INDEX. 



291 



Poppy, carpellody of stamens, 182- 

 183, 192 ; suppression of stamens, 

 257. 



Popuhis, 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- 

 liferous stamens, 193. 



Potentilla, calycine receptacle, 12 ; 

 dialysis of receptacle, 12, 110. 



Prantl on origin of perianth, 129. 



Primrose, fasciated 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 andrcecium, 79 ; dia- 

 lysis of calyx, 109 ; free stamens, 

 115; free styles, 117 ; phyllody of 

 calyx, 126; zygomorphic 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. 



Primulacese, 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. 



Prunese, reduction in gynoeceum, 

 259. 



Prunvs, forked inflorescence, 38 ; 



double fruit, 50 ; extra carpels, 93, 



258 ; " inferior " fruit, 235 ; fusion 



of carpels, 258. 

 Psilotacea?, sporophylls, 101. 

 Psilotum, many-forked sporophyll, 



101 ; sporangiophore, 102. 

 Pteridosperms, 30 ; ancestors of 



Cycads, 122 ; sporophylls of, 122, 



203. 



Pyrethrum, ring-fasciation, 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. 

 Quinquesepalous flower of Nymphsea, 

 63-64. 



Radish, virescent ovule, 197. 



Ragwort, peloric ray-florets, 150. 



Ranales, apocarpy, 116. 



Ranunculacese, dialyphyllous, 108 ; 

 petaloid calyx, 127, 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 oviiles, 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. 

 Ray-floret, structure of, 88 ; bilabiate, 



112; peloric, 149-150. 

 Reana, ancestor of Maize, 58. 

 Receptacle, of Rosacea?, nature of, 



9 ; origin of, 30 ; fasciated, 50 ; 



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



sorus, 201. 

 Red-rattle, concrescence of flowers 



and pelory, 239. 

 Reduction, 1, 30, 241-263. 

 Reproductive proliferation, 2, 6. 

 Reseda, proliferated inflorescence, 4 ; 



flower, 9 ; axillary flower, 21 ; 



virescent ovule, 202. 

 Restiaceae, structure of perianth, 



242. 



Rhinanthus, ovuliferous corolla, 161. 



Rhizophora, structure of calyx, 66. 



Rhododend ron, polypetaly, 112 , peta- 

 lody of calyx, 135 ; petaloid sta- 

 men, 173, 276. 



Rhodora, polypetaly, 112. 



Rhceadales, andrcecium, 87 ; calyx, 

 242 ; floral evolution in, 261. 



Ribes, ring-fasciation, 55 ; petaloid 

 calyx, 135. 



Rice, extra carpels, 89. 



