170 



INDEX. 



Cotyledon, 3. 

 Cowslip, 31. 

 Crab-apple, 60. 

 Cross-fertilization, 81, 83. 

 Crowfoots, 32, 51. 

 Cummin, 166. 

 Cuttings, 149. 

 C3Tiara Scolymus, 68. 



Dahlia, 146. 



Daisy, 65. 

 Dalibarda, 96. 

 Dandelion, 64. 

 Dandelion, faU, 97. 

 DarUngtouia, 122, 125. 

 Darwin, 82, 96, 116, 128. 

 De Candolle, 50. 

 Delpino, 83, 86. 

 Desmids, 16. 



Dianthus Caryophyllus, 161. 

 Diatoms, 16. 

 Dichogamy, 88. 

 Dicotyledons, 40. 

 Dimorphous flowers, 90. 

 Dioecious, 81. 

 Dionoea, 128. 

 Dioscorides, 43. 

 Disk, 62. 

 Dog-berry, 00. 

 Drupe, 59. 

 Duck-meats, 130. 



ECHINOCYSTIS, 81, 112. 



Edible fungi, 14. 



Eel-grass, 85. 



Elm, 98. 



Embryo, 3. 



Endive, 65. 



Endogens, 37. 



Entomophilous, 86. 



Epidermis, 71. 



Equisetums, 27. 



Erigeron Cauadense, 106, 



Eucalyptus, 133. 



Evening primrose, pollen of, 81. 



Exogens, 37. 



Eyes on potatoes, 145. 



Fall Dandelion, 97. 

 Families, natural, 52. 

 Feimel flower, 165. 

 Ferns, 23. 

 Fertilization, 83. 

 Figwort, 89. 

 Fitches, 166. 

 Flax, 101. 



Floral envelope, 30. 

 Florets, 61. 



Flower, apetalous, 35. 



complete, 35. 



definition of, 35. 



description of, 29-34. 



gamopetalous, 35. 



incomplete, 35. 



imperfect, 35. 



irregular, 36. 



monopetalous, 35. 



neutral, 35. 



perfect, 35. 



pistUlate, 35. 



polypetalous, 35. 



regular, 36. 



staminate, 35. 

 Flowering-fern, 27. 

 Flowering plants, 5. 

 Flowerless plants, 4. 

 Fruit, 2. 

 Fruit-dots, 24. 

 Fuchs, 43. 

 Fungi, 6. 



Galium, 103. 



Gamopetalous flower, 35. 



Gaylussacia, 164. 



Genera, 47. 



Geotropism, 144. 



Gerardia, 151. 



Gessner, Conrad, 47. 



Gilliflower, 162. 



Git, 166. 



Gith, 166. 



Githago, 167. 



Golden-rod, 61. 



Gonidia, 20. 



Grape mildew, 11. 



Grass family, 51. 



Gray, Asa, 105. 

 I Green-brier, 37. 

 ' Grew, Nehemiah. 78. 



Growth, 70. 



Hairs, 71. 

 Hand-glass, 155. 

 Hawthorn, 60. 

 Heart-wood, 39. 

 Heliamphoia, 125. 

 Hen-and-chickens, 102. 

 Hepaticae, 21. 

 Herodotus, 77. 

 Hidden flowers, 94. 

 Holly, 101. 



Hooded violet, 94, 157. 

 Hop, 108. 

 Horse-tails, 27. 

 Horse-weed, 106. 

 House-leek, 102. 



