238 



INDEX 



Edible pericarp for transportation (303, 

 etc.), 109 



pericarp not from flower, 109 



I)()rtion of fruits, origin of, 110 



s('{>cls, protection to, 109 

 P^ichornia leaf (5G4) 

 Elateriuin, dissemination of (314) 



fruit (314) 

 Eleutheropetalous, 53 

 Eleutherosepalous, 53 

 Eleutherous parts, 44 

 Elliptical (488, 489), 179 

 Elm fruit (287), 98, 121 

 Elongation of internodes of torus (248, 



etc.) 

 Emarginate leaf (509), 182 

 Embryo, development of (364-368), 127 

 132, 136 



forms of, 134 



nourishment of, 128 



parts of, 132 



position of, 133 



protection to, 129 



requirements of, 127 

 Emergences (148), 156 

 Empirical formulae, 41 

 Enation (63), 47 

 Endocarp, 105 

 Endoderm, 140 

 Endophloeum, 150 

 Endopleura, 129 

 Endosperm, 127 

 Entomophilous flowers, 90 



cross pollination in, 91 

 Epicalyx (16, 21-24), 34 

 Epicarp, 105 

 Epicotyl, 138 

 Epidermis (422), 139 



of stem, 145 

 Epigynous (56), 44 



disk (254), 73 

 Epigyny (56), 44 



apparent or false (59, 60) 

 Epilobium seed (384) 

 Equally pinnate (554), 192 

 Equisetaceae, 215 

 Equitant leaves, 176 

 Erect ovules (233), 78 

 Ergot, 210 



Erigeron, akene of (80) 

 Eriosphaera, pappus of (82) 

 Erodium (245) 

 Essential organs, 32 



protection for, 32 

 Etiolated leaf, 193 

 Eucalyptus bud (87) 



leaf (504) 



fruit (319) 

 Eucharidium seed (383) 

 Euonymus, 131 



ovule (236) 

 Eupatorium anther (169) 

 Even pinnate (554), 192 

 Evergreen leaves, 175 



plants, 175 



Exaggeration of growth, 49 

 Exalbumiiious seeds, 128 , 

 Excurrciit stem, 164 

 Exine, 99 

 Exocarp, 105 

 Exodermis, 140 

 Exo])lil()eum, 1.50 

 Ex()j)lcuni, 129 

 Exsert or exserted, 69 

 Exstipulate leaves, 174 

 Extine, 99 



Extrorse attachment, 64 

 dehiscence, 65 



Fagus fruit (346) 

 Falcate leaf (504), 182 

 False septa (220), 76 

 Families of plants, 219 

 Fascicle of flowers, 202 

 Fascicled leaves, 198 



roots, 160 

 Female flower (9), 29 



gametophyte (277), 99 

 Ferns, 216 



oospore (602), 216 

 Fertilization, 90, 98 



in cryptogams, 209 

 Fibers, 142 



Fibrous roots (446), 160 

 Fibro-vascular bundles of roots, 142 



tissue not from periblem, 139 

 Fig fruit (362) 



pulp of (311) 

 Filament (12), 31 



forms of, 64 ' 



Fihces, 216 



Filiform leaf (491), 179 

 Fission, 210 

 Fissured corolla (96) 

 Fistulous stems, 167 

 Fixation of seed, 129 

 Fixing roots, 160 

 Flabellately nerved (527), 186 

 Flax ovary (224) 

 Fleshy leaf, 177 



' roots, 160 

 Flexuous branching (433), 155 

 Floating leaves, 195 

 Floral envelopes, 33 



leaves, 195 

 Florets, 204 

 Flower, a modified branch (9, etc., 20), 28 



cluster, a modified branch (8, etc.), 

 27 



clusters (576-589), 199 



dissection and analysis of, 86 



explained and defined, 28, 34 



general nature of, 23 



some imperfect, 29 

 Flowerless plants, 207 

 Follicle (349), 123 



