318 



INDEX. 



Reagents used in experiments on 

 metabolism, SOS 



Eeotipetality, 175 



Beinke, on imbibition, 106 



Besins in extracts, 224 



Bespiration, 1 ; apparatus, 2, 3 ; 

 in relation to growth-curvature, 

 153 ; necessary for growth, 131, 

 132, 144 ; intramolecular, 5, 6 ; 

 warmth produced during, 7 



Bichardia, longitudinal tension in, 

 122 



Bicinus, for osmotic experiments, 

 115; pigment of, 45; tangen- 

 tial shrinking of tissues of, in 

 water, 124 



Eigidity of a turgescent shoot, 

 lessened by bending, 127 



Bitthausen on proteids, etc., 231 



Bobinia, chlorotic, 49 



Eochea falcata, fixation of oxygen 

 and increase in acidity in, 9 



Boot, tip of, alone sensitive to 

 gravity, 160 n. ; tip of sensitive 

 to contact and injury, 181 



Boot-pressure, 67; replaced by 

 column of mercury, 70 



Roots, absorption of water and salt 

 by (De Saussure's experiment), 

 66 ; curvature of towards moist 

 surface, 197; dead, absorption 

 of water by, 71 ; effect of de- 

 capitation on, 159, 160 ; diageo- 

 tropic, 177, 178 ; flaccid, curving 

 when wetted on one side, 162; 

 functions of, 66 ; geotropism of 

 not due to plasticity, 154 ; nega- 

 tively heliotropie, 166 ; shorten- 

 ing of, 124 

 Rothert on transmission of helio- 

 tropie stimulus, 167 

 Rubidium, in culture of fungi, 63 

 Bumex, epinastic leaves of, 182 



Sachs, his apparatus for respira- 

 tion, 3 ; on the arc-indicator, 

 139 ; on autonomous move- 

 ments of Trifolium, 212 ; on 

 the auxanometer, 136 ; on 

 blocking of stomata by water, 

 97 ; on change of form in apo- 



geotropic stems, 152 ; on chlo- 

 rotic plants, 49 n. ; curvature 

 in connection with growth ex- 

 periments, 148 ; on sudden 

 curvature of apogeotropic shoots, 

 157 n. ; on use of cyclometer, 

 125 ; on effect of darkness on 

 Mimosa, 188 ; on extrusion of 

 water under pressure, 70 n. ; 

 on filtering emulsion through 

 wood, 83 ; on a formula for 

 water-culture, 52 n. ; on gain 

 in weight by assimilating leaves, 

 27 ; on geotropic growth of 

 roots into mercury, 155 ; his 

 hot-box, 12 ; on hydrotropism, 

 197 ; on the iodine method, 

 17 ; on vertical klinostat for 

 growth experiments, 148 n. ; 

 on Knight's experiment, 155 ; 

 on loss of weight by transloca- 

 tion, 28 ; on the microscope 

 for growth measurements, lB9n. ; 

 on permeability of wood, 81 n. ; 

 on root-pressure, 69 ; on tensions 

 of tissues, 122 n. ; on warmth 

 produced by germinating peas, 

 7 ; on water-culture, 51 



Sachsse's method for estimating 

 amides, 239 ; solution, 249, 264, 

 267 



Salicin, 256 ; decomposed by sy- 

 naptase, 298 



Saligenol, 293 



Salix, used in experiments on 

 glucosides, 257 



Salts (inorganic), 279 ; experi- 

 ments on, 284, 295, 300, 301, 

 308 ; see also Ash 



Sambucus nigra, nitrates in leaves 

 of, 59 



Saponification of oils and fats, 

 244 



Saussure de, see De Saussure 



Sohimper on calcium oxalate, 58 ; 

 his method with chloral hydrate, 

 18 ; on nitrates, 59 ; on use of 

 polarisoope for finding minute 

 crystals, 109 ; on water-culture, 

 52 n. 



Schulze on Cellulose,. 273 



