INDEX. 



Synonyms are printed in italics ; names of families and larger groups in CAPITALS. 



Abies, 



A bies, 



Abronia, 



Acer, 



ACERACEAE, 



Ace rates, 



Achillea, 



Aconitum, 



Actaea, 



Actaea, 



ActDiella, 



Adenocaulon, 



Adenostegia, 



Adianlum, 



Adoxa, 



ADOXACEAE, 



Agastache, 



Agoseris, 



Agrimonia, 



Agropyron, 



Af^ropyriim, 



Agrostemma, 



Agrostis, 



Affroslis, 



Aira, 



Alisma, 



ALISMACEAE, 



AUionia, 



Allium, 



Allocarya, 



Alnus, 



Alopecurus, 



Alopfcurus, 



ALvSINACEAE, 



Alsine, 



Al.sine, 



AMARANTHACEAE, 136 



Amaranthus, 136 



Ambrosia, 366, 452 



Ambrosia, 452 



AMBOSIACEAE, 451 



Amelanchier, 228 



Amellus, 380, 383 



A m m ogelo n , 456 



Atnmophila, 37 



ANACARDIACEAE, 268 



Anaphalis, 415 



Andropogon, 19 



Androsace, 303 



Anemone, 158 



Anemotie, 159 



Angelica, 284 



Anogra, 279 



Antennaria, 408 



Anthericum, 99 



Aphyllon, 366, 367 



Apl'opappns, 381-383 



APOCYNACEAE, 311 



Apocynum, 311 



Aquilegia, 154 



Arabis, 185 



ARACEAE, 86 



Aragallus, 250 



10, 12, 468 



137 



269 



269 



312, 480 



426 



157 



153 



161 



424 



416 



362 



4 



374 



374 



339 



456 



22; 



61 



61, 62, 64 



141 



30 



26, 28-30, 34 



37- 39. 44 



18 



18 



136 



94 



330 



117 



27, 469 



30 



143 



J 43- 473 



150 



Aralia, 



ARAUACEAE, 



Arbutus, 



Arceuihobiiim, 



Arctostaphylos, 



Arenaria, 



Arenaria, 



Argentina, 



Aristida, 



Arnica, 



Aronia, 



284 



284 



299 



118 



299 



148, 473 



145. 151 



216 



22 



433 



,.. , 228 



Artemisia, 366, 367, 427, 483 



Artemisia, 426 



Arundo, 34, 36, 42 

 ASCLEPIADACEAE, ' 311 



Asclepias, 311 



Aspidntm, 3, 466 



Asplenium, 4, 466 



Aster, 390 

 Aster, 390, 397, 398,400 



Astragalus, 239 



Astragalus, 245-249 



A tenia, 291 



Atheropogon, 41 



Atragene, 160 



Atriplex, 133 



Atropis, 52, 55 



Avena, 39, 469 



A vena, 39 



Azaleastrum, 297 



Bahia, 



Bahia, 



Balsamorrhiza, 



Barbarea, 



Bar Ionia, 



Bartsia, 



Bat is, 



Batracbium, 



Batscliia, 



Beckmannia. 



BERBERIDACEAE, 



Rerberis, 



Berula, 



Betula, 



Belula, 



BETULACEAE, 



Bidens, 



Bigelovia, 



Blitum, 



Blituvi, 



Boisduvallia, 



Bolelia, 



BORAGINACEAE, 



Botrychium, 



Bouteloua, 



Boykinia, 



Brachylobus, 



Brassica, 



Brauneria, 



Brickellia, 



Brodiaea, 



Bromus, 



423 

 422 



417 

 174 

 272 

 360 



135 



168, 474 



334 



41 



170 



170 



292 



116 



117 



116 



421 



384-386 



132 



132, 133 



278 



483 



326 



I, 466 



41 

 195 

 175 

 174 

 417 

 379 



97 



58 



Bromus, 

 Biyanthus, 

 Bupleurum, 

 Bursa, 



43 



298, 299 

 289 

 179 



CACTACEAE, 272 



Cactus, 272 



Cactus, 273 



Calamagrostis, 33 



Calamagrostis, 37 



Calamovilfa, 37 



Calandrinia, 137, 138 



callitrichaceae; 267 



Callitriche, 267 



Calochortus, 98 



Caltha, 152, 473 



Calypso, 109 



Caviassia, 100 



Camelina, 179 



Campanula, 377 



Campanulii, 378 

 CAMPANULACEAE, 377 



Ca mp] 'loce ra, 378 



Cantua, 319, 321 



Cnpnoides, 



Capnorea, 



CAPPARIDACEAE, 



CAPRIFOLIACEAE, 



Cap sella, 



Cardaraine, 



Carduus, 



Carex, 



Carum, 



CARYOPHYLLACEAE, 



Cassiope, 



Castilleja, 



CatHbrosa, 



Caulinia, 



Ceanothus, 



CELASTRACEAE, 



Centunculus, 



Cerastium, 



Ceratocliloa, 



CERATOPHYLLACEAE, 



152 

 Ceratophyllum, 152 



Cercocarpus, 222 



Chaenactis, 423 



Chaetochloa, 20, 468 



Chamaenerion, 

 Chamaerhodos, 

 Cheilanthes, 

 Cheiranthus, 

 CHENOPODIACEAE, 

 Chenopodium, 

 Cheno podium, 

 Chimaphila, 

 Chrysanthemum, 

 Chrysocoma, 

 Chrysocoptis, 

 Chrysopsis, 

 Chrysothamnus, 

 CICHORIACEAE, 



171. 475 

 326 

 190 



369 

 179 



177 



448 



71. 471 

 291 

 141 

 299 

 354 

 44 

 468 

 270 

 269 

 308 

 146 

 60 



278, 479 

 221 

 4- 466 

 ",189 

 131 

 131 

 132, 133 

 295 

 427 



389 

 152 

 380 

 384 

 452 



