I N DEX, 



Aaron's Rod, 36. 

 Abele, 9G. 

 Abies, 96. 

 Abutilon, IS. 

 Acalypha, 90. 

 Acer, 22. 

 Achillea, 54. 

 Acnida, 86. 

 Acolium, 173. 

 Acorus, 98. 

 Actaea, 3. 



Adam's Needle, 109. 

 Adder's Tongue, 137. 

 Adiantum, 135. 

 Adlumia, 5. 

 , 22. 

 , 41. 

 Agrimonia, 31. 

 Agrimony, 31. 

 Agropyrum, 133. 

 Agrostis, 127. 

 Ailanthus, 20. 

 Aira, 128. 

 Alder, 62, 64. 94. 

 Alectoria, 167. 

 Aletris, 105. 

 Alfalfa, 25. 

 Algae, 152. 

 Alisrna, 101. 

 Alismaceaa, 101. 

 Allium, 108. 

 Alnus, 94. 

 Alopecurus, 125. 

 Alsyke, 24. 

 Alyssum, 8. 

 Amarantaceae, 85. 

 Amaranth, 85. 

 Amarantus, 85. 



Amaryllis, 105. 

 Amaryllidaceae, 105. 

 Ambrosia, 51. 

 Amelanchier, 34. 

 American Cowslip, 65. 

 Ammania, 39. 

 Ampelopsis, 21. 

 Amphicarpaea, 29. 

 Amsinckia, 75. 

 Anabaena, 163. 

 Anacardiaceas, 21. 

 Anacharis, 102. 

 Anagallis, 66. 

 Anaphalis, 55. 

 Andromeda, 62. 

 Andropogon, 124. 

 Anemone, 1. 

 Anemonella, 1. 

 Angelica, 40. 

 Anomodon, 146. 

 Antennaria, 55. 

 Anthemis, 54. 

 Anthoxanthum, 125. 

 Anychia, 17. 

 Aphanorhegma, 143. 

 Aphanothece, 165. 

 Aphyllon, 67. 

 Apios, 29. 

 Apocynaceae, 81. 

 Apocynum. 81. 

 Apple, 34. 

 Apple of Peru, 79. 

 Aquifoliaceae, 64. 

 Aquilegia, 3. 

 Arabis, 6. 

 Araceae, 97. 

 Aralia, 42. 

 Araliaceae, 42. 



