162 
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Babtisia 28 j 
Bartonia 80 
Berberidaceae 6 
Berula 45 
Betula 104 
Bidens 65 
Bignoniasese 90 
Blephilia 93 
Boehmeria .-103 
Boltonia 56 
Borraginaceae 82 
Botrychium 151 
Brachyelytrum 142 
Brasenia 7 
Brassica 12 
Bromus * 146 
Brunella ... 94 
Buchnera 88 
Cacalia 68, 154 
Cactaceae 43 
Cakile 12 
Calamagrostis 143, 146 
Calamagrostis 143 
Calamintha 92 
Callirrhoe 22 
Callitriche 40 
Calopogon. . . „ Ill 
Caltha . 5 
Calyategia 83, 84 
Camassia 115 
Camelina 11 
Campanula 72 
Campanulaceae 72 
Cannabis 103 
Capparidaceae 12 
Caprifoliaceae 48 
Capsella 12 
Cardamine 9 
Carex 130, 156 
Carpinus 105 
Carum 45 
Cary a 104 
Caryophyllaceae 17 
Cassandra 75 
Cassia 32 
Castalia ... 7 
Castelleia 89 
Catalpa 90 
Caulophyllum 6 
PAGE. 
Ceanothus 25 
Celastraceae 24 
Celastrus 24 
Celtis 103 
Centaurea . . 69 
Cenchrus 140 
Cephalanthus 50 
Cerastium 19 
Ceratophyllaceae 110 
Ceratophyllum 110 
Chaerophyllum 45, 153 
Chelone 86 
Chenopodiaceae 96 
Chenopodium 97 
Chimaphila 75 
Chrysanthemum 67 
Chrysopogon 141 
Cichorium 70 
Cicuta 45 
Cimicifuga 6 
Cinna 143 
Circaea 43 
Cirsium 68 
Cistaceae 13 
Cladium ... 130 
Claytonia 20 
Clematis 1 
Cleome 12 
Cnicus 68, 154 
Collinsia 86 
Collinsonia . . 91 
Comandra 101 
Commelina 117 
Commelinaceae 117 
Compositae 52 
Comptonia 104 
Coniferae 148 
Conium 45 
Conopholis 89 
Convolvulaceae 83 
Convolvulus 83 
Coptis 5 
Corallorhiza 110 
Coreopsis 65 
Corispermum 97 
Cornaceae 47 
Cornus 47, 154 
Corydalis 9 
Corylus 105 
Crassulaceae . . . 39 
