_Abronia_, 102.
_Abronia latifolia_, 106.
_Abronia maritima_, 104.
_Abronia salsa_, 104.
_Abronia umbellata_, 104.
_Abronia villosa_, 104.
_Achlys triphylla_, 156.
_Aconitum_, 136.
_Aconitum Columbianum_, 136.
_Actaea_, 140.
_Actaea arguta_, 140.
_Actaea viridiflora_, 140.
_Actinolepis lanosa_, 554.
Adam and Eve, 28.
Adder's tongue, 28.
_Adenostoma_, 228.
_Adenostoma fasciculatum_, 228.
_Adenostoma sparsifolium_, 228.
_Aesculus_, 280.
_Aesculus Californica_, 280.
_Agastache_, 454.
_Agastache pallidiflora_, 456.
_Agastache urticifolia_, 456.
_Agoseris_, 572.
_Agoseris glauca_, 572.
Agoseris, Large-flowered, 572.
_Aizoaceae_, 108.
Alfalfa, 242.
Alfilerilla, 276.
_Alismaceae_, 2.
_Allionia_, 106.
_Allionia linearis_, 106.
_Allium_, 14.
_Allium acuminatum_, 14.
_Allium bisceptrum_, 14.
_Allium serratum_, 14.
_Allotropa virgata_, 360.
_Alpine Avens_, 232.
_Alsine_, 118.
_Alsine longipes_, 118.
Alumroot, 200, 202.
Amapola, 164.
_Amaranthus albus_, 98.
_Amelanchier_, 214.
_Amelanchier alnifolia_, 216.
Amole, 12.
_Amsinckia_, 426.
_Amsinckia intermedia_, 428.
_Anagallis_, 362.
_Anagallis arvensis_, 362.
_Anaphalis_, 526.
_Anaphalis margaritacea_, 526.
_Anemone_, 142, 144.
_Anemone deltoidea_, 144.
_Anemone occidentalis_, 146.
_Anemone parviflora_, 144.
_Anemone quinquefolia var. Grayi_, 144.
_Anemone sphenophylla_, 144.
Anemone, Canyon, 144.
Anemone, Northern, 144.
Anemone, Three-leaved, 144.
Anemone, Western, 146.
Anemone, Wood, 144.
_Anemopsis Californica_, 80.
Angels' Trumpets, 460.
_Anisolotus_, 242.
_Anisolotus argyraeus_, 242.
_Anisolotus decumbens_, 244.
_Anisolotus formosissimus_, 242.
_Anisolotus glaber_, 244.
_Anisolotus strigosus_, 244.
_Anisolotus Wrightii_, 244.
_Anogra_, 328.
_Anogra albicaulis_, 328.
_Anogra coronopifolia_, 328.
_Antennaria rosea_, 526.
_Anthemis_, 546.
_Anthemis Cotula_, 546.
_Anthericum_, 4.
_Anthericum Torreyi_, 4.
_Antirrhinum_, 468.
_Antirrhinum Coulterianum_, 468.
_Antirrhinum glandulosum_, 468.
_Antirrhinum maurandioides_, 466.
_Antirrhinum strictum_, 470.
_Antirrhinum vagans_, 470.
_Antirrhinum virga_, 468.
Apache Plume, 218.
_Aplopappus Brandegei_, 534.
_Apocynaceae_, 378.
_Apocynum_, 378.
_Apocynum androsaemifolium_, 378.
Apple Family, 214.
Apple, 214.
_Aquilegia_, 134.
_Aquilegia leptocera_, 134.
_Aquilegia truncata_, 134.
_Arabis_, 176.
_Arabis Fendleri_, 176.
_Arabis, Fendler's_, 176.
_Arctostaphylos_, 344.
_Arctostaphylos bicolor_, 346.
_Arctostaphylos patula_, 346.
_Arctostaphylos Uva-Ursi_, 346.
_Arenaria_, 112.
_Arenaria Fendleri_, 112.
_Argemone_, 162.
_Argemone hispida_, 162.
_Argentina_, 232.
_Argentina Anserina_, 232.
_Aristolochiaceae_, 84.
_Arnica_, 544.
_Arnica cordifolia_, 544.
_Arnica latifolia_, 544.
Arnica, Broad-leaved, 544.
Arnica, Heart-leaved, 544.
Arrowhead, 2.
Arrow-leaf, 558.
_Artemisia_, 544.
_Artemisia tridentata_, 544.
_Aruncus_, 226.
_Aruncus sylvester_, 226.
_Asarum Hartwegi_, 84.
_Asclepiadaceae_, 374.
_Asclepias_, 374, 376.
_Asclepias erosa_, 376.
_Asclepias speciosa_, 374.
_Asclepias vestita var. Mohavensis_, 376.
_Asclepiodora_, 376.
_Asclepiodora decumbens_, 378.
Ash, Flowering, 366.
_Aster_, 532, 542, 544, 556, 568.
_Aster Andersoni_, 570.
_Aster Chamissonis_, 568.
_Aster radulinus_, 568.
Aster, Beach, 534.
Aster, Broad-leaf, 568.
Aster, Cliff, 572.
Aster, Hairy Golden, 530.
Aster, Tall Purple, 556.
Aster, Woolly, 542.
_Astragalus_, 256.
_Astragalus MacDougali_, 260.
_Astragalus Menziesii_, 256.
_Astragalus nothoxys_, 258.
_Astragalus pomonensis_, 258.
_Astragalus Utahensis_, 258.
_Atragene_, 150.
_Atragene occidentalis_, 150.
_Audibertia_, 438, 440, 442.
_Aulospermum longipes_, 336.
_Azalea_, 342.
_Azalea occidentalis_, 342.
Azalea, Small, 348.
Azalea, Western, 342.
_Azaleastrum_, 348.
_Azaleastrum albiflorum_, 348.
Azulea, 70.
Baby Blue-eyes, 412.
_Baccharis_, 568.
_Baccharis pilularis_, 568.
_Baeria_, 550.
_Baeria gracilis_, 550.
_Baeria macrantha_, 550.
_Bahia_, 552.
_Bahia absinthifolia_, 552.
_Baileya multiradiata_, 552.
_Baileya pauciradiata_, 552.
Balm, 456.
Balm, Mountain, 420.
Balsam-root, 558, 560.
Balsam-root, Cut-leaved, 558.
_Balsamorrhiza_, 558.
_Balsamorrhiza Hookeri_, 560.
_Balsamorrhiza macrophylla_, 558.
_Balsamorrhiza sagittata_, 558.
Baneberry, 140.
Barberry Family, 152.
Barberry, 154.
Barberry, Trailing, 154.
Barrenwort, 152.
Bean, 242.
Bearberry, Red.
Bear's Cabbage, 418.
Bear-clover, 222.
Bear Grass, 44.
Bear-mat, 222.
Beard-tongue, 478, 480.
Beard-tongue, Bushy, 482.
Beard-tongue, Large, 478.
Bedstraw, Northern, 508.
Beech-drops, Albany, 360.
Bee-plant, 188.
Bee-plant, California, 490.
Beet, 98.
Belladonna, 458.
Bellflower Family, 520.
Bellflower, 520.
Betony, Alpine, 504.
_Berberidaceae_, 152.
_Berberis_, 154.
_Berberis aquifolium_, 154.
_Berberis Fendleri_, 154.
_Berberis repens_, 154.
Bergamot, 456.
Berry, Salmon, 236, 238.
Berry, Thimble, 238.
_Bicuculla_, 168.
_Bicuculla chrysantha_, 170.
_Bicuculla formosa_, 168.
_Bicuculla uniflora_, 170.
Big Root, 558.
Bilberry, 348.
Bird's Eyes, 394.
Bird-foot, 242, 244.
Bird-foot, Pretty, 242.
Bird-of-paradise, 264.
Birthroot, 42.
Birthwort Family, 84.
_Biscutella_, 178.
Bishop's Cap, 204.
Bisnaga, 306.
Blackberry, 236.
Blackberry, Common, 236.
Black-eyed Susan, 560.
Bladder-bush, 448.
Bladder-cherry, 460.
Bladderpod, 184, 190.
Bladderpod, White, 184.
Bladderpod, Yellow, 184.
Blanket-flower, 556.
Blazing Star, 300.
Bleeding Heart Family, 168.
Bleeding Heart, 168.
_Blepharipappus_, 536, 554.
_Blepharipappus elegans_, 554.
_Blepharipappus glandulosus_, 554.
_Bloomeria_, 22.
_Bloomeria aurea_, 22.
_Bloomeria Clevelandi_, 22.
Blow-ball, 578.
Bluebell, Mountain, 430.
Blue Bells of Scotland, 520.
Blueberry, 348.
Blue-curls, 454.
Blue-curls, Woolly, 454.
Blue Dicks, 16.
Blue-eyes, Baby, 412.
Blue-eyed Grass, 70.
Blue-lips, 488.
Blue Sailors, 576.
Blue-weed, 136.
Blue Witch, 462.
_Boraginaceae_, 422.
Borage Family, 422.
Borage, 402.
Bottle-plant, 90.
Bouvardia, Wild, 400.
Brass Buttons, 562.
_Brassica_, 184.
_Brassica nigra_, 184.
_Brevoortia, Ida-Maia_, 26.
Brittle-bush, 526.
_Brodiaea_, 16.
_Brodiaea capitata_, 16.
_Brodiaea capitata var. pauciflora_, 16.
_Brodiaea coccinea_, 26.
_Brodiaea congesta_, 16.
_Brodiaea Douglasii_, 24.
_Brodiaea grandiflora_, 18.
_Brodiaea lactea_, 24.
_Brodiaea minor_, 18.
_Brodiaea volubilis_, 20.
Brodiaea, Golden, 22.
Brodiaea, Harvest, 18, 24.
Brodiaea, Twining, 20.
Brodiaea, White, 24.
Bronze Bells, 38.
Brooklime, American, 476.
Broom, Chaparral, 568.
Broom, Scotch, 264.
Broom-rape Family, 504.
Brown-foot, 536.
Brown-weed, 536.
_Brunella_, 444.
Brussels Sprouts, 184.
_Bryanthus_, 352.
Buck-bean Family, 380.
Buck-bean, 246, 380.
Buckbrush, 282.
Buckeye Family, 280.
Buckeye, California, 280.
Buckthorn Family, 282.
Buckthorn Weed, 428.
Buckwheat Bush, 94.
Buckwheat Family, 86.
Buckwheat, Wild, 96.
Buena Mujer, 302.
Bugbane, False, 142.
Bunchberry, 340.
Butter Balls, 92.
Buttercup Family, 126.
Buttercup, 38, 234.
Buttercup, Common Western, 126.
Butter-heads, 562.
Butterfly-tongue, 504.
Butterfly Tulip, 62.
Cabbage, 184.
_Cactaceae_, 304.
Cactus Family, 304.
Cactus, 310.
_Cactus Grahami_, 310.
Cactus, Barrel, 306.
Cactus, Column, 310.
Cactus, Fish-hook, 306.
Cactus, Hedgehog, 306.
Cactus, Pincushion, 310.
Calabazilla, 518.
_Calliandra_, 266.
_Calliandra eriophylla_, 266.
_Calochortus_, 56.
_Calochortus albus_, 58.
_Calochortus amabilis_, 56.
_Calochortus Benthami_, 60.
_Calochortus Kennedyi_, 64.
_Calochortus luteus_, 62.
_Calochortus luteus var. citrinus_, 62.
_Calochortus luteus var. oculatus_, 62.
_Calochortus Maweanus_, 60.
_Calochortus nudus_, 60.
_Calochortus Nuttallii_, 64.
_Calochortus venustus_, 62.
_Caltha_, 146.
_Caltha leptosepala_, 146.
_Caltha palustris_, 146.
Caltrop Family, 268.
_Calycanthaceae_, 158.
_Calycanthus_, 158.
_Calycanthus occidentalis_, 158.
_Calyptridium_, 124.
Camass, 48.
Camass, Death, 8, 48.
_Camassia_, 48.
_Camassia quamash_, 48.
_Campanulaceae_, 520.
_Campanula_, 520.
_Campanula prenanthoides_, 520.
_Campanula rotundifolia_, 520.
_Campanula Scouleri_, 520.
Camphor Weed, 454.
Campion, Moss, 114.
Cancer-root, One-flowered, 504.
Canchalagua, 370.
Candle Flower, 294.
Candle, Our Lord's, 40.
Candytuft, 174.
Candytuft, Wild, 178.
Canterbury Bell, Wild, 408.
Caper Family, 186.
Caper, 186.
_Capnoides_, 170.
_Capnoides aureum_, 172.
_Capnoides Scouleri_, 172.
_Capparidaceae_, 186.
_Caprifoliaceae_, 512.
Cardinal Flower, 482.
_Carduus_, 522.
_Carduus Arizonicus_, 524.
_Carduus Californicus_, 524.
_Carduus candadissimus_, 524.
_Carduus Coulteri_, 522.
_Carduus occidentalis_, 524.
_Carduus ochrocentrus_, 524.
Carolina Allspice, 158.
Carpet-weed Family, 108.
Carrot, 332.
_Caryophyllaceae_, 112.
_Cassiaceae_, 264.
_Cassia_, 264.
_Cassia armata_, 266.
Cassia, Golden, 266.
_Cassiope_, 354.
_Cassiope Mertensiana_, 354.
_Castilleja_, 470.
_Castilleja angustifolia_, 472.
_Castilleja miniata_, 472.
_Castilleja pinetorum_, 472.
Catchfly, 112.
Cat's Breeches, 418.
Cat's-clover, 242.
Cauliflower, 184.
Cavalier's Spur, 128.
_Ceanothus_, 282.
_Ceanothus integerrimus_, 284.
_Ceanothus parvifolius_, 284.
_Ceanothus prostratus_, 282.
_Ceanothus velutinus_, 282.
_Centaurium_, 370, 372.
Centaury, California, 370.
Centaury, Tall, 372.
_Cephalanthera_, 72.
_Cephalanthera Austinae_, 72.
_Cerastium_, 118.
_Cerastium arvense_, 118.
_Cereus_, 310.
_Cereus giganteus_, 310.
_Chaenactis_, 548.
_Chaenactis Douglasii_, 548.
_Chaenactis Fremontii_, 548.
_Chaenactis lanosa_, 548.
_Chaenactis macrantha_, 548.
_Chamaebatia foliolosa_, 222.
_Chamaebatiaria_, 230.
_Chamaebatiaria millefolium_, 230.
_Chamaenerion_, 314.
_Chamaenerion angustifolium_, 314.
_Chamaenerion latifolium_, 314.
Chamise, 228.
Chamomile, 546.
Chatter-box, 74.
Checkerberry, 340, 356.
Checker-bloom, 288.
_Chenopodiaceae_, 96.
Cherry, 216.
Cherry, Holly-leaved, 216.
Chia, 452.
Chickweed, 112.
Chickweed, Field, 118.
Chickweed, Mouse-ear, 118.
Chickweed, Tall, 118.
_Chicorium_, 574.
_Chicorium Intybus_, 576.
Chicory Family, 570.
Chicory, 576.
Chicory, Desert, 574.
Chicory, Goat, 572.
Chilicothe, 518.
_Chimaphila_, 356.
_Chimaphila Menziesii_, 356.
Chinese Houses, 488.
Chinese Pusley, 432.
_Chlorogalum pomeridianum_, 12.
Cholla, 308.
_Chorizanthe_, 86.
_Chorizanthe fimbriata_, 86.
_Chorizanthe staticoides_, 86.
Christmas-horns, 132.
Christmas-rose, 138.
_Chrysanthemum_, 540.
_Chrysanthemum leucanthemum_, 540.
_Chrysopsis villosa_, 530.
_Chylisma_, 326.
_Chylisma scapoidea var. clavaeformis_, 326.
_Cicoriaceae_, 570.
Cinquefoil, 126, 234.
Cinquefoil, Arctic, 234.
Cinquefoil, Silky, 234.
Cinquefoil, Shrubby, 234.
_Cirsium_, 522.
_Cistaceae_, 304.
_Clarkia_, 320, 322.
_Clarkia concinna_, 322.
_Clarkia elegans_, 320.
_Clarkia pulchella_, 322.
_Clarkia rhomboidea_, 322.
_Claytonia_, 120, 122.
_Claytonia lanceolata_, 122.
Cleavers, 508.
_Cleistoyucca_, 40.
_Cleistoyucca arborescens_, 40.
_Clematis_, 126, 148, 150.
_Clematis lasiantha_, 148.
Clematis, Lilac, 151.
Clematis, Purple, 150.
_Cleome_, 188.
_Cleome platycarpa_, 190.
_Cleome serrulata_, 188.
Cleome, Yellow, 190.
_Cleomella_, 186.
_Cleomella longipes_, 186, 190.
Cliff Rose, 226.
_Clintonia_, 50.
_Clintonia Andrewsiana_, 50.
_Clintonia uniflora_, 50.
Clintonia, Red, 50.
Clintonia, White, 50.
Clocks, 276.
Clover, 242, 260, 262.
Clover, Sour, 262.
_Cnicus_, 522.
_Cogswellia platycarpa_, 334.
Coffee, 506.
_Coleogyne ramosissima_, 230.
_Collinsia_, 486.
_Collinsia bicolor_, 488.
_Collinsia multiflora_, 488.
_Collomia_, 400.
_Collomia grandiflora_, 400.
_Collomia linearis_, 400.
Columbine, Blue, 134.
Columbine, Scarlet, 134.
Columbine, White, 134.
Columbo, 368.
Columbo, Small, 370.
_Comandra_, 82.
_Comandra pallida_, 82.
Comandra, Pale, 82.
Compass Plant, 560.
_Compositae_, 522.
_Conanthus_, 414.
_Conanthus aretioides_, 414.
_Convolvulaceae_, 380.
_Convolvulus_, 382.
_Convolvulus arvensis_, 382.
_Convolvulus occidentalis_, 382.
Copa de Oro, 164.
Coral-root, 76.
_Corallorrhiza_, 76.
_Corallorrhiza Bigelowii_, 76.
_Corallorrhiza multiflora_, 76.
_Coreopsis_, 540.
_Coreopsis Bigelowii_, 540.
_Coreopsis maritima_, 540.
Coreopsis, Desert, 540.
_Coreothrogyne_, 542.
_Coreothrogyne filaginifolia_, 542.
_Cornaceae_, 338.
_Cornus_, 338.
_Cornus Canadensis_, 340.
_Cornus Nuttallii_, 338.
_Cornus stolonifera var. riparia_, 340.
Corn-salad, 508.
Corpse-plant, 358.
_Corydalis_, 172.
Corydal, Golden, 172.
Corydalis, Pink, 172.
Cotton, Arizona Wild, 286.
_Cotula coronopifolia_, 562.
_Cotyledon_, 194.
Covena, 16.
_Covillea glutinosa_, 268.
_Cowania Stansburiana_, 226.
Cow-herb, 116.
Cowslip, American, 364.
Crane's-bill, 274.
Crane's-bill, Long-stalked, 276.
_Crassina_, 552.
_Crassina pumila_, 552.
_Crassulaceae_, 192.
Cream-cups, 166.
Creosote-bush, 268.
_Crepis_, 578.
_Crepis acuminata_, 578.
_Crepis occidentalis_, 578.
_Crepis virens_, 578.
Crimson-beak, 268.
Crocus, 38.
Crown Imperial, 38.
Crowtoes, 242.
_Cruciferae_, 174.
_Cryptanthe_, 428.
_Cryptanthe intermedia_, 428.
_Cucurbitaceae_, 518.
_Cucurbita_, 518.
_Cucurbita foetidissima_, 518.
Cucumber, Wild, 518.
Cudweed, 526.
Currant, Black, 212.
Currant, Buffalo, 214.
Currant, Golden, 214.
Currant, Missouri, 214.
Currant, Sierra, 212.
_Cuscuta_, 382.
Cyclamen, Wild, 364.
_Cycloloma_, 98.
_Cycloloma atriplicifolium_, 98.
_Cymopterus_, 334, 336.
Cypress, Wild, 394.
_Cypripedium_, 78.
_Cypripedium Californicum_, 78.
_Cypripedium montanum_, 78.
_Cypripedium parviflorum_, 78.
_Cytisus_, 264.
_Cytisus scoparius_, 264.
Dahlia, Sea, 540.