160 



INDEX 



Composition of roots and seeds, 



14. 

 Compound leaves, 85. 

 Conceptacle, 110. 

 Cones, 144, 149. 

 Coniferous forests, 156. 

 Conifei-s, 147. 

 Conjugation, 100. 

 Corn, 3. 

 Corolla, 52. 

 Cortex, 11, 27. 

 Cortical cell, 114. 

 Corymb, 57. 

 Cotyledons, 2. 

 Crowfoot Family, 66. 

 Cupule, 182. 

 Cypripedium, 55. 

 Cytoplasm, 94. 



Desmids, 103. 

 Diadelphous, 64. 

 Diatoms, 111. 

 Dicotyledons, 2, 27. 

 Diojcious, 50. 

 Disk, 86. 



Divided leaves, 35. v 

 Dog-tooth Violet, 54. 

 Dogwood Family, 69. 

 Downs, 91. 



Ecology, 38, 41, 103, 130. 



Elater, 133, 144. 



Embryo, 2, 3. 



Endosperm, 4. 



Epidermis, 11, 33, 139, 149. 



Erythronium, 64. 



Experiments, seed, 2, 9, 10 ; 

 seedling, 8, 9 ; root, 13, 14, 15 ; 

 stem, 21, 22 ; leaf, 39, 40, 

 41 ; flower, 66, GG, 79; fruits, 

 90, 91, 92; algaj, 95, 98, 99, 

 101, 108, 109 ; fungi, 115, 116, 

 117, 119; mosses, 136, 137. 



Evergreen leaves, 38. 



Evergreens, 147. 



Evolution, 146. 



Fall flowers, 83. 

 Fall fruits, 90. 

 Fern plants, 137-147. 

 Ferns, 137. 



Fertilization, 48. 



Field work, algje, 129 ; fungi, 

 129 ; mosses, 134 ; ferns, 138; 

 flower-plants, 45-79. 



Figwort Family, 73. 



Filament, 47, 98. 



Flower-parts, 84. 



Flower plan, 66. 



Flower-rank, 76. 



Flower tables, 65, GG, 75, 77, 78, 

 85, 87. 



Flowers, 45-79. 



Food of green plants, 94 , 108, 

 109. 



Food of plants without chloro- 

 phyll, 115, 117, 119. 



Food storage, 3. 



Forestry, 29. 



Fossil ferns, 142. 



Fruits, 79, 81, 90. 



Fungi, 117-129; cup. 126; high- 

 er, 121, 124 ; imperfect. 116 ; 

 sac, 126. 



Funiclilus, 3. 



Gametes, 107. 



Gametophyte, 100, 135, 141. 

 Gamopetalous, 69. 

 Gemmae, 132. 

 Genus, 100. 

 Geranium, 32. 

 Germination, 8, 106. 

 Germs, 117. 

 Gills, 122. 

 Grafting, 61. 

 Green algaj, 103. 

 Green felt, 106. 

 Green plants, 94. 

 Growing point, 18. 

 Guard-cells, 33, 132. 

 Gymnospenns, 147-156. 



Habitat, 83. 

 Haustoria, 128. 

 Hazel, 50. 

 Head, 76. 

 Hemlock, 153. 

 Hepaticas, 56. 

 Hilum, 1, 3. 



Honeysuckle Family, 76. 

 Horse-tails, 143. 



