Honey Locust, 47. 
Honeysuckle Family, 58. 
Honeywort, 57. | 
Hooked Crowfoot, 30. 
Hop, 95. 
Hop Hornbean, 98. 
Hordeum, 128. 
Horehound, 82. 
Hormotrichum, 167. 
Hornbeam, 98. 
Horned Pond-weed, 104. 
Hornwort Family, 93. 
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. 
Humulus, 95. 
Hungarian Grass, 129: 
Hydrocharidacesz, 107. 
Hydrocotyle, 55. 
Hyoscyamus, 86. 
Hyoscyamus niger, 1, 86. 
Hypericacee, 37. 
Hypericum, 37. 
Hypnee, 142. 
-Hypnum, 142, 172. 
Hypoxys, 110. 
Hyssopus, 81. 
Ilex, 74. 
Nlicinez, 74. 
Tlysanthes, 79. 
Impatiens, 41. 
Indian Corn, 1380. 
Indian Cucumber-root, 111. 
Indian Grass, 130. 
Indian Hemp, 87. 
188 
Indian Pipe, 74. 
‘Indian Poke, 111. 
Indian Rice, 122. 
Indian Tobacco, 70. 
Indian Turnip, 103. 
Inkberry, 75. 
Interrupted Flowering Fern, 136. 
| Inula, 64. 
- Ipomea, 84. 
Iridacee, 110. 
Iris, 110. 
Iris Family, 110. 
Trish 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. 
Juglandacee, 96. 
Juglans, 96. 
Juncacee, 113. 
Juncus, 113. 
June-berry, 51. 
June Grass, 126. 
Jungermannia, 145. 
Jungermanniacee, 144. 
Juniper, 102. 
Juniperus, 102. 
Kalmia, 73. 
Kelp, 163. 
Kentucky Blue Grass, 126. 
-Knapweed, 68. 
Knawel, 39. 
Knot-grass, 92. 
Krigia, 68, 
. Labiatee, 80. 
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