314 



INDEX 



Oenoline, 59 



Oenothem, 24, 3(5, 42, 82, 156, 180, 181, 



183 ; 0. biennis, 172 ; O.franciscana, 172 ; 



0. grandiflora, 171, 172; O. Lmmarckiana, 



91, 171, 182; O. rubricalyx, 171, 181; 



O. rubrinervis, 171 

 Oenotheraceae, 36, 42 

 Oleaceae, 43 

 Oliver, 398 



Oncidium, 32, 41; O. sphacelatum, 31, 33 

 Onobrychis, 42 



Ononis arvensis, 155; O. nutrix, 31 

 Oplismenus, 41, 0. imbecillis, 98, 100 

 Opuntia, 102; 0. leucotricha, 89; 0. 



robusta, 89 

 Orange, 27, 123, 153 

 Orchidaceae, 20, 27, 41, 135 

 Orchis, 36, 41; 0. latifolia, 89, 135; O. 



maculata, 19, 135; 0. mascula, 31, 



285 



Ornithogalum, 17 

 Orobanchaceae, 43 

 Orobanche, 28 

 Osmunda, 17 

 Ostenfeld, 156, 505, 543 

 Osr/a, 135 

 Overton, 4, 6, 23, 30, 45, 50, 58, 106, 333, 



334; anthocyanin and temperature, 86, 



87; sugar-feeding, 93, 94, 95, 96, 98, 



100, 101 

 Oxalis, 156; 0. corniculata, 172; O. Ort- 



giesii, 30 

 Oxidases, and anthocyanin, 11, 91, 117; 



relative distribution of, 118, 119: 



colour-factors and, 212; direct and 



indirect, 107, 108; distribution of, 107 

 Oxonium salts of anthocyanin, 13, 53, 75, 76 

 Oxybaphus, 52 



Oxybenzoic acids, 78, 111, 208, 226 

 Oxygen and anthocyanin, in gaseous 



exchange, 91, 117 



Paasche, 81 



Paeonia, 222, 223, 225, 247; P. coriacea, 



42 



Paeonidin, 221, 222 

 Paeonin, 221, 222 

 Palladin, 11, 58, 91, 99, 101, 107, 108, 



109, 116, 121, 203, 210 

 Pammel, 450 



Panicum, 41 ; P. variegatum, 92 

 Pansy, 150, see Viola 

 Papaver, 31, 39, 49, 50, 56, 88, 127, 190, 



191, 282, 283, 288; P. alpinum, 283; 



P. nudicaule, 191; P. orientale, 189; 



P. Rhoeas, 156, 172, 189; P. somniferum, 



156, 172, 189, 283 

 Papaveraceae, 42 

 Paphiopedilum, 156, 164, 188 

 Papilionaceae, 38 

 Parasites, anthocyanin in, 28, 85 

 Parietaria, 21 

 Parkin, 3, 37, 89, 116, 77 



Parsley, 12 



Passi flora acerifolia, 32 ; P. alula, 32 ; 

 P. laciniata, 32 ; P. limbata, 32 ; P. sube- 

 rosa, 32 



Pattern in colour variation, 188-190 



Pauloivnia, 33 



Payen, 8, 114, 115 



Pea, Sweet, 9, 188, 206, see Lathyrus 



Peach, 205 



Peche, 242 



Pedicularis, 43; P. incarnata, 25; P. re- 

 cutita, 25; P. roslrata, 25; P. sylvatica, 

 155 



Peireskia, 92 



Pelargonidin, 78, 79, 219, 221 ; in colour- 

 varieties, 223; synthesis of, 222 



Pelargonin, 78, 219, 221 



Pelargonium, 9, 13, 24, 46, 49, 50, 58, 80, 

 82, 92, 100, 123, 222, 286; colour varie- 

 ties, 223, 224; preparation of pigment, 

 63, 66, 76, 218; properties of pigment, 

 55, 56, 78; P. altum, 198; P. 'Don 

 Juan,' 198; P. Odier hortorum, 31; 

 P. peltatum, 134, 223, 224, 225 ; P. zonale, 

 31, 33, 45, 96, 223, 225, 270 



Pellaea, 17 



Pellagri, 54, 146 



Pellat, 291 



Pellew, 156, 157, 165, 176, 177, 178, 181, 

 182, 188, 541, 542 



Pellionia, 36 



Peltaria, 18 



Pennisetum, 41 



Pentstemon, 43 



Peplis, 92 



Per ilia, 154, 248 



Perkin, 10, 109 



Pethy bridge, 19, 78 



Petioles, anthocyanin in, 21 



Petunia, 191 



Pfeffer, 29, 107 



Phajus, 116 



Phalaenopsis, 41 



Phalaris, 89, 100; P. arundinacea picla, 

 263 



Phanerogams, 127 



Pharus, 41 



PJiaseolus, 27, 39, 153, 154, 185, 189, 190; 

 P. multiflorua, 46, 156, 172; P. vulgaris, 

 156 



Philadelphus, 36 ; P. coronarius, 49 



Phleum, 26, 41 



Phloroglucin, 78, 110, 111, 208 



Phlox decussata, 203; P. Drummondii, 111, 

 119, 148, 149, 151, 152, 209 



Pharmium, 30 



Photinia, 42 



Photosynthesis and anthocyanin, 81, 86, 

 116 



Phragmites, 28 



Phrynium, 33 



Physiological function of anthocyanin, 7, 

 126 et seq. 



Numbers in heavy type denote papers in Bibliography 



