INDEX 



Xelumbo, 169, 201, 207, 208. 



Xemec, B., 74. 75. 



Xemophila, 130, 170. 



Xeottia, 131, 133; nidus-avis, 82, 122; 



ovata. 33, 39. 

 Xepenthaceae, 246, 268. 

 Xicotiana, 80, 96, 97, 157, 158; Taba- 



cum. 136, 147, 151, 158. 

 Xigella, 99, 151, 158; damascena, 



157. 159; saliva, 156. 

 Xolanaceae, 256, 269. 

 Xothoscordon fragrans, 213, 221. 

 Xuphar, 50, 176; lutea, 208. 

 Xyetaginaceae, 96, 97, 244. 

 Xyetandra, -'/2. 

 Xymphaea, 9, 22, 23, 50, 53, 176, 



201. 207: alba, 82. 

 Xymphaeaceae, 103, 110, 176, 245, 



282, 312, 313. 



Obolaria. 50. 



Ochnaceae, 249. 



Oenothera, 104; Lamarckiana, 292; 



lata. 293. 

 Olacaoeae, 243. 

 Oleaceae, 97, 255. 

 Oliniaceae, 250. 

 Oliver, F. W., 55. 80, 85, 95. 106, 



109, 111, 134, 148, 169, 177, 178, 



199. 



Onagraceae, 30, 97, 131, 250, 267. 

 Onobrychis petraea, 204. 

 Ononis, alopecuroides, 204: fruti- 



cosa. 204. 

 Opiliaceae, 243. 

 Opuntia. tortispina, 214; vulgaris, 



214. 221. 

 Opuntiales, 250. 

 Orange, 213. 



Orchid, 195; type of embryo. 194. 

 Orchidaeeae, 15, 30, 58. 64, 97, 103, 



113, 132. 136, 147, 157, 171, 194, 



206. 234, 238, 266. 

 Orehidales. 238, 264, 276. 

 Orchis, 51. 77. 145. 156; latifolia, 



l.'t-'t. l-'to; maculata, 33. 38, 39. 



1','f. masctila. 82. 121. 126; Morio, 



L't'f, 145, 221; pallens, 64. 

 Organogeny of flower. 16. 

 Ornithogalum, 64, 97, 99: nutans, 



91; pyrenaicum, 61. 

 Orobanchaceae, 176, 206, 256, 269. 

 Orobanche, 80. 

 23 



Orobus angustifolius, 65, 204 ', au * 



reus, 204. 

 Osmunda, 302, 303; cinnamomea, 



298, 299, Fig. 109; Claytoniana, 



298, Fig. 108; regalis, 299. 

 Ostenvalder, A., 99, 100, 111, 221. 

 Osyris, 105. 

 Ovary, 24, 26. 

 Overton, E., 71, 221. 

 Overton, J. B., 63, 64, 81, 82, 94, 



100, 170, 199, 212. 

 Ovulary, 24. 

 Ovules, foliar, 50; morphological 



nature of, 51; development of, 53; 



forms of, 56. 

 Oxalidaceae, 247. 



Paeonia spectabilis, 82. 



Palet, 231. 



Palmaceae, 231, 262, 266, 274, 275. 



Palmales, 231, 262, 275. 



Pandanaceae, 228, 262, 266, 273. 275. 



Pandanales, 228, 231, 262, 275. 



Papaver, 136; orientale, 65. 



Papaveraceae, 65, 246. 



Papilio. 247, 267. 



Parietales, 249. 



Paris quadrifolia, 159, 169. 



Parthenogenesis, 210. 



Passiflora, 131. 



Passifloraceae, 249. 



Payer, J. B., 16, 20. 



Pechoutre. F., 59. 199. 



Pedaliaceae, 97, 106, 110, 176, 177, 



256, 269. 

 Pedicularis, 106. 

 Penaeaceae, 250. 

 Pentaphyllaceae, 248. 

 Peperoniia. 79, 88, 90, 136, 137, 153, 



178, 179. 200: pellucida, 89, 166, 



168, 178, 200, 242. 284. 

 Pepo macrocarpus, 143. 

 Perigyny, 13, 14. 

 Perisperm, 103; function of, 179. 

 Peristylis grandis. 194. 

 Personales. 15, 24, 258. 

 Petasites, 101. 

 Petit-Thouars. 213. 

 Peucedanites, 277. 

 Pfeffer, W.. 19. 

 Pfitzer. E.,. 194. 

 Phajus, 156. 

 Phalaenopsis grandiflora. 194. 



