160 



INDEX. 



PAGE. 



Baccharis 25 



Basria 33 



Bahia 34 



Balsamorhiza 29 



Barbarea 95 



Beckmannia . ... 134 



Berberis 100 



Berula 69 



Bidens 30 



Bigelovia 23 



Blechnum 155 



Blennosperma 35 



Boisduvalia 107 



Botrychium 156 



Bowlesia . . 71 



Boyldnia 73 



Brassica 95 



Brickellia 38 



Briza 141 



Brizopyruni 139 



Brodisea , 129 



Bromus 141 



Brune.lla 52 



Bulbostylis 3S 



Burriellia 33 



Callitriche 81 



Calamagrostis 135 



Calandrinia 77 



Calochortus 131 



Calycanthus 112 



Camassia 129 



Campanula 42 



Capsella 94 



Cardamine 97 



Carex 144 



PAGE. 



Carthamnus 39 



Carum.. , 70 



Castanopsis Il9 



Castilleia 55 



Caucalis 67 



Caulanthus 96 



Ceanothus 89 



Centaurea 39 



Cephalantbus 46 



Cerastium 76 



Ceratopbyllum 125 



Cercis 116 



Cercocarpus Ill 



Chaenactis 34 



Cheilanthus 154 



Cheiranthus 96 



Chenopodium 79 



Chlorogalum 128 



Cborizantbe 122 



Chrysanthemum 36 



Cbrysopsis 23 



Cicendia 48 



Cicuta 69 



Clarkia 107 



Claytonia 77 



Clematis 103 



Clintonia 128 



Cnicus 39 



Coinogyne 33 



Collinsia 57 



Collomia 62 



Conium 70 



Convolvulus 62 



Corallorhiza 126 



Cordylantbus 55 



Coretbrogyne 24 



