INDEX 



401 



Dicotyledonous stem, minute struc- 

 ture of, 86-98* 



Dicotyledonous stem, rise of water 

 in, 107, 108, *109. 



Dimorphous flowers, *366, 367. 



Dioecious, 200. 



Discharge of pollen, *211. 



Disk-flowers, 188, 189. 



Dispersal of seeds, 376-386*. 



Dispersal of seed-plants, 373-376. 



Distinct, 201. 



Distribution of material in mono- 

 cotyledonous stems, *84, 85. 



Dock fruit, study of, 219, 220. 



Dodder, 39, *40, 41. 



Dormant buds, 127, 128'. 



Double flowers, 209. 



Drip-leaves, *314. 



Drosera, *341, *342, 343. 



Drought, endurance of, 162, 168. 



Drought-plants, 313-317*. 



Dry fruits, 224. 



Duckweed, 314. 



Duct, *92. 



Earliest plants, 298. 



Ecology, 2, 307. 



Egg, osmosis in, 50, *51. 



Egg-cell, *249, *251, 280, *284, 285. 



Elaters, 294. 



Elliptical, *131. 



Elm, *67. 



Elm bud, *125. 



Elm fruit, *223. 



Elm leaf, 130, 133. 



Elm, twig of, *125. 



Emarginate, *131. 



Embryo, 6, 17. 



Embryo sac, *215. 



Endosperm, *15, *16, 17, 19. 



Energy, source of, in plants, 173. 



Enslaved plants, 338, *339. 

 Epidermis, uses of, 156, *157. 

 Epidermis of root, *42, *44. 

 Epigynous, 204, *205. 

 Epipetalous, 204, *205. 

 Epiphytes, 322, *323. 

 Equisetales, 232. 

 Equiseturu, study of, 292-295*. 

 Essential organs, *197. 

 Euphorbia splendens, *350. 

 Evergreen, 175. 

 Evolutionary history of plants, 



298-305. 



Excretion of water, 172, 173. 

 Excurrent trunk, *66. 

 Existence, struggle for, 387-393. 

 Exogenous, 96. 

 Explosive fruits, 377. 



Fall of horse-chestnut leaf, *137. 

 Fall of the leaf, 175, 176. 

 Family, 230. 



Family, subdivisions of, 231. 

 Fascicled roots, *41. 

 Fermentation, 269. 

 Fern, study of, 286-289*. 

 Fern-plants, 295-297. 

 Ferns, 290, 291. 

 Fertilization, *214, *215, 21i. 

 Fibrous roots, *41. 

 Fibro-vascular bundles, *83. 

 Ficus elastica, leaf of, *154. 

 Ficus religiosa, drip-leaf of, *314. 

 Fig, transpiration in, 160, *161, 



162. 



Filament, 201, 202, *203. 

 Filicales, 232. 

 Fir wood, *93. 

 Fission, *242. 

 Fission-plants, 232. 

 Fittest, survival of, 394, 395. 



