INDEX. 



Abildgaardia, 25, 29 

 Abutilon, 119 

 Acacia, 81, 82 

 Acalypha, 103, !()(> 



ACANTHACEAE, loO, 107 



Acanthocereus, 12() 

 Acanthospermum, 184, 193 

 Acanthus Family, 167 

 Acerates, 147. 14S 

 Achyranthes, 69 

 Acnida, 69 



Actinospermuni, 184, 196 

 Adam's-needle, 43 

 Addcr's-mouth, ").5 

 Aeschynomene, 86, 90 

 African bowstring-hemp, 42 

 Afzclia, 164, 166 

 Agalinis, 164, 167 

 Agave, 44 

 Air-plant, 39 

 Aldenella, 78 

 Aletris, 44 

 Alismaceae, 5 

 Alismales, 5 

 Alligator-apple, 7o 

 Alligator-pear, 128 

 Allioniaceae, 67, 71 

 Alpiniaceae, 47, 48 

 Alsinaceae, 67, 73 

 Altemanthera, 69 

 Alvaradoa, 100 

 Amaranthaceae, 67, 68 

 Amaranth Family, 68 

 Amaranthus, 69 

 Amaryllidales, 43 

 Amaryllis Family', 44 

 Ambaree, 121 

 Ambrosia, 182 

 Ambrosiaceae, 182 

 American-elder, 178 

 American-i\'y, 118 

 Ammannia, 130 

 Ammiaceae, 136 

 Ammiales, 135 

 Ammocallis, 146 

 Amorpha, 86, 89 

 Ampelopsis, 117 

 Amphistelma, 147, 148 

 Amygdalaceae, 79, 80 

 Amyris, 97, 98 

 Anacheilium, 51, 57 

 Anamomis, 132 

 Ananas, 39, 41 

 Andropogon, 8, 10 

 Angelonia, 164 

 Angiospermae, 1, 3 

 Annona, 75 

 Annonaceae, 74, 75 

 Antirrhinum, 164 

 Apion, 94 



Apocynaceae, 146 

 Aquifoliaceae, 111, 112 

 Araceae, 35 

 Arales, 35 

 Aranella, 169, 171 

 Ardisiaceae, 138, 140 

 Arecaceae, 34 

 Arecales. 34 

 Arenaria, 74 

 Argemone, 77 



Argyreia, 151, 154 

 Aristida, 8, 20 

 Aristolochia, 179 

 Aristolociiiales, 179 

 Armeriaceae, 138, 139 

 Arrow-arum, 36 

 Arrow-grass, 5 

 Arrow-grass Family, 5 

 Arrow-head, 5 

 Arrowroot, 48 

 Arrowroot Family, 48 

 Artocarpaceae, 62, 63 

 Arum Family, 35 

 Asaraceae, 179 

 Asclepiadaceae, 146, 147 

 Asclepiapales, 145 

 Asclepiadora, 147, 148 

 Aselepias, 147, 148 

 Ascyrum, 123 

 Asimina, 75 

 Aster, 184, 189 

 Atriplex, 67 

 Auliza, 50, 55 

 Australian-pine, 60 

 Avicennia, 161 

 Avicenniaceae, 150, 161 

 Avocado, 128 

 Ayenia, 122 



Baccharis, 184, 191 

 Bald-cypress, 2 

 Balloon- vine, 114 

 Balsam-apple, 180 

 Banana, 47 

 Banana Family, 47 

 Barbados-cedar, 3 

 Barbados-flower, 84 

 Barnyard-grass, 13 

 Basellaceae, 67, 68 

 Batidaceae, 67, 71 

 Batis, 71 

 Bayberry, 61 

 Bayberry Family, 61 

 Bay-cedar, 99 

 Bay-cedar Family, 99 

 Bay-leaved caper-tree, 79 

 Beadlea, 50, 53 

 Beak-rush, 31 

 Beard-grass, 10 

 Beard-tongue, 165 

 Bedstraw, 178 

 Beech Family, 61 

 Beefwood, 60 

 Beefwood Family, 59 

 Beggar-ticks, 196 

 Bellflower Family, 180 

 Berlandiera, 184, 193 

 Bermuda-grass, 22 

 Bidens, 184, 196 

 Bignoniaceae, 150, 171 

 Birthwort Family-, 179 

 Bishop's-weed, 137 

 Bitterbush, 100 

 Bitter-sweet orange, 99 

 Bitterwood, 100 

 Black-bead, 82 

 Black-bean, 95 

 Black-callabash, 171 

 Black-ironwood, 116 



Black-mangrove, 161 

 Black-mangrove Family, 161 

 Black oat-grass, 21 

 Black-root, 192 

 Bladderwort, 169 

 Bladderwort Family, 169 

 Blazing-star, 187 

 Bletia, 51, 57 

 BloUy, 72 



Bloodwort Family, 46 

 Blueberry, 138 

 Blue-curls, 162 

 Blue-eyed grass, 46 

 Blue-hearts, 167 

 Boehmoria, 62, 63 

 Boerhaavia, 72 

 Bonnets, 76 

 Borreria, 174, 178 

 Borrichia, 184, 194 

 Bourreria, 157, 158 

 Boussingaultia, 68 

 Bouteloua, 9, 23 

 Boxwood, 114 

 Bradburya, 86, 93 

 Bramia, 164, 165 

 Brassicaceae, 77 

 Brazilian blady-grass, 9 

 Breynia, 103, 104 

 Bromeliaceae, 36, 39 

 Brookweed, 139 

 Broom-grass, 10 

 Brown Indian-hemp, 121 

 Brunoniaceae, 179, 181 

 Bryophyllum, 80 

 Buchnera, 104, 167 

 Buckbean Family, 145 

 Buckthorn, 142 

 Buckthorn Family, 115 

 Buckwheat Family, 65 

 Buettneriaceae, 118, 122 

 Bullace-grape, 117 

 Bumelia, 141, 142 

 Bur-grass, 20 

 Burmannia, 49 

 Burmanniaceae, 49 

 Burmannia Family, 49 

 Bur-marigold, 196 

 Bursera, 100 

 Burseraceae, 96, 100 

 Bustic, 142 

 Butterfly-pea, 94 

 Butter-weed, 191 

 Butterwort, 169 

 Buttonbush, 175 

 Button-snakeroot, 136, 187 

 Buttonweed, 177 

 Buttonwood, 131 

 Byrsonima, 97 



Cabbage-palmetto, 35 

 Cabbagp-tree, 35 

 Cactus Family, 126 

 Cajan, SO, 92 

 Cakile, 77, 78 

 Callicarpa, 159, 161 

 Calonyction, 151, 152 

 Calophartcf:, 168 

 Calyptranthes, 132, 133 

 Campanula, 180 

 Campanulaceae, 179, 180 



201 



