INDEX 



Scientific names of Families are in Capitals. Synonyms are in italics. Spe- 

 cific names, when there are only a few in a genus, are usually omitted. 



Abutilon, 173 

 Acacia, Rose, 152 

 Acalypha, 166 



ACANTHACEAE, 240 



Acanthus Family, 240 

 Acer, 170 



ACERACEAE, 170 



Acerates, 211 

 Achillea, 274 

 Acnida, 112 

 Acorus, 74 

 Actaea, 124 

 Actinomeris, 271 

 Adam-and-Eve, 93 

 Adder's Mouth, 93 

 Adder's Tongue, 1 

 Adiantum, 3 

 Adlumia, 127 

 Aegopodium, 191 

 Aeschynomene, 152 

 Aethusa, 193 

 Agalinis, 235 

 Agastache, 220 

 Agrimonia, 145 

 Agrimony, 145 

 Agropyron, 25 

 Agrostemma, 117 

 Agrostis, 29 

 Ailanthus, 163 

 Aira, 28 



AlZOACEAE, 113 



Alchemilla, 145 

 Alder, 99 



Black, 169 



Seaside, 99 

 Aletris, 85 

 Alfalfa, 151 

 Alisma, 17 

 Alismaceae, 15 

 Alhum, 82 

 Alnus, 99 

 Alopecurus, 30 

 Althaea, 174 



Shrubby, 174 

 Alum Root, 136 

 Amaranth, Thorny, 112 

 Amaranthaceae, 112 



Amaranthus, 112 

 Amartllidaceae, 87 

 Amaryllis Family, 87 

 Ambrosia, 268 

 Amelanchier, 139 

 American Brooklime, 



234 

 Amianthium, 81 

 Ammannia, 184 

 Ammannia, 183 

 Ammophila, 29 

 Amorpha, 151 

 Amphicarpa, 159 

 Amphicarpum, 45 

 Amygdalus, 147 

 Anacardiaceae, 168 

 Anacharis, 17 

 Anagallis, 204 

 Anaphalis, 267 

 Anchistea, 3 

 Andropogon, 46 

 Anemone, 123 

 Rue, 122 

 Tall, 123 

 Wood, 123 

 Anemonella, 122 

 Angelica, 194 

 Hairy, 194 

 Angle-pod, 211 

 Anonaceae, 125 

 Antennaria, 266 

 fallax, 267 

 neglecta, 267 

 neodioica, 267 

 Parlinii, 266 

 plantaginifolia, 266 

 solitaria, 267 

 Anthemis, 274 

 Anthoxanthum, 34 

 Anychia, 113, 114 

 Aphanes, 145 

 Aphyllon, 240 

 Apios, 158 

 Aplectrum, 93 

 Apocynaceae, 208 

 Apocynum, 209 

 Apple, 138 



(Apple) 



Crab, 138 



of Peru, 228 



Thorn, 229 

 Aquifoliaceae, 169 

 Aquilegia, 123 

 Arabidopsis, 131 

 Arabis, 133 

 Araceae, 73 

 Arachis, 152 

 Aralia, 188 

 Araliaceae, 188 

 Arbutus, Trailing, 198 

 Arctium, 277 

 Arenaria, 115 

 Arethusa, 91 

 Argemone, 127 

 Arisaema, 73 

 Aristida, 32 

 Aristolochia, 105 

 Aristolochiaceae, 105 

 Armoracia, 132 

 Arnica, 276 

 Aronia, 138 

 Arrhenatherum, 28 

 Arrow Grass, 15 

 Arrow-head, 15 

 Arrow-wood, 247 



Downy, 247 

 Artemisia, 275 



Abrotanum, 275 



annua, 276 



biennis, 276 



gnaphalodes, 275 



ludoviciana, 275 



pontica, 276 



Stelleriana, 276 



vulgaris, 275 

 Artichoke, Jerusalem, 



271 

 Arum, Arrow, 74 



Family, 73 

 Arundo, 24 

 Asarum, 105 

 Asclepiadaceae, 209 

 Asclepias, 209 



amplexicaulis, 210 



[291] 



