220 



INDEX 



Dogwood, Figs. 92, 95, 108, pp. 



155, 160, 175 

 Dormant bud, 149 



Fig. 85, p. 147 

 Dorsal surface of leaves, 152 

 Double fertilization, 117 

 Doubly-serrate margin of leaves, 



157 



Fig. 93, p. 157 

 Dracema sp., Fig. 98, p. 163 

 Drosera intermedia, Fig. 103, p. 



168 



rotundifolia, Fig. 103, p. 168 

 Drupaceous fruits, 197 



Fig. 125, p. 196 

 Drupe, 197 



Fig. 125, p. 196 

 Drupelet, 197 



Fig. 125, p. 196 

 Dry fruit, 193 

 Dryopteris marginalis, Figs. 37, 39, 



pp. 73, 75 

 thelypteris, Fig. 39, p. 75 



EGG cell, 101, 116 

 Elder, Fig. 102, p. 167 



flowers, Fig. 108, p. 175 

 Elliptic outline of leaves, 161 



Fig. 96, p. 161 

 Elm, Fig. 122, p. 19 

 Elongated torus, 177 

 Emarginate apex of leaves, 159 



Fig. 95, p. 160 

 Embryo, 84, 208 



sac, 101 



sporophyte, 105 

 Enclosed ovules, 117 

 Endocarp, 192 

 Endosperm, 108, 117 



nucleus, 116 

 Entire margin of leaves, 156 



Fig. 93, p. 157 

 Entomophilous flowers, 189 

 Epicarp, 192 

 Epigynous flowers, 185 



Fig. 117, p. 187 

 Epiphragm, 65 

 Equisetacese, Fig. 47, p. 87 

 Equisetales, 86 



Fig. 47, p. 87 

 Equisetum arvense, 86, 88 



Equisetum arvense, Figs. 47-51, 



pp. 87-90 

 Erect plants, 139 



Fig. 79, p. 138 



Erigeron canadensis, Fig. 91, p. 154 

 Etserio, 197 



Fig. 126, p. 198 



Eucalyptus globulus, Fig. 96, p. 161 

 Eupatorium perfoliatum, Figs. 91, 



134, pp. 154, 212 

 Evergreen, 97 



leaves, 169 

 Figs. 100, 101, pp. 165, 166 



plants, Fig. 101, p. 166 



wood fern, Figs. 37, 39, 40, 41, 



pp. 73, 75, 76, 77 

 Everlasting, Fig. 96, p. 161 

 Exalbuminous seeds, 208 

 Excurrent stems, 133 

 Exine, 116 

 Exocarp, 192 

 Exogonium purga, root, Fig. 73, 



p. 128 



FAGUS grandifolia, Fig. 83, p. 143 

 Falcata comosa, Figs. 80, 130, pp. 



140, 202 

 Falcate outline of leaves, 159 



Fig. 96, p. 161 

 Fasicled leaves, 167 

 Fig. 99, p. 164 



roots, 130 

 Fasicles, 97 

 Fermentation, 43 

 Fermentative bacteria, 37 

 Ferns, 21, 72 



development of sporophyte, 84 



fertilization, 84 



Figs. 37-46, pp. 73-84 



fronds or leaves, 72 



gametophyte, 82 



habitat, 72 



morphology of sporophyte, 72 



reproduction, 80 



spores, 79 



sporophyte, 82 



summary, 82 

 Fertilization, 104 

 Fibrous roots, 131 

 Fig. 71, p. 128 



stems, 139 

 Ficus carica, Fig. 128, p. 200 



