572 



INDEX 



Deciduous trees, 268; forests, 508, 

 509*. 



Deliquescent stem, 168, 168*. 



Demonstration of osmosis, 116, 116*. 



Depth of root systems, 141. 



Desmids, 314, 314*. 



Destructive Toadstools and Bracket 

 Fungi, 388. 



Determinants, 536. 



Development, of ovule into a seed, 

 43, 43*, 44*, 45*; of Bean seed- 

 ling, 107, 106*; of corn seedling, 

 101*, 103*; of Clover seedling, 

 109, 109*; of embryo in Angio- 

 sperms, 466, 466*, 467*; of Onion 

 seedling, 107, 105*; of ovule and 

 pollen tubes in Pine, 455-457, 

 455*, 457*; of wheat seedling, 

 104*. 



De Vries, Hugo, 524, 524*. 



Dextrose, 277. 



Diadelphous stamens, 15, 14*. 



Diagrams of inflorescences, 32*. 



Diatoms, 231, 231*, 232*. 



Dichotomous branching, 429. 



Dicotyledons, 170; herbaceous stems, 

 192, 192*, 193*, 194*, 195*, 196*; 

 woody stems, 197, 198*, 199*, 

 200*, 201*, 202*; venation of 

 leaves, 245, 471, 244*. 



Diffusion, of liquids and gases, 95. 



Dionaea muscipula, 132, 273*. 



Direction of growth in roots, factors 

 influencing, 150, 151*. 



Dioon, staminate strobilus, 447*. 



Discovery of the cell, 112. 



Dissemination of seeds and fruits, 82; 

 by animals, 84, 85*, 86*; by 

 explosive or spring-like mechan- 

 isms, 87, 87*; by water, 84; by 

 wind, 82, 83*, 84*. 



Distribution of plants, 5. 



Diversity of plant forms, 5. 



Divisions, in classification, 291; of 

 Fungi, 252. 



Dock, 59, 60, 128*. 



Doctrine of Special Creation, 514. 



Dodder, 59, 163, 163*, 489. 



Dogbane, 133. 



Doll rag germinator, 99, 99*. 



Dominance, law of, 543; impure, 545; 



pure, 545. 



Dominant characters, 543. 

 Dormant buds, 211. 

 Downy Mildews, 355; of Ginseng, 



358, 361*; of Grapes, 355, 355*, 



356*; of Potatoes, 357, 257*, 



358*, 359*, 360*. 

 Double fertilization, 43, 465, 465*. 

 Drosera, 132, 272*. 

 Dry plain societies, 509. 

 Duckweeds, 9, 505. 

 Dutchman's Breeches, 170. 



Earthstar, 391, 391*. 



Ecbalium Elaterium, 87*. 



Ecology, plant, 2; nature, 500. 



Ecological factors, 501. 



Ecological societies, 504. 



Economic Botany, 3. 



Ectocarpus, 320, 321*. 



Edible Boletus, 387*. 



Elaboration of foods into plant 

 structures, 95. 



Elaters, 411. 



Elm, 9; family, 478; tree, 168*, 176*. 



Embryology, 2. 



Embryo sac, 39; of Corn, 40, 39*, 44*; 

 of oats, 40, 40*, 45*; of Red 

 Clover, 40, 38*, 42*, 45*; of To- 

 mato, 43*. 



Embryo, development from fertilized 

 egg, 43, 44, 44*, 45*; of Apple 

 and Squash, 59*; parts of Bean 

 embryo, 56, 56*; of Corn, 44*; 

 parts of corn embryo, 63, 63*, 

 64*; of Cotton, 59, 59*; dicotyle- 

 donous type, 466, 466*; function, 

 55; monocotyledonous type, 466, 

 467*; of Oats, 45*; of Potato and 

 Buckwheat, 60*; of Red Clover, 

 45*; of tomato, 43*. 



Endodermis, of roots, 147. 



Endogenous development, 197. 



Endophytes, 297. 



Endothia parasitica, 371, 372*. 



