214 



INDEX 



Chess, 7. 



Chestnut, 95, 96, 101. 

 Chlorine, 16, 18. 



Chlorophyl, 58, 59, 60, 61, 62, 63, 

 64, 67, 69, 70, 76, 77, 144, 

 183. 



Circular movement, 112. 

 Climbing roots, 28. 

 Clot-bur, 171-175. 

 Clover, 41, 205. 

 Club-mosses, 136. 

 Cob, 166. 

 Cockscomb, 159. 

 Cocoanut, 155-162. 

 Cocos nucifera, 155-162. 

 Cold, influence of, 89-92. 

 Cold-air drainage, 90. 

 Coleus, 15, 69, 70, 90, 132. 

 Collenchyma, 98. 

 Colors, 58-71, 120. 

 Columnar roots, 29. 

 Communities, 190-201. 

 Compass plants, 75, 76. 

 Composition of plants, 8-11. 

 Compounds in plants, 18. 



of soil 30, 31. 



of air, 57. 



Conacephalus, 51, 55, 136. 

 Contact, influence upon roots, 43. 



upon tendrils, 126. 

 Copper, 17. 

 Corallorhiza, 48. 

 Coral-root, 48, 77. 

 Core, 176. 

 Corn, 15, 99, 100, 111, 121, 155, 165- 



171. 



Corpse plant, 47. 

 Cotyledon, 160, 163, 164, 172, 173, 



179, 180. 



Cross-pollination, 202. 

 Cuscuta, 45. 

 Cuticle, 71, 84. 

 Cuttings, 132, 133. 

 Cystopteris, 136. 



Darwin, 43. 



Date, 162-165. 



Dew, 85, 106, 107. 



Dewberry, 137. 



Digestion, 77. 



Digestive fluid, 79. 



Dissemination, 138, 149, 150, 151, 



170, 177. 



Distribution, 130. 

 Disuse, effects of, 48, 76, 77. 

 Division, 136, 137. 

 Dodder, 45-47. 

 Duckweed, 30, 209. 



Egg, 132, 139, 149, 152, 153. 



Elements in plants, 16, 17. 



Elms, 4, 5, 41, 96. 



Embryo, 159, 160, 167, 172, 178, 179. 



Embryo sac, 152, 153. 



Embryonic tissue, 96, 108, 115, 116. 



Endosperm, 159, 167, 168. 



Endurance of seeds, 168-170. 



Energy of the plant, 182-190. 



Enzym, 160, 168. 



Epidermis, 27, 156. 



Epsom salts, 18. 



Equisetum, 13. 



Evergreens, 87. 



Extinction of species, 131. 



Families, 24. 



Ferns, 1, 4, 50, 80, 136, 139, 140, 



141, 145, 146, 193, 200. 

 Fertilization, 151, 152. 

 Ficus, 29. 



Fixation, 24-29, 50-53. 

 Flower, structure of, 146-148. 

 Food, 18. 



Food-formation, 57, 58, 61, 80. 

 Forcing, 121, 122. 

 Forests, 196-204. 

 Foundations of society, 192. 

 Freezing, 89-92. 

 Frost, 89-92. 



