308 



INDEX 



Chrysosplenium, 17 



Church, 58, 59, 80, 147 



Cichorium, 286 



Cineraria, 38, 151, 215 



Cinnamomum, 21 



Circaea, 42 



Cissus, 35, 91; C. discolor, 20 



Citrus, 27 



Clarkia elegans, 147, 156, 163, 282; C. 

 pulchella, 191, 194 



Claudel, 54 



Claudius, 29, 184 



Clerodendron, 38 



Cloez, 8, 44, 47, 126 



Cobaea, 33 



Cockerell, 150, 153, 150, 166, 181, 259, 

 317, 602, 603, 611 



Codiaeum, 19 



Coffea, 32 



Colei'n, 59 



Coleus, 36, 43, 58, 59, 80, 248 ; C. Blumei, 

 92; C. Verschaffeltii, 19 



Colgan, 19, 156, 161, 188, 73, 552 



Colin, 373, 381 



Colladon, 274 



Collinsia, 282 



Collomia, 33 



Colour-factors, 9, 10, 145; chemical inter- 

 pretation of, 114, 207 et seq.; in vegeta- 

 tive organs, 180-183; kinds of, 211-213 



Colour- varieties, 40, 145 ; albino, 147 ; 

 and flavones, 207 ; and hoarjness, 206 ; 

 and vigour, 204; blue, 151, 214; cream, 

 151; deep, 152, 213: effect of salts on. 

 200, 202; of insolation on, 203-204: 

 in fruits and seeds, 154; in nature, 155; 

 pigments in, 222-225; plastid-yellow, 

 149; red, 147, 148, 214; soluble-yellow, 

 148, 215; tinged, 152, 213 



Columnea picta, 33 ; C. Schiedeana, 32 



Combes, 58, 101, 106, 207, 208, 219, 220, 

 234, 235, 236, 374, 377, 378, 379, 385, 

 620; artificial anthocyanin, 14, 15, 121, 

 122; carbohydrates in leaves, 117; 

 decortication experiments, 4, 24, 82, 83 ; 

 gaseous exchange in leaves, 91 



Combinations of pigments, 39, 40, 148-150, 

 215 



Comes, 126, 133, 388, 389, 390 



Commelinaceae, 19, 41 



Compositae, 43, 107, 155 



Compton, 157, 178, 569 



Conium, 21, 42 



Constitution of anthocyanin, 75 



Convallaria, 30 



Convolvulaceae, 38, 43 



Convolvulus, 191 



Corchorus, 156, 163, 180, 181, 184 



Cordemoy, de, 368 



Corenwinder, 268 



Coreopsis tinctoria, 156, 164, 184; C. var. 

 brunnea, 164, 184 



Corispermum, 52 



Cornaceae, 43 



Cornflower, 15, 50, 57, 214, 215, see 



Centaurea 

 Cornus, 22, 36; C. florida, 99, 100; C. 



mas, 22; C. sanguinea, 22, 52, 89; C. 



sibirica, 89 



Corolla, anthocyanin in, 26, 38, 39, 40 

 Correns, 156, 157, 170, 174, 179, 197, 



472, 476, 482, 485, 486, 490, 497, 537 

 Corydalis, 38 

 Corylus, 24, 26, 36, 135; C. Avellana, 21; 



red-leaved, 154; C. tubulosa, 33 

 Costerus, 297 

 Costus, 20 

 Cotoneaster, 42 

 Coupin, 41, 82, 477 

 Courchet, 30, 32, 97 

 Coutagne, 491 

 Cramer, 85 

 Cranberry, 13, 58, 76, 77, 214, 218, see 



Vaccinium 



Crassulaceae, 27, 42, 107, 275 

 Crataegus, 21, 22, 23, 88, 89, 110, 154; 



C. Oxyacantha, 153 

 Crepis, 89 

 Crocus, 5, 13, 88, 122; C. aureus, 40; C. 



sativus, 87 ; C. vernus, 32 

 Croton, 19, 36, 42 

 Cruciferae, 18, 42, 107 

 Crystalline anthocyanin, 34, 45, 46 

 Crystalloids, anthocyanin and, 35 

 Cucurbita, 27, 88 

 Cucurbitaceae, 17 

 Curtel, 313, 330 

 Cuscuta, 4, 28, 43, 85, 89 

 Cyanidin, 79, 220 ; in colour varieties, 223 

 Cyanin, 79, 220; from Centaurea, 13, 72, 



76; from Cranberry, 77, 218; from 



Rosa, 77, 218 

 Cyclamen, 43, 123, 152, 194; C. europaeum, 



18; C. hederifolium, 18; C. persicum, 



153, 191 ; C. persicum giganteum, 101 ; 



C. repandum, 18 



Cydonia, 36, 42; C. japonica, 38 

 Cynometra, 22 

 Cynosurus, 27 

 Cyperaceae, 17, 27 



Cypripedium, 38, 39, 41, 156, 164, 188, 190 

 Cystopus, 268 

 Cytisus Adami, 256; C. Alschingeri, 31; 



C. Laburnum, 31, 256; C. purpureus, 



256; C. scoparius, 31 

 Czapek, 195 

 Czartkowski, 382, 622 



Dactylis, 27 

 Daffodil, 13, 122 



Dahlia, 146, 149, 223, 224, 225, 265; D. 

 variabilis, 40, 148, 152, 191, 210, 215, 226 

 Dalechampia, 38 

 Daniel, 82, 337, 344 

 Daphne, 154 

 D'Arbaumont, 35 



Numbers in heavy type, denote, papers in Bibliography 



