INDEX 



451 



Dicotyl Seed, gross structure of, 217 



stems, 140, 147 

 Dicotyledoneae, characteristics of, 308, 



309 



Dictyophora duplicata, 279 

 Dicypellium carophyllatum, 332 

 Diervilla, 400 



Differences between Gymnosperms 

 and Angiosperms, 58, 59 



roots and stems, 123 



histological, between leaves of 

 Dicotyls and Monocotyls, 

 176 

 Digitalis, 392 



purpurea, 393 



trichomes of, 107 



var. gloxinaeflora, 394 

 Digitoxin, micro-chemic test for, 83 

 Dionaea muscipula, 65, 67, 335 

 Dioscorea, 5, 303 



villosa, 303 

 Dioscoreaceae, 303 

 Diosma, 349, 350 

 Dittany, 350 

 Division, 2 

 Dodder, 124, 13? 

 Dog Bane Family, 384 

 Dogwood Family, 378 

 Dog's Tooth Violet, life history of, 53, 



58 



Dorema Ammoniacum, 378 

 Dorsoventral leaf blades, 169 

 Dracena Draco, 301 

 Dragon's Blood, 300 

 Drimys Winteri, 324 

 Drosera, 335 



effect of mechanical stimulus in, 

 67 



longifolia, 336 



intermedia, 336 



rotundifolia, 336 

 Droseraceae, 335 

 Drupe, 209 



fig. of, 210 



Dryopteris Filix-mas, alternation of 



generations in, 44 

 comparative physiology of root, 

 stem and leaf, 39, 40 



fig. of, 34 

 gross structure of stem, 33 



sori and sporangia, 40 

 growth of seedling into mature 



sporophyte, 44 

 histology of growing apex, 36 

 lamina, 38 

 mature root, 36 



stem, 33 

 root apex, 37 

 sori and sporangia, 40 

 stipe, 37 



history of gametophyte genera- 

 tion, 41, 45 



sporophyte generation, 33, 4 1 

 Dryopteris Filix-mas, origin of new 

 sporophyte or diploid plant 

 from fertilized egg, 44 

 vascular bundles of, 35, 292 

 Dryopteris marginalis (frontispiece}, 



292 



Duboisia myoporoides, 391 

 Dulcamara, 391 

 Duramen, 152 



Ear fungi, 271 

 Earth Stars, 279 

 Earth Tongues, 265 

 Ebenales, 380 

 Ecballium Elaterium, 401 

 Echinacea, 406 

 Echinocactus, 370 

 Echinocereus, 371 

 Echium, 389 

 Ecology, i, 408 

 Economic Botany, 2 

 Ectocarpus siliculosus, 242, 243 

 Ectoplasm, 39 

 Egg Plant, 391 



