SUBJECT INDEX 



183 



Chloride, 



absorption, 16, 52, 53, 58, 78, 80, 



84, 89, 108-10, 116 

 concentration in sea water, 11, 1 54 

 in cell sap, 5, 11, 101-2, 153, 158 

 in soils, 136-8 

 translocation, 108-10 

 Chlorine, 



an essential element, 6 

 content of Zea mays, 3 

 Chloroplasts, 



salt content of, 21, 108-9 

 structure of, 107-8 

 Chlorophyll, 8 

 Choline, 87 

 Choline acetylase, 87 



esterase, 87 

 Circulation of salts in plants, 1 28 

 Citric acid, 39, 140 

 Closteridium spp., 7 

 Clover {see Trifolium sp.) 

 Club mosses {see Lycopodium spp.) 

 Cobalt, 7 

 Coconut milk, 1 8 

 Coenocytes, 

 absorption of salts by, 19-20, 68, 



71, 154 

 salt content of, 11, 153-4 

 structure of, 19-20 

 Competition, 



between ions, 53-5, 58-62 80 

 between tissues and organs, 126-7 

 Conductivity, 28 

 measurement of, 23 

 of roots, 116 

 Com {see Zea mays). 

 Contact exchange, 9, 142-5 

 Copper, 

 an essential element, 6 

 deficiency, 146 

 functions of, 8 

 toxicity, 7 

 Cortex, root, 9, 15, 1 16, 117-21 

 Cotton {see Gossypium spp.) 

 Cotyledons, 9, 128-30 

 Cristae mitochondrials, 106 

 Crystal violet, 39 

 Cucumber {see Cucumis sativus) 

 Cucumis sativus (cucumber), 1 5 1 

 Cucurbita spp. (pumpkin, vegetable 



marrow), 1 1 4 

 Cuticle, of leaves, 131-33 



Cyanide, 77-8, 100, 109-10 



Cyanide sensitive respiration {see salt 

 respiration) 



Cyclosis {see protoplasmic streaming) 



Cytochrome oxidase, 52, 77-8, 92 



Cytochromes, 45, 77-80, 83 



Cytoplasm, 19 



permeability of, 47 

 salt relations of, 68, 104 

 ultrastructure of, 1 64-8, Plate I 



Cytoplasmic vesicles, 19,165 



D 



Dahlia sp., 77 



Dark fixation, of carbon dioxide, 51- 



2 

 Daucus carota (carrot), 1 6, 1 7, 48, 57 



61-2, 77, 80-2, 107, 152 

 Deficiency diseases, 6 

 Definitions, 27 



Delphinium ajacis (larkspur), 144 

 Diapensiaceae, 4 

 Dictyosphaeria spp., 20 

 Diffusion, 9, 10, 12, 28-30, 47, 57, 

 73-4 

 coefficient, 29 

 facilitated, 30-1 

 Diff'using carriers, 43 

 Diff"usion pressure deficit (DPD) 



150-1, 156-7 

 Di-n-amylacetic acid, 1 18 

 2:4 dinitrophenol (DNP), 64, 82-3 



86, 100, 109-10, 116 

 Diphenylamine, 22 

 1 :3 diphosphoglyceric acid, 86 

 Dissociation of salts, 1 1 

 Donnan equilibria, 11, 27, 33-5, 75, 



96, 99, 104, 107 

 Donnan free space (DFS), 99, 1 00 

 Donnan membrane potential, 34,143 

 Dormancy, 17, 67-8 

 Dyes, 22, 38 



E 



Ectoplast {see plasmalemma). 

 Efflux (=outflux), 27 

 Electrical conductivity, 23 

 Electrical potential, 34 

 Electrochemical hypotheses, 77-85 

 Electrochemical potential, 34 



gradient, 29,44,101 

 Electro-diff'usion, 29 

 Electro-kinetic potential, 143 



