124 



Asclepiadacea?, 112. 

 Asclepias, 56, 64, 77, 



112. 

 Ash, 18, 22, 28. 

 Asparagus, 28, 99. 

 Aspen, 7. 



Asperugo, 32, 112. 

 Aspidium, 52, 97. 

 Asplenium, 51, 97. 

 Aster, 76, 85, 88, 91, 



92, 109. 

 Astilbe, 44. 

 Atriplex, 79, 114. 

 Avena, 60, 102. 

 Avens, 54. 

 Azalea, 23. 

 Baccharis, 92, 109. 

 Bachelor's Button, 40. 

 Bald Cypress, 7. 

 Ballota, 70, 113. 

 Balm, 67. 



Balm of Gilead, 8. 

 Balsam, 61, 105. 

 Balsaminacese, 105. 

 Baneberry, 26. 

 Baptisia, 61, 106. 

 Barbarea, 20, 104. 

 Barberry, 26. 

 Barley, 60. 

 Barnyard Grass, 80. 

 Bartonia, 72, 112. 

 Basil, 70. 

 Basswood, 53. 

 Bastard Pennyroyal, 88 

 Bastard Toad-flax, 34. 

 Bayberry, 29. 

 Beach Pea, 31. 

 Beak Rush, 59. 

 Beaked Hazelnut, 6. 



Bean, 74. 

 Bearberry, 9. 

 Beard Grass, 87. 

 Beard-tongue, 34, 57. 

 Bedstraw, 46, 62, 63. 

 Bee Balm, 67. 

 Beech, 27. 

 Beech-drops, 88. 

 Beech Fern, 51. 

 Beggar-ticks, 89. 

 Bellflower, 64. 

 Bellis, 11. 

 Bent Grass, 50. 

 Benzoin, 9, 115. 

 Berberidacese, 103. 

 Berberis, 26, 103. 

 Bergamot, 67. 

 Berula, 62, 108. 

 Betula, 17, 115. 

 Betulace^, 115. 

 Bidens, 84, 89, 110. 

 Bindweed, 47, 56. 

 Birch, 17. 

 Bird Cherry, 21. 

 Bird-foot Violet, 11. 

 Bitter Cress, 20. 

 Bitter Nut, 28. 

 Bitter Dock, 39. 

 Bittersweet, 47. 

 Black Gum, 47. 

 Black Bindweed, 66. 

 Black Horehound, 70. 

 Black Snakeroot, 39. 

 , Black Alder, 57. 

 Black Walnut, 28. 

 Black Grass, 42. 

 Blackberry, 31, 38. 

 Black Oat-grass, 40. 

 Black Senna, 43. 



Bladder Campion, 44. 

 Bladder Fern, 52. 

 Bladdenvort, 55, 72, 73. 

 Blazing Star, 89. 

 Blite, 78, 79. 

 Bloodroot, 6. 

 Blueberry, 13, 23. 

 Bluebottle, 40. 

 Blue-eyed Grass, 33. 

 Blue Flag, 33. 

 Bluets, 17. 



Blue Joint Grass, 60. 

 Blue-weed, 46. 

 Blue Vervain, 71. 

 Boehmeria, 72, 115. 

 Boraginaceae, 112. 

 Boston Ivy, 68. 

 Botrichium, 52, 82, 97. 

 Bottle-brush Grass, 81. 

 Bouncing Bet, 68. 

 Boxberry, 64. 

 Box Elder, 8. 

 Box Tree, 10. 

 Brachyelytrum, 60, 102. 

 Brake, 51. 

 Bramble, 31. 

 Brasenia, 58, 103. 

 Brassica, 20, 104. 

 Bridal Wreath, 21. 

 Brier, 34. 



Bromus, 19, 36, 103. 

 Brome Grass, 19. 

 Broom, 30. 

 Brunella, 39. 

 Bryophytes, 116. 

 Buckbean, 24. 

 Buckeye, 29. 

 Buckthorn, 21, 33. 

 Buffalo Berry, 11. 



