INDEX. 



291 



Poppy, carpellody of stamens, 182- 

 183, 192 ; suppression of stamens, 

 257. 



Populus, structure of perianth, 65 ; 

 polyandry, 85 ; extra carpels, 207. 



Portulacacese, structure of corolla, 

 243. 



Positive dedoublement, 59-103 ; con- 

 clusions on, 103. 



Potato, axillary to sepal, 28 ; stami- 

 nody of corolla, 155-156; ovu- 

 liferoxxs stamens, 193, 



Potentilla, calycine receptacle, 12 ; 

 dialysis of receptacle, 12, 110. 



Prantl on origjin of perianth, 129. 



Primrose, f asoiated flower, 45 ; extra 

 staminal whorl, 79 ; petalody of 

 calyx, 135 ; virescent corolla, 137 ; 

 carpellody of stamens, 185. 



Primula, proliferated inflorescence, 

 3, 31 ; proliferated flower, 9; corolla- 

 enations, 72-76 ; double flowers, 

 78 ; nature of andrcecium, 78 ; 

 pleiotaxy of androecium, 79 ; dia- 

 lysis of calyx, 109 ; free stamens, 

 115 ; free styles, 117 ; phyllody of 

 calyx, 126; zygomorphio calyx, 

 126 ; virescent corolla, 137 ; peta- 

 lody of stamens, 175 ; carpellody 

 of stamens, 185-186 ; free-central 

 placentation, 186 ; bilocular 

 ovaries, 187 ; green styles, 193 ; 

 leafy ovules, 199 ; petaloid carpels, 

 205 ; carpel on placenta, 209 ; 

 sessile umbel, 231 ; sessile flowers, 

 231 ; 4-merous flowers, 243, 255. 



Primulaceffi, structure of ovary, 117. 



Proliferation, of inflorescence, 2 ; of 

 flower, 6, 87, 138-139, 174, 204, 258, 

 270, 275 ; conclusions on, 29 ; of 

 floret, 115; of funicle, 196-197, 

 202 ; of integuments, 197-198, 202 ; 

 of cone of Equisetum, 211. 



PrunesB, reduction in gynoeceum, 

 259. 



Prunus, forked inflorescence, 38 ; 

 double fruit, 50 ; extra carpels, 93, 

 258 ; " inferior " fruit, 235 ; fusion 

 of carpels, 258. 



Psilotaceae, sporophylls, 101. 



Psilotum, many-forked sporophyll, 

 101 ; sporangiophore, 102. 



Pteridosperms, 30 ; ancestors of 

 Cycads, 122 ; sporophylls of, 122, 

 203. 

 Pyreihrum, ring-fasoiation, 51 ; meta- 

 morphosed disk-florets, 142 ; peloric 

 disk-florets, 150 ; zygomorphic 

 disk-florets, 152. 



Pyrola, polypetaly, 112. 



Pyrus, proliferated flower, 9-14 ; 



axillary shoot, 28 ; sepalody of 



petals, 140 ; dioica, 188. 



Quince, sepal-bases distinct, 109. 

 Quinquesepaloiis flower of Nymphsea, 

 63-64. 



Eadish, virescent ovule, 197. 



Ragwort, peloric ray-florets, 150. 



Eanales, apocarpy, 116. 



Eanunculacese, dialyphyllous, 108 ; 

 petaloid calyx, 12*7, 203 ; floral 

 morphology, 128; petalody of 

 calyx, 135 ; sepalody of stamens, 

 171, of carpels, 203 ; 5-merous 

 calyx of, 242 ; primitive flower, 

 260. 



Ranunculus, proliferated flower, 7 ; 

 positive dedoublement, 62 ; extra 

 ovule, 97 ; position of ovules, 100 ; 

 fasciated flower, 120 ; calyx of, 127- 

 128, 131, 141, 171 ; petaloid sepals, 

 135 ; petalody of stamen, 172 ; 

 virescent carpels, 195 ; suppression 

 of corolla, 254 ; stamens abortive, 

 254, 257 ; pistil of, 259. 



Ranunculus Ficaria, sepals of, 131 ; 

 sepalody of petals, 141. 



Raphanus, virescent ovule, 197. 



Bay -floret, structure ofj 88 ; bilabiate, 

 112; peloric, 149-150. 



Reana, ancestor of Maize, 58. 



Receptacle, of RosaccEe, nature of, 

 9 ; origin of, 30 ; fasciated, 50 ; 

 dialysis of, 12, 13, 110; of fern- 

 sorus, 201. 



Red-rattle, concrescence of flowers 

 andpelory, 239. 



Reduction, 1, 30, 241-263. 



Reproductive proliferation, 2, 6. 



Reseda, proliferated inflorescence, 4 ; 

 flower, 9 ; axillary flower, 21 ; 

 virescent ovule, 202. 



Resfciaceffi, structure of perianth, 

 242. 



Rhinanthus, ovuliferous corolla, 161. 



Rhizophora, structure of calyx, 66. 



iJ?iodo(Je»i(Jrom, polypetaly, 112 , peta- 

 lody of calyx, 135 ; petaloid sta- 

 men, 173, 276. 



Rhodova, polypetaly, 112. 



Rhceadales, andrcecium, 87; calyx, 

 242 ; floral evolution in, 261. 



Sibex, ring-fasciation, 55 ; petaloid 

 calyx, 135. 



Rice, exti-a carpels, 89. 



