INDEX 



483 



Dimorphism in gamete plants of 



Equisetum, 346. 

 Dioecious, 237, 252, 253, 307, 349, 



376. 



Dioecious flowers, 158. 

 Dimorphic flowers, 158. 

 Dionaea muscipula, 81. 

 Diphtheria, 137, 138. 

 Disk flowers, 153, 154. 

 Distribution of plants, 431. 

 Dodder, 127. 



Downy mildews, 256-259. 

 Drapernaudia, 222. 

 Drosera rotundifolia, 81. 

 Drupaceae, 407. 

 Drupe, 192, 408. 

 Drupelet, 192. 



Earth stars, 299. 



Easter lily, 44, 166, 401. 



Ecology, 421. 



Economic plants, 392-420. 



Ectocarpus, 236. 



Ectoplasm, 214, 215. 



Edaphic plant societies, 451. 



Egg, 224, 225, 227, 230, 238, 240, 242, 



255, 258, 309, 310, 325, 336. 

 Egg apparatus of angiosperms, 382, 



384- 

 Egg case, 222-228, 230, 237, 238, 



240, 255, 258, 304, 308, 3 I 7-3 I 9> 



335, 365- 



Egg case of pine, 363, 365. 

 Elaters, 309, 311. 

 Elaters of horsetail, 345. 

 Elfin tree, 450. 

 Elm, American, 405. 

 Elm, buds and snoots, 65. 

 Elm family, 405. 

 Elodea, 98, 100. 

 Emasculation, of flower, 468. 

 Embryo, 1-13, 184-186, 385. 

 Embryo of fern, 337~339- 

 Embryo sac, 184, 380-384. 

 Endocarp, 188, 192, 194. 

 Endodermis, 332. 

 Endoplasm, 214, 215. 

 Endosperm, 5-19, 185, 186, 362, 365. 

 Endosperm nucleus, 382. 

 Endosperm of Angiosperms, 383. 

 Energesis, 90. 

 English ivy, 29. 

 Ensyme, 131. 

 Entomosporium maculatum, 407. 



Environment, influence on plants, 



421. 



Epicarp, 188. 

 Epidermis, 30, 31, 83-85. 

 Epidermis, outgrowth of, 84. 

 Epigaea repens, 415. 

 Epinasty, 79. 



Epipactis, pollination of, 173. 

 Epiphegus, 87, 103, 128. 

 Epithecium, 272. 

 Equisetineae, 210, 343. 

 Equisetum, 117, 352, 354, 355. 

 Equisetum arvense, 344. 

 Equisetum hyemale, 343. 

 Ericaceae, 415. 

 Eupatorium, 76. 

 Evergreens, 62. 



Exalbuminous seeds, 186, 386. 

 Excipulum, 272. 

 Evening primrose, flowers of, 145; 



dwarf, 462; Lamarck's, 461. 

 Evolution, of an individual, 456. 

 Evolution of human societies, 455. 

 Evolution, principles of plant, 455- 



463. 



Evolution, steps in, 457. 

 Exocarp, 188, 192, 194. 



Factors, ecological, 421. 



Fagales, 402. 



Fairy club fungi, 292, 298. 



Fascicled roots, 27. 



Fehling's solution, 18. 



Female members of flower, 379, 380. 



Female nucleus, 227, 258. 



Female organ, 230, 240, 304, 379, 

 380. 



Fermentation, 114, 133-135. 



Fermentation, alcoholic, 114, 134. 



Ferments, 134, 135. 



Fern leaf, structure, 333, 334. 



Fern-like plants, 343~3S6. 



Ferns, 327-342. 



Ferns, bank of, 425. 



Ferns, life history of, 334-338; for- 

 mula for, 342. 



Ferns, review of, 341. 



Ferns, sexual organs, 335, 336. 



Fertilization, 182-184, 217, 222, 224, 

 225, 227, 240, 242, 258, 336, 365, 

 383,384- 



Fertilization in white pine, 365. 



Fertilization, of rust fungi, 281, 

 282. 



