INDEX 



66 1 



Datura, 359 

 Daucus, S33 



carota, 533 



varieties of, 535 

 Delaware grape, 501 

 Dent corn, 178, 180 

 Dermatogen, 17 

 Dewberry, 355 



blackberry, 354 



key to principal species of, 356 



northern, 356 



Pacific Coast, 352 



southern, 356 



western, 356 

 Dextrins, 185 

 Diastase, 142 

 Dichogamy, 169 

 Dicot stem, 33 



stem, growth in thickness of, 38 

 Dicotyledones, 63 

 Dimorphism, 292 

 Dioscorea batatas, 556 

 Dioscoreaceas, SS^ 

 Disk flowers, 627 

 Distichlis, 55 

 Dock, 284 

 Dolichos bean, 422 

 Domestic onions, 243 

 Double fertilization, 53 

 Dracaena, 229 

 Dried apples, 383 

 Drosera, 47 



Drumhead cabbages, 332 

 Drupe, 393 

 Drupaceae, 391 

 Duboisia hopwoodii, 600 

 Duckweed, 2 

 Dukes, 403 

 Durra, 196, 197 



Durum wheat, 89, iii, 112, 113 

 Dutch case-knife bean, 423 



clover, 433 

 Dwarf bilberry, 546 



Dwarf broom corn, 200 



purple eggplant, 587 

 Dye-weed, 414 



Ear, 162 



Early or forcing radishes, 243 

 Earth apple, 639 

 Ecballium elaterium, 606 

 Echinochloa, 88, 210 



crus-galli, 210, 219, 220 



frumentacea, 210, 220 

 Echinocystis lobata, 606 

 Ectoplasm, 6 

 Edible-podded pea, 418 

 Egg nucleus, 50 

 Eggplant, 585 



common, 586 



dwarf purple, 587 



snake, 587 

 Egyptian cotton, 510 



onions, 241, 242 



millet, 213 

 Eichhornia speciosa, 16 

 Einkorn, 85, no 

 Eleusine coracana, 210 

 Elodea, 29 

 Embryo, 96 



sac, so 

 Emmer, 89, iii, 112, 113 

 Endive, 636 

 Endocarp, 58 



Endodermis, 17, 57, 96, 102 

 English currants, 501 

 Entire wheat, 108 

 Epiblast, 104 

 Epidermis, 34 

 Epigaea rcpens, 543 

 Epiphyte, 28 

 Episperm, 10 1 

 Equisetales, 64 

 Erect-eared barley, 147 

 Ericaceae, 543 

 Erigeron, 625, 628 



