GENERA OF NORTH AMERICAN FLOWERING 
AND 
FILICOID PLANTS, 
ARRANGED ALPHABETICALLY 
WITH THE NUMBER OF THE ORDER TO WHICH THEY BELONG, 
Abies, 143 
Abronia, 93 
Acacia, 45 
Acalypha, 55 
Acer, 63 
Achillea,, 113 
Actinospermum, 113 
Achlys. 17 
Achyranthes, 87 
Acmella, 113 
Acnida, 90 
Aconitum, 3 
Acorus, 167 
Acrostichum, 174 
Actsea, 3 
Actinella, 113 
Adcnarium, 81 
Adenocaulon, 113 
Actinomeris, 113 
Adiantum, 174 
Adoxa, 24 
Adonis, 3 
Adlumia, 10 
JEgilops, 171 
ASschynomene, 45 
AEsculus, 61 
iEthusa, 2 
Agathyrsus, 113 
Agave, 148 
Agrimonia, 41 
Agrostemma, 81 
Agrostis, 171 
Aira, 171 
Ajuga, 138 
Alchemilla, 40 
Aletris, 160 
Alisma, 140 
Allionia, 93 
Allium, 160 
Alnus, 50 
Alopecurus, 171 
Alyssum, 9 
Amelanchier, 42 
Amaranthus, 88 
Amaryllis, 152 
Ambrosia, 113 
Amellus, 113 
Ammannia, 33 
Ammi , see Discopleura 
Amorpha, 45 
Amphicarpa, 45 
Amsonia, 119 
Amyris, 66 
Anabasis, 91 
Anagallis, 81 
Anatherix, 118 
Androcera , see Nycterium 
Andromeda, 102 
Andropogon, 171 
Androsace, 127 
Anemagrostis, 171 
Anemone, 3 
Angelica, 2 
Antermaria, 113 
Anthemis, 113 
Anthoxanthum, 171 
Antirrhinum, 130 
Apargia, 113 
Aplectrum, 155 
Apios, 45 
Apocynum, 119 
Aphragmus, 9 
Aquilegia, 3 
Arabis, 9 
Aralia, 1 
Arbutus, 102 
Archemora, 2 
Arctium, 113 
Arenaria, 81 
Arethusa, 155 
Argemone, 4 
Aristida, 171 
Aristolochia, 37 
Armeria, 110 
Arnica, 113 
Aronia , see Pyrus 
Artemisia, 113 
Arum, 167 
Arundo, 171 
Asarum, 37 
Asclepias, 118 
Ascyrum, 23 
Asimina, 12 
Asparagus, 160 
Aspidium, 174 
Asplenium, 174 
Aster, 113 
Astilbe, 24 
Astragalus, 45 
Atheropogon, 171 
Atragene, 3 
Atrema, 2 
Atriplex, 89 
Aulaxia, 171 
Avena, 171 
Avicennia, 136 
Azalea, 102 
Azolla, 176 
Baccharis, 113 
Balduina, 113 
Barbarea, 9 
Baptisia, 45 
Bartonia, 120, 132 
Bartsia, 131 
Batschia, 139 
Beckmannia, 171 
Beiaria, Mx. 
Befaria, Ph. \ 102 
Beilis. 113 
Berberis, 17 
Berchemia, 59 
Betula, 50 
Bidens, 113 
Bignonia, 135 
Blechnum, 174 
Blephilia, 138 
Bletia, 155 
Blitum, 90 
Bcebera, 113 
Bcehmeria, 46 
Boerhavia, 93 
Boltonia, 113 
Borkhausia, 113 
Borya, 55 
Botrychium, 174 
Brachyris, 113 
Brasenia, 7 
Bray a, 9 
Briza, 171 
Brodisea, 160 
Bromus, 171 
Brunnichia, 92 
Bumelia, 101 
Burmannia, 150 
Buphthalmum, 113 
Bupleurum, 2 
Cabomba, 1 
Cacalia, 113 
Cactus, 28 
Cakile, 9 
Caladium, 167 
Calamintha, 138 
Calla, 167 
Calamagrostis, 171 
Callicarpa, 137 
Calliopsis, 113 
Callitriehe, 97 
Calochortus, 163 
Calopogon, 155 
Caltha, 3 
Calycanthus, 15 
Calycium, 113 
Calymenia, see Oxybaphrusr 
Calypso, 155 
Campanula, 105 
Canna, 156 
Cantua, see Gilia 
Capraria, 130 
Caprifolium, 116 
Capsella, 9 
Capsicum, 132 
