INDEX 



279 



Cocos nucifera, elasticity of fibres in, 55. 



Coenobia, formation of, 177. 



Coffea arabica, influence of desiccation on 

 seeds of, 254. 



Cohesion, 50 seq. ; of cell-wall, 54 ; relation 

 of, to micellar structure, 57 ; of tissues, 

 57 seq. ; and elasticity, relationship 

 between, 56. 



Cohn, 16, 22, 56, 84, 122, 130, 134, 168, 208, 

 226, 229, 252 ; on cardinal tempera- 

 tures for growth, 76 ; on resistance of 

 spores, 230 ; to heat, 227 ; on ther- 

 mophile organisms, 77. 



and Mendelssohn, 106. 

 Cohnheim, 230. 



Colchicum autumnale, resting period of, 



207. 



Cold-rigor, 69, 232. 

 Coleochaete, influence of light on growth of, 



94- 



Coleus, leaf-fall in, 218 ; C. Blumei, curva- 

 tures in split stem of, 61, Fig. 14. 



Colin, on maximum and minimum tem- 

 peratures for growth, 82. 



Collenchyma, limit of elasticity of, 56 ; 

 plastic stretching of, 35 ; use of, 52. 



Colta, 21. 



Compensations, 163. 



Concentration,, effects of changes of, 120, 

 121, 256, 257. 



Conferva, influence of chemical stimuli on, 

 118. 



Congo-red, influence of, on growth, 33. 



Conidia, influence of light on formation of, 

 90. 



Conjugatae, origin of mucilaginous sheaths 

 of, 32. 



Contact-stimulus, influence of, on growth, 

 129. 



Cowvoluta, green cells of, 171. 



Copeland, 101. 



and Kahlenberg, 260. 

 Copper, poisonous action of, 260. 

 Coprinus, resting period of sclerotia of, 



208 ; C. ephemertts, influence of light 

 on formation of sporophores of, 90 ; - 

 starvation on production of sporophore 

 of, 116; C. nycthemerus, C. plicatilis, 

 influence of light on formation of sporo- 

 phores of, 90; C. stercorarius, con- 

 ditions for formation of sporophore of, 

 79 ; growth of, 17 ; influence of food 

 on reproduction of, 198 ; of light on 



formation of sporophores of, 90 ; 



development of sporophore of, 97 ; re- 

 generation of pileus of, 169. 



Cordyline, effects of inversion of, 109; 

 verticibasality of, 160. 



Cork, elasticity of, 55; formation of, from 

 callus, 133; influence of, on leaf- fall, 

 217,218; internal formation of, 134. 



Cornevin, 260. 



Cornus Mas, early flowering of, 205. 



Correlation, 161, 164; influence of, on etio- 

 lation, 89. 



Correns, 29, 92, 145, 154, 167, 189, 190, 

 262 ; on intussusception, 30. 



Corsinia marchantioides, resistance of, to 

 desiccation, 255. 



Corylus, early flowering of, 205. 



Coupin, 257, 260. 



Cramer, 29, 230 ; on intussusception, 30. 



Cress, vitality of, in absolute alcohol, 251. 



Crocus, early flowering of, 79 ; influence of 

 desiccation on, 210. 



Crops, causes of laying of, 88. 



Cucumbers, influence of warming on ger- 

 mination of, 8 1 ; rate of growth of, 18. 



Cucumis sativus, minimum temperature for, 

 232 ; temperature limits for growth of, 

 76. 



Cucurbfta, development of flowers in dark- 

 ness, 91 ; rapidity of growth of, 15 ; 

 C. Pipo, influence of cold on, 233 ; 

 subminimal temperature for, 232 ; tem- 

 perature limits for growth of, 76 ; C. 

 pyriformis, correlation of growth of, 

 163, Fig. 29. 



Culture, influence of, on resistance to cold, 

 236. 



media, influence of, on shape, 117. 



Curie, 106. 



Curtel, 91, loo. 



Cuscuta, influence of contact on, 129 ; 

 resting period of seeds of, 208. 



Cuticle, detachment of, 31, 35 ; elasticity of, 

 55 ; influence of, on absorption of 

 poisons, 261, 265 ; power of growth of, 

 32; strains in, 65, 66. 



Cuttings, retention of primitive characters 

 by, 152. . 



Cyanogen, poisonous action of ions of, 272. 



Cynara scolymus, ice-formation in, 240, 

 Fig. 31. 



Cynareae, elasticity of stamina! filaments 



of, 55. 57- 



Cynips galls, 172 ; C. calicio, galls of, 173. 



Cystococciis humicola, resistance of, to desic- 

 cation, 255. 



Cytisus Adami, 175. 



Cytoplasm, influence of, on cell-segmenta- 

 tion, 40. 



Czapek, 69, 73, 93, 134, 15^4, '595 on 

 dorsiventrality, 150. 



Dahlia variabilis, periodicity of growth in, 



201, 202, Fig. 30. 

 Dahmen, 217. 

 Dalmer, 239. 

 Dammer, 254. 

 Dandelion, curvature of split peduncle of, 



66. 



Daniel, 173, 175, 176. 

 Darwin, 13, 66, 130, 158, 192, 200; on 



growth of cucumber, 18; on heredity, 



187, 188. 



