INDEX 



341 



Carbon, absorption and uses of, 21 7, 226, 

 227, 228 

 dioxide, apparatus for producing, 



4 2 . 2 33 

 estimation of, 254, 255 

 influence of, on protoplasm, 52-54 

 growth of plants in air lacking, 

 228, 229, 23CT 

 Cardamine pratensis, buds on leaves of, 



324 

 Carpotropic movements, 306, 307 

 Carpotropism, 87 

 Cassia, nyctitropic movements of 114, 



'43. 144 

 action of nectaries , 188 

 Catalase, 274, 275 



Cell, chemical properties of, 220, 221 

 division of, 276-278 

 functional relation of components, 



221, 222 

 growth and senescence of, 279, 280 

 length of life of, 279, 280 

 physical properties of, 175 

 purpose of multiplication of, 276, 



277 

 size of, 280 

 Cell-wall, theory of the chemical nature 



and formation of, 273, 294 

 Cellulose, determination of, 158, 159 

 Cephalanthera pallen, chemotropism of 



pollen of, 61 

 Ceratopteris, bulblets of, 315 

 Chemosynthesis of nitrogenous sub- 

 stances, 238, 239 

 of carbohydrates, 237, 238 

 Chemicals, influence of upon develop- 

 ment, 63, 64 

 relations to organisms, 39, 40 

 Chemotaxis, 57-60, 309 

 Chemotropism, 60-^62 

 Cherry, ascent of sap in,- 213 

 Chloroform, influence of upon Mimosa, 50 

 movements of protoplasm, 



49 

 Oxalis, 50 

 Chlorophyl, absorption spectrum of, 122, 

 123 

 curves of absorption of light, 121 

 fluorescence of solutions of, 121 

 formation of in darkness, 118 



in blanched specimens, 1 19 

 micro- chemical tests for, 119 

 purposes and functions, 119 120 

 Chromatin, 220 

 Chromatium Okeni, photosynthesis by, 



237 

 Cichoriaceae, irritable stamens of, 19, 20 



Cissus, velvety surfaces of leaves, 126 



Cladonia, 248 



Clark, on relation of toxic effect and 



electrolytic dissociation, 63 

 Clautriau, on digestion by Nepenthes, 272 

 Clinostat, 75, 76, 77, 86 

 Clostridium, 218 

 Cobalt test for transpiration, 198, 199, 



200 

 Cocaine, toxic action of, 56 

 Cocos, fats of, 168 



Cold, relating to resting bulbs, 94, 95 

 Coleus, colored sap of, 130 

 Color filters, 123, 124 

 Compass plants, 139, 140 

 Composition of plants, 147-150 

 Conocephalus, stomata of, 19S 

 Contractile reactions, 10, II 

 Convolvulus, resting period of, 298 



water cultures of, 223 

 Copeland, on a self-registering transpira- 

 tion machine, 204 



relation of nutrient salts to turgor, 

 219 

 Coprinus velaris, hydrotropism of, 67 

 Corallorhiza, mycorhizas of, 246, 247, 



248 

 Corbett, on an auxanometer, 287 

 Cordyline viviparum, propagation of, 325 

 Coriaria myrtifolia, lenticels of, 194 

 Corn, 45, 66, 67, 69, 70, 81, 92, 93 

 Correlations, 88 



in growth due to injuries, 304 



movements due to, 304, 305 

 Correns, on propagation of mosses, 312 

 Crataegus, propagation by roots, 316 

 Cucurbita, effects of pollination in, 303 



effects of shock upon streaming 

 movements of protoplasm of, 11 



grand period of growth of fruit of, 294 



pepo, seeds in liquid hydrogen, 90 



plasmolysis of hairs of, 180 



rate of ascent of sap in, 215 



translocation in, 24 1 

 Curtis, investigations on turgidity in my- 

 celia, 300 



on. pressure in stems, 216 

 Curvature, zone of phototropic, 1 36 



of dorsiventral organs, 84 



of grass stems, 83, 84 



of roots, 82 



of shoots, 83 



of tendrils, 22, 23, 24, 25, 26 



of twining plants, 85 



recovery from geotropic, 88 

 Curve, auxanometric, 290, 293 

 Cuscuta, relations to hosts 249 



