymocallis, F, 50 

 DRYOPTERIS, F, 1 

 Duckweed Family, F, 15 



DUDLEYA, F, 46 

 Dugaldea , F, 116, 117 

 Dwarf mistletoe, F, 20 

 Dysmicodon, F. 102 

 DYSSODIA, F, 111 



Earlocassia, T&S, 52 

 EATONELLA, F, 111 

 Eatonia, G, 9 

 EBUROPHYTON, F, 19 

 Echeveria, F, 46 

 ECHINOCACTUS, T&S, 69 

 ECHINOCEREUS, T&S, 69 

 ECHINOCHLOA, G, 11 

 ECHINOCYSTIS, F, 101 

 ECHINODERUS, F, 4 

 Echinomastus , T&S, 69 

 Echinopsilon, F, 29 

 Eddya , F,T8 

 Edwinia , T&S, 47 

 ELAEAGNACEAE, T&S, 70 

 ELAEAGNUS, T&S, 70 

 E LATINAC EAE , F, 67 

 ELATINE, F, 67 

 Elderberry. T&S, 101 

 ELEOCHARIS, GL, 14 

 Elephantella , F, 96 

 ELEUSINE, G, 11 

 Ellisia , F, 86 

 Elm Family, T&S, 21 

 ELODEA, F, 4 

 ELYMUS, G, 7 



AMBIGUUS, G, 7 

 STRIGOSUS, G, 7 



americanus, G, 8 



angustifolius, G, 8 



ARISTATUS, G, 7 



arizonicum, G, 7 



brachystachys, G, 7 



CANADENSIS, G, 7 



CAPUT -MEDUSAE, G, 8 



CINEREUS, G, 8 



condensatus, G, 8 



el \ mo ides , G 8 



FLAVESCENS, G, 8 



GLAUCUS, G, 7, 8 

 JEPSONI, G, 8 



hanseni, G, 8 



HIRTIFLORUS, G, 8 



HYSTRIX, G, 8 



jejunus, G, 8 



lanceolatum, G, 7 



MACOUNII, G, 8 



marginalis, G, 8 



nitidus, G, 8 



pauciflorum, G, 7 



pauciflorus, G, 7 



repens, G, 7 



riparium, G, 7 



rydbergi, G, 7 



SALINA, G, 8 



saxicola, G, 7 



saundersii, G, 7 

 californicus, G, 7 



scribneri, G, 7 



simplex, G, 8 



smithii, G, 7 



spicatum, G, 7 



striatus , G, 8 



strigosus, G, 7 



subvillosus, G, 7 



TRITICOIDES, G, 8 

 PUBESCENS, G, 8 

 SIMPLEX, G, 8 



villiflorus , G, 7 



VIRGINICUS, G, 8 

 SUBMUTICUS, G, 8 



Elyna, GL, 15 

 EMMENANTHE, F, 86. 87 

 Emplectocladus , T&S. 51 

 ENCELIA, T&S, 111 

 ENCELIOPSIS, F, 111 

 Endolepis , T&S, 28 

 English Daisy, F. 106 

 ENNEAPOGON, G, 5 

 EPHEDRA, T&S, 3 

 EPHEDRACEAE, T&S, 3 

 EPILOBIUM, F, 70 

 EPIPACTIS, F, 19 

 EQUISETAC EAE, F, 2 

 EQUISETUM, F, 2 

 ERAGROSTIS, G, 5 

 Eremalche, F. 66 

 Eremiastrum. F. 119 

 Ereminula. F. Ill 

 Eremocarya, F. 89 

 EREMOCRINUM, F, 17 

 Eremolithia, F, 34 

 ERIASTRUM, F, 82 

 ERICACEAE, T&S, 78 

 Ericameria 



bloomeri, F, 115 

 cervinus, F. 115 

 cooperi. F, 115 

 nana , T&S, 116 

 paniculata, F, 109 

 tertifolius , F. 109 

 ERIGERON, F, 111 

 ABAJOENSIS, F, 111 

 accedens, F, 112 

 ACRIS, F, 111 



ASTEROIDES, F, 111 

 DEBILIS, F, 112 

 algidus, F. 113 

 ambiguus, F, 113 

 andersonii, F, 105 

 angustifolius, F, 113 

 APHANACTIS, F, 112 



CONGESTUS, F, 112 

 apiculatus , F, 113 

 ARENARIOIDES, F, 112 

 arenarius, F. 112 

 ARGENTATUS, F, 112 

 ASPERUGINEUS, F, 112 

 asteroides, F, 111 

 austinae, F, 112 

 bakeri, F, 113 

 BELLIDIASTRUM, F, 112 

 BLOOMERI, F, 112 

 BREWERI, F, 112 



PORPHYRETICUS, 

 F, 112 

 CAESPITOSUS, F, 112 

 anactis , F, 113 

 laccoliticus, F. 112 

 nauseosus, F, 113 

 callianthemus, F, 113 

 canadensis, F, 110 



glabratus , F, 110 

 canescens, F, 112 

 CANUS, F, 112 

 CHRYSOPSIDIS, F, 112 



AUSTINAE, F, 112 

 cinereus, F, 112 

 CLOKEYI, F, 112 

 COMPACTUS, F, 112 



CONSIMILIS, F, 112 

 COMPOSITUS, F, 112 



breviradiatus, F, 112 

 DISCOIDEUS, F, 112 

 GLABRATUS, F, 112 

 incertus, F, 112 

 multifidus , F, 112 

 petraeus, F, 112 

 submontanus, F, 112 

 trifidis, F, 112 



147 



