INDEX. 



Abutilon, 189 

 Acalypha, 178 

 acanthaceae, 264 

 Acanthus Family, 204 

 Acer, 184 



ACERACEAE, 184 



Aeerates, 229 

 Achillea, 308 

 Acorus, 66 

 Actaea, 120 

 Adam-and-Eve, 90 

 Adam 's-needle, 78 

 Adder 's-mouth, 88 

 Adicea, 101 

 Adlumia, 129 

 Aesculaceae, 184 

 Aesculus, 184 

 Agalinis, 263 

 Agastaehe, 248 

 Aegopodium, 211 

 Agrimonia, 151 

 Agrimony, 151 

 Agropyron, 36 

 Agrostemma, 118 

 Agrostis, 26 

 Ailanthns, 175 

 AiLANTHus Family, 175 

 Alder, 97 



Black, 182 



Smooth, 97 

 Aletris, 80 

 Alfalfa, 162 

 Alisma, 7 

 Alismaceae, 7 

 Alismales, 6 

 Allegheny-vine, 130 

 Alliaceae, 73 

 Allium, 73 

 Alnus, 97 

 Alopecurus, 24 

 Alsike-clover, 163 

 Alsinaceae, 113 

 Alsine, 115 

 Alsinopsis, 114 

 Althaea, 189 



Shrubby. 190 

 Alum-root, 142 

 Alyssum, 136 



Sweet, 136 



Yellow, 136 

 Amaranth, 111 



Green, 111 



Thorny, 111 



Amaranthaceae, 111 

 Amaranth Family, 111 

 Amaranthus, 111 

 Amaryllidales, 80 

 Amaryllis Family, 80 

 Ambrina, 110 

 Ambrosia, 283 

 Ambrosiaceae, 282 

 Amelanchier, 154 

 American-brooklime, 262 

 American-cowslip, 222 

 American-elm, 104 

 American-holly, 183 

 American-ivy, 188 

 American-mistletoe, 269 

 American-pennyroyal, 252 

 American white-helleljore, 



70 

 American wood-isitraw- 



berry, 149 

 Ammiaceae, 207 

 Ammiales, 205 

 Amygdalaceae, 156 

 Amygdalus, 157 

 Anagallis, 222 

 Anaphalis, 301 

 Andropogon, 12 

 Anemone, 121 



Eue, 122 



Wood, 121 

 Angelica, 212 

 Angellico, 212 

 Angiospermae, 3 

 Angle-pod, 231 

 Annonaceae, 125 

 Antennaria, 300 

 Anthemis, 308 

 Anthopogon, 225 

 Anthoxanthum, 20 

 Anthyllis, 163 

 Anychia, 111 

 Aplectrum, 90 

 Apocynaceae, 227 

 Apocynum., 228 

 Apple, 153 



Common, 154 



C'rab^ 154 



Love, 239 



Mock, 279 



Thorn, 240 

 Apple Family, 153 

 Apple-of-Peru, 238 

 Aquifoliaceae, 182 



Aquilegia, 120 

 Arabidopsis, 134 

 ArabiSj 138 

 Araceae, 65 

 Arales, 64 

 Aralia, 207 

 Arbutus, 217 



Trailing, 217 

 Arctium, 310 

 Arenaria, 114 

 Arethusa, 87 

 Argemone, 129 

 Arisaema, 65 

 Aristida, 21 

 Aristolochia, 279 

 Aristolochiales, 278 

 Armoracia, 133 

 Arnica, 309 

 Arrhenatherum, 28 

 Arrow-head, 7 

 Arrow-wood, 274 

 Arsenococcus, 218 

 Artichoke, 305 



Jerusalem, 305 

 Abtocarpaceae, 103 

 Arum Family, 65 

 Asaraceae, 278 

 Asarum, 278 

 asclepiadaceae, 228 

 Asclepiadales, 227 

 Ascyrum, 191 

 Ash, 224 



Flowering, 224 



Prickly, 224 



Eed, 224 



White, 224 

 Asimina, 125 

 Asparagus, 76 

 Aster, 293 



Golden, 289 



White-topped, 299 

 Atheropogon, 29 

 Atragene, 124 

 Atriplex, 110 

 Avena, 27 

 Avens, 150 

 Azalea, 216 



Clammy, 216 



Smooth, 217 



Baccharis, 300 

 Balloon-vine, 185 

 Balm, 252 



Lancaster County Flora 21 



321 



