2o6 



INDEX 



Dicotyledon, 20, 

 Dicotyledonous stems, 61. 

 Digestion, 95. 

 Digitate, 74. 

 Dimorphous, 144. 

 Dioecious, 13S, 170. 

 Dispersal of seeds, 172. 

 Dissection, 30. 

 Dodder, t^^, 106. 

 Drupe, 168. 

 Drupelet, 168. 



Ecology, 14. 

 Elaters, 198. 



Embryo, 26, 180. 

 Embryo sac, 180. 

 Endodermis, 44. 

 Endosperm, 21, 24. 

 Entomophilous, 148. 

 Environment, 6. 

 Epicotyl, 23, 25. 

 Epidermis, of leaf, 86, 87. 

 Epxgeal, 23. 

 Epiphyte, 35, no. 

 Equisetums, 201. 

 Essential organs, 135. 

 Excurrent, 51. 

 Explosive seeds, 172. 



Fermentation, 190. 



Fern, 176. 



Fertilization, 144; cross, 144, 146; 

 self, 145, 147, 188. 



Fibro-vascular bundles, 61, 90. 



Field study, 3, 6, 8, 14, 19, 27, 46, 57, 

 71, 84, 91, loi, no, 118, 128, 132, 

 143, 152, 162, 170, 174, 181. 



Filament, 135. 



Floral envelopes, 133. 



Florets, 140- 



Flower, 133, 180; apetalous, 136; 

 clusters, 155; complete, 136; dicli- 

 nous, 137; double, 142; imperfect, 

 137; incomplete, 136; lateral, 136; 

 naked, 136; perfect, 137; pistillate, 

 137; regular, 138; staminate, 137; 

 sterile, 137; solitary, 156; terminal, 

 156. 



Foliage, 16. 



Follicle, 165. 



Forestry, 68. 



Framework of plant, 15. 



Frond, 176, 178, iSi. 



Fruit, 163. 



Fucus, 186. 



Funaria, 201. 



Fungi, 187. 



Fungus, 107, loS, 1S4, 187, 195. 



Gamctophyte, 179. 

 Gamopetalous, 134. 

 Gamosepalous, 134. 

 Generation of plants, 16. 

 Geotropism, 44, 47. 

 Germination, 22, 23, 27. 

 Glomerule, 160. 

 Grafting, 125. 

 Grit cells, 67. 

 Guard cells, 88. 

 Gymnosperm, 26, 170. 



Hairs, 87. 

 Herb, 17. 

 Hilum, 21, 26. 

 Hip, 168. 

 Hollyhock, 147. 

 Homologous, 134, 135. 

 Host, 107. 



Houstonia, 107. i 



Hyphse, 107, 188. 

 Hypocotyl, 22. 

 Hypogcal, 23. 



Indehiscent, 164. 



Indusium, 177. 



Inflorescence, 155, 160. 



Internodc, 52. 



Involucre, 34, 141, 163, 164. 



Iron, 39. 



Isoetes, 203. « 



Key fruit, 164. 



Laboratory, 3. 

 Landscape, 13. 



Larkspur, 14S, 149. 

 Latex tubes, 67. 



Leaf, apex of, 80; base of, 80; function 

 of, 92; margin of, 80; structure, 86. 

 Leaf scar, 90. 

 Leaves, arrangement of, 82; shapes of, 



78, 85. 



Legume, 165. 

 Legume family, 35, 169. 

 Lenticel, 89. 

 Lichens, 195. 

 Ligneous, 17. 

 Liverworts, 196. 

 Lobes of leaf, 75. 

 Locule, T36, 163, 166. 



