188 



Honey Locust, 47. 

 Honeysuckle Family, 58. 

 Honeywort, 57. 

 Hooked Crowfoot, 30. 

 Hop, 95. 



Hop Hornbeam, 98. 

 Hordeura, 128. 

 Horehonnd, 82. 

 Hormotrichura, 167. 

 Hornbeam, 98. 

 Horned Pond-weed, 104. 

 Hornwort Family, 9S. 

 Horse Chestnut, 43. 

 Horseradish, 33. 

 Horsetail, 133. 

 Horsetail Family, 133. 

 Horse-weed, 62. 

 Hottonia, 76. 

 Hound's-tongue, 84. 

 Houseleek, 52. 

 Houstonia, 60. 

 Huckleberry, 71. 

 Hudsonia, 36. 

 Humnliis, 95. 

 Hungarian Grass, 129. 

 Hydrocharidacese, 107. 

 Hydrocotyle, 55. 

 Hyoscyamus, 86. 

 Hyoscyamns niger, 15, 86. 

 HypericacetB, 37. 

 Hypericum, 37. 

 Hypnese, 142. 

 Hypiium, 142, 172. 

 Hypoxys, 110. 

 Hyssopus, 81. 



Ilex, 74. 

 Bicineas, 74. 

 Uysanthes, 79. 

 Impatiens, 41. 

 Indian Corn, 130. 

 Indian Cucumber-root, 111. 

 Indian Grass, 130. 

 Iiidian Hemp, 87. 



Indian Pipe, 74. 



Indian Poke, 111. 



Indian Rice, 122. 



Indian Tobacco, 70. 



Indian Turnip, 103. 



Inkberry, 75. 



Interrupted Flowering Fern, 136. 



Inula, 64. 



Ipomoea, 84. 



IridaceiB, 110. 



Iris, 110. 



Iris Family, 110. 



Irish Moss, 160. 



Isoetes, 131. 



Iva, 64, 169. 



Ivy, 42. 



Jack-in-the-pulpit, 103. 

 Jerusalem Artichoke, 65. 

 Jerusalem Oak, 89. 

 Jewel-weed (Impatiens), 41. 

 Jointed Charlock, 35. 

 Joint-weed, 91. 

 Josselyn, John, 14, 20. 

 Juglandacese, 96. 

 Jnglans, 96. 

 Juncaceaj, 113. 

 Juncus, 113. 

 June-berry, 51. 

 June Grass, 126. 

 Jungermannia, 145. 

 Jungermanniacese, 144. 

 Juniper, 102. 

 Juniperus, 102. 



Kalmia, 73. 



Kelp, 163. 



Kentucky Blue Grass, 126. 



Knapweed, 68. 



Knawel, 39. 



Knot-grass, 92. 



Krigia, 68. 



LabiatsB, 80. 



