INDEX 



345 



Cocoa butter, 36 



Codium, 121 



Co-enzymes, 20s 



Cohesion, of water, 146, 147-150 



Cohnheim, on chemistry of proteins, 158 



Coiling, of tendrils, 31s 



Coleus, 297 



Collenchyma, 268, 269, 270 



Collodion, in, 112 



Colloids, III, 113, 114, 192; colloidal chlorophyll, II, 



12 

 Colombia, 325 



Combes, on respiration chromogens, 226 

 Combustion (see also oxidation, respiration), xxxii, 



xxxiv, 313. 314. 201, 203 

 Compass plants, 280 



Complementary chromatic adaptation, 27; com- 

 plementary pigments, 27 

 Concentration of medium, 113, 274 

 Configuration and growth, influence of external 



conditions on. Pt. II, Chap, III, 255-307 

 Conglutin, 161, 162 

 Congo red, 126 

 Conifers, 15, 178 

 Consanguinity, 335 

 Consensus partium, 331 



Conservation, of energy, xxxiii, xxxiv; of mass, xxxi 

 Contact papillae, 315, 321 

 Contractile roots, 252 

 Convallaria, 191 

 Convolvulus, 313 

 Copper, 82; ferrocyanide, 112, 113; hydroxide, 160; 



oxide, ammoniacal, 15, 23, 26; sulphate, 15, 



112, 120, 159 

 Correlations, 172, 298, 300, 331 

 Correns, on self-sterility, 336 

 Cortex, 132, 133, 151, 153 

 Corylus, 258, 260 

 Cotyledons, 152, 193 

 Crepis, 304 

 Cress, 255 

 Crocker and Knight, on gas poisoning, 264; C, K. 



and Rose, on gas poisoning, 264 

 Crocus, 251, 252, 293 

 Crystalloids, in, 113, 114 

 Cucumis, 316 



Cucurbita (see also gourd), 178, 194. 255, 315, 316 

 Cucurbitacece, 18, 314 



Cultures, pure, 58-62; in artificial media, 82-84 

 Cuprous oxide, 202 

 Curcuma, 115, 116 

 Curtius and Franzen, on aldehydes in green plants, 



30; C. and Reinke, on aldehyde-like substances 



in green plants, 30 

 Cuscuta, 48 



Cuticle, 107, 269, 270, 275. 285 

 Cyanin, 120 

 Cyanophycece, 21, 26 

 Cynarece, 321 

 Cyssus, 138 

 Cystin, 163, 164 

 Cystoseira, 38 

 Cytisus, 77 

 Cytoplasm, 157 

 Czapek, on root excretions, 125; on transfer of 



organic materials, 152; Biochemie, 158; on 



respiration, 213; on outward diffusion from 



cells, 272; on geotropic and phototropic per- 

 ception, 299; C. and Rudolf, on perception, 299 



Dachnowski, on bog soil, 100 



Dahlia, 9, 144, 168, 305 



Dakin, on "chlorazene," 59 



Dandelion (see also Taraxacum), 253, 270 



Daniel, on grafts, 337 



Darwin, Chas., on evolution, 13; on traumatropism, 



302; Insectivorous plants, 37; Climbing plants, 



313. 3 T 4; D. and Darwin, F., Movement in 



plants, 302, 303, 316 

 Darwin, Francis, on transpiration, 139. (See also 



Darwin, Chas., and D.) 

 Darwinian bending, of roots, 302 

 Dastre, on sterilizing action of light, 294; Physique 



biologique, 109 

 Daubeny, on light and photosynthesis, 23 

 De Bary, see Bary, de. 

 De Candolle, see Candolle, de. 

 Death, without injury to enzymes, 171, 172, 176, 



226-230 

 Deciduous trees, 290 

 Demoore, on protoplasmic permeability, 273; 



Memoire organique, 327 

 Dephlogisticated aid, 2 

 Descending current, of organic substances, 133; of 



water, 270 

 Desmodium, 318, 321, 322 

 Detmer, on seed germination, 195 

 Devaux, on gas exchange of aquatics, 109 

 Development, influence of external and internal 



conditions on, 324-333; development and re- 



producton, Pt. II, Chap. VI, 324-340 

 DeVries, see Vries, de. 

 Dextrin, 39, 213 

 Dextrose, 170, 189 

 Diageotropism, 300 

 Dialysis, 104, 1 11, 162 

 Dianthus, 9 



Diastase, 167, 168, 335, 336 

 Dicotyledons, 151, 253 

 Diels, on algas penetrating stone, 126 

 Dietz, on reversible enzyme action, 171 

 Diffusion, 104, 105, 107, 124, 125; differential, 



130, 131; in sieve tubes, etc., 151; through 



membranes, 106, 107, 114. 121, 122, 123; 



through pores, 108, 109; outward from cells, 



121; of gases, 104-105; of dissolved substances, 



1 09-1 19 

 Digitalis, 141 



Dihydroxyacetone, 170, 17I1 234 

 Dioncea, 37 

 Diphtheria, 185, 186 

 Dipsacus, 278 

 Dischidia, 266, 267 

 Diseases, infectious, 185 

 Disinfectants, 59; light as disinfecting agent, 293, 



294 



Dissociation, electrolytic, 118 



Dissolved substances, absorption of, 119-126; 

 diffusion of, 100-119; and water, movement 



of, 133-134 

 Distilled water, as culture medium, 64 



