INDEX 



1055 



Dryopteris — continued 



— development of prothallus, 493 

 of sex organs, 495 



of sporangium, 488 



— fertilization and development of the 



embryo, 500 



— gametophyte generation, 494 



— sporophyte generation, 502 

 Dryopteris fiUx'ituis, 4^^g, 481 

 Duckweed, 833 



Dujardin, 8 

 Dung flora, 337 

 Duramen, 897 

 Dwarf shoots, 661 



Ecads, 949 

 Ecology, 2 

 Economic Botany, 2 

 Ectocarpales, 1 1 1 

 Ectocarpus, iii, 186, 447 



— asexual reproduction, 112 



— relative sexuality, 113 



— sexual reproduction, 113 

 Ectocarpus s^cundus, gametes, 113 

 Ectoplasm, 14, 189 

 Ectotrophic mycorrhiza, 671 

 Eichler, 678 



Eichortiia, 805 



Elaters, 396, 406 



Eleagnaceae, 869 



Elementary tissues, parenchymatous types, 



453 



prosenchymatous types, 460 



Elephant's Foot, 939 

 Elm, 837, 838, 841, 966 

 Elodea, 798 

 Embryo, 29 



— sac, 639 

 Embryology, 2 

 Emergences, 869 

 Encephalortos, 708, ^og, 714, 721 

 Enchanter's Nightshade, 845 

 Endochiton, 142 



Endodermis, 457, 791, 800, 863, 879 

 Endogenous branching, 845 



— roots, 787, 805 

 Endoplasm, 15 

 Endosperm, 637, 684, 781 

 Endothecium, 413, 722, 738 

 Engler, Adolf, 45 



Entire leaves, 950 

 Entophylyctis bulligera, 203 

 Environmental heterophylly, 967 

 Ephedra; 748, 749, 760, 761, 762, 



763 



— anatomy of stem, 750 



— embryogeny, 759 



— female gametophyte, 756 

 strobilus, 755 



• — fertilization, 756 

 ■ — germination, 759 



— male gametophyte, 755 

 strobilus, 753 



— reproduction, 753 

 Epiblem, 797 

 Epidendrum, 439 



Epidermal outgrowths, 468, 869 



Epidermis, 455, 863, 867 



— multiple, 869 



— of leaf, 1003 

 Epilohium atigustifolium, 827 

 Epiphragm, 330, 333, 436 

 Epiphyllum, 926 

 Epiphytes, 1 1 1 

 Epithelium, 669 

 Epithem, 1028 

 Equational division, 22 

 Equatorial plate, 20 

 Equifacial structure, loiy 

 Equisetales, 618 

 Equisetum, 6j'j, 1008 



— alternation of generations, 633 



— anatomy of leaf, 625 



of root, 627 



of stem, 621 



— development of archegonium, 632 

 of embryo, 632 



of sporangium, 627 



of strobilus, 627 



— prothallus, 630 



— relationships, 636 

 Equisetum orz^ense, 618 



— telmateia, 619 

 Ergastic substance, 10 



Ergot, economic importance of, 285 



— of Rye, 281 

 Ergotamine, 285 

 Ergotoxin, 285 

 Erica, 868 



Eriodeiuiron anfractuosum, 813 



Eropliila terna, 38 



Eryngium agavifolium, 959, 995 



■ — maritinium, 1020 



Erysiphales, 252 



Erysiphe ; sexual reproduction, 258 



Erysiplw graininis, 258 



— polygoni, 256 

 ErytJirocliiton, 998 

 Eschericliia coli, 349 

 Eubacteriales, 348 

 Eucalyptus, 963, 964, 969 



— amygdalina, 834 



— globulus, 90J 

 Euchromatin, 18, 23 

 Eudorina, 65 



— reproduction, 65 

 Eudorina illinoisensis, 66 

 Euglena ; reproduction, 53 

 Euglena deses, 54 



— viridis, 52, 53 

 Euglenoid movement, 53 

 Euglenophyceae, 46, 48, 51, 52 

 Eupatorium, 799 

 Euphorbia, 1037 



— peplis, 992 



— splendeus, 474, 475 



— uulfenii, 987 

 Eurotium herbariorutn, 250 

 Eusporangiatae ; Marattiaceae, 533 



— Ophioglossaceae, 539 

 Evolution, 4 



Exarchy, 569, 579, 599, 791. 803 

 Exochiton, 142 

 Exodermis, 627, 791, 799 

 Exogenous buds, 842 

 Exo-intine, 675 



