INDEX. 



283 



Dichotomy, of inflorescence, 38 ; of 

 fruit, 50; of flower, 51; multiple, 

 52; of foliage-leaf, 162-163, 166, 

 168-169. 



Diclcsonia, conformation of sorus, 202. 

 Dictamnus, phyllody of anther, 162. 

 Dielytra, dissociation of stamens, 113, 



171; phyllody of stamens, 171; 



virescent flowers, 255 ; monothecal 



anthers, 255 ; fusion of stamens, 



255. 



Differentiation, 2. 



Digitalis, fasciated flower, 49 ; pe- 

 loric flower, 151 ; staminody of 

 corolla. 151 ; mononierous corolla, 

 252 ; dialysis of corolla, 275. 



Dionaa, phyllody of flowers, 124. 



Diplotaxis, gynophore of, 8 ; phyllody 

 of flower, 124. 



Disci, fusion of sepals to petals, 235. 



Displacement, nature of, 195, 233. 



Disruption, 58. 



Dock, structure of perianth, 242. 

 Double flowers, 68, 78, 172. 203-204, 



258, 269 ; foliage leaf, 166. 

 Drupelet of Rubus, 259. 



Echinacea, proliferation of capitulum, 

 3. 



Edelweiss, pleiotaxy of corolla,76-77 ; 

 extra pappus, 141. 



Eichler, on ovuliferous scale, 26 ; on 

 androecium of Primula, 79; on 

 pleiotaxy in Alchemilla, 80, in 

 Butmnus, 80 ; on staminode of 

 Alpinia, 84 ; on staminody of 

 corolla in Aquilegia, 154 ; on sta- 

 minody in Alpinia, 155; on leafy 

 stamen of Araucaria, 171 : on 

 petalody of stamens in Laurus, 

 175, in Alpinia, 177 ; on corona 

 of Narcissus, 180 ; on nature of 

 ovule, 196 ; on abnormal leaves of 

 Michelia, 200 ; on 5-merous flowers, 

 242 ; on 2-merous Iris-flowers, 248 ; 

 on androecium of Hypecoum, 256 ; 

 on evolution of flower, 260; on 

 androecium of Cruciferce, 261. 



Elder, leaflet of, 109. 



ElkVhorn fern, sterile fronds fertile, 

 212. 



Elliottia, polypetaly, 112. 



Elm, leaf forked and apically in- 

 folded, 163. 



Emarginate leaf, 165. 



Enations, of corolla in Gamopetalse 

 and Narcissus, 71-76, 101, 183; of 

 sporophyll of Ophioglossaceae, 100 ; 

 of corolla of Streptocarpus, 156 ; of 



foliage-leaves, 164, 168-169, 275; 

 of corolla of Primula, 185 ; of cab- 

 bage-leaf, 275. 



Endogenous flowers, 270. 



Enneandry, 151. 



Epicalyx, nature of, 12. 



Epidendrum, andro3cium, 82 ; double 

 flowers, 176; 1-merous calyx and 

 corolla, 249 ; suppression of sepals, 

 249. 



E pilobium, superior ovary, 111. 



EpiphylJar flowers, 233-234. 



Equisetum, proliferated cone, 7, 17- 

 18, 211 ; leafy sporophylls, 211. 



Erica, extra carpels, 94 ; polypetaly, 

 112; bracteody of flower, 124; 

 sepalody of flower, 125. 



Eryngium, proliferation of inflores- 

 cence, 4 ; structure of umbel, 231. 



Erythrochitoa, epiphyllar flowers, 

 234. 



Eschscholtzia, positive dedoublement 

 of corolla, 67. 



Etserio, reduced, 259. 



Eucalyptus, concrescent flowers, 240. 



Euchlaena, ancestor of maize, 58. 



Euphorbia, proliferated inflorescence, 

 4 ; stamen, 7 ; nature of stamen of, 

 4, 1S9 ; reappearance of sepals, 65- 

 66; dialysis of stamen, 115; vi- 

 rescent stamens, 115 ; carpellody 

 of stamens, 189-190; disk or calyx 

 of, 190. 



Evening-primrose, synanthy, 238. 

 Extra-axillary flowers, 20 ; shoot, 

 231. 



Extrorse anther, 169-170. 



Fasciation, of inflorescence, 38-39 ; 

 of flower, 44, 114, 116, 118, 120, 

 203,237; of "fruits," 50 ; ring-, 43, 

 51 ; conclusions on, 56 ; definition 

 of, 103; addendum to, 120. 



Feathe r-hyacinth, proliferated 

 flower, 6 ; suppression of flowers, 

 248 ; branching of pedicels, 248. 



Fern, sporophyll of, 209. 



Feverfew, peloric ray-florets, 150. 



Ficus, leaf -pocket, 168; leaf-enations, 

 170. 



Field-eryngo, proliferation of inflo- 

 rescence, 4. 



Filbert, extra carpels, 95. 



Flote- grass, phyllody of flower, 124. 



Flower, nature of, 1 ; proliferation 

 of, 6, 258, 275 ; origin of, 30, 121- 

 122 ; fasciation of, 44 ; dichotomy 

 of, 51 ; metamorphosis of, 121 ; 

 evolution of, 123 ; sessile, 231 ; 



