INDEX 



263 



Normal Light Screens, 86 



Normal solutions, described, 151 



Nutation, 216 



Nutrition of Plants, 77; classification, 



7 8 

 Nutritive solutions, described, 116 



O 



Oels, 200 



Oglevee, 161 



Optima, 91, no, 135 



Osmometers, 144, 160 



Osmoscopes, 47, 144, 146 



Osmosis, 143; diffusion and imbibition, 

 143; phenomena, 144, 155; forces, 

 147; membranes, 146, 147; pres- 

 sures, 149, 150, 154; plasmolysis, 

 152; quantities, 152; literature, 152 



OSTERHOUT, 30, 31, 156, 161, 184, 213, 



226, 233, 238 



Ovens, 51 



Oxygen, in photosynthesis, 101, 106; 

 absorbents and tests, 103 



Pantanelli, 102, 103, 105 



Pasteur, 138 



Pearson, 17 



Peirce, 29, 30, 141 



Pepoon, 220 



Periodicity, 216 



Personal equation, 16 



Pethybridge, 184 



Pfeffer, 24, 27, 28, 30, 54, 59, 62, 63, 

 64, 68, 73, 75, 76, 102, 103, 107, 114, 

 119, 121, 142, 148, 149, 150, 151, 152, 



iS3. I S4, i55. l6j . l6 °. I 7 I > J 74, i7S. 

 176, 178, 184, 193, 199, 200, 204, 205, 

 206, 207, 218, 222, 225, 227, 229, 232, 



2 33. 2 39. 2 4i 



Pfeffer's cell, 149 



Photographic outfit, 49 



Photosynrhate, 96 



Photosynthesis, 27, 78; chlorophyl in, 

 79 ; effect on green tissues, 85 ; starch 

 formation, 90, 92; optima for, 91; 

 definition, 96, 113; forms of photo- 

 synthate, 96; use of carbon dioxide, 

 97; release of oxygen, 101; equa- 

 tion, 106; gas-exchanges, 106; quan- 

 tities, no, 113; energy used, no, 

 112; terminology, 113; literature, 



114 

 Photosynthetic equation, 106 



Photosynthometers, 47; described, 107 

 Phototaxis, 236 



Phototropism, 234; in roots, 234; stim- 

 ulus, 235; colored light, 235; special 

 phases, 236 



Physiological chemistry, 44 



Pinometer, 157 



Plant food, terminology, 121 



Plant Physiology, importance, 3; in 

 school, 4; college, 5, 6, 11; prepara- 

 tion, 6; method, 7; teaching, 8; in- 

 vestigation, 9; learning, 10; spirit, 

 10; qualitative vs. quantitative, 11; 

 experimenting, 12; errors, 13; ex- 

 position, 18; illustration, 18; con- 

 stants, 21; expression of data, 21; 

 procedure in course, 23; plans of 

 course, 24; demonstration, 25; out- 

 lines of course, 26; literature, 27; 

 equipment, 31; experiment house, 

 31;. laboratory, 43; content, 56 



Plants, care, 40 



Plasmolysis, 150, 152, 153, 154 



Plasom, 64 



Polygons, 19 



Polymeter, 182 



Potometers, described, 184 



Precision apparatus, 44 , 



Pressure manometer, 51 



Processes of Plants, 77 



Projection methods, 23 



Protection, 241 



Proteid synthesis, 78, 115; source of 

 materials, 115; basal proteid, 117; 

 in Leguminosa, 117; nomenclature, 

 118; literature, 119 



Protoplasm, 2 7 ; structure and proper- 

 ties, 58; streaming, 59; ultimate 

 structure, 61; chemistry, 62; vital 

 structure and properties, 63; reac- 

 tions to forces, 65 ; organization, 75 ; 

 differentiation, 75; literature, 62, 63, 



°4> 75. 7° 

 Protoplasmic streaming, 27, 59 

 Psychrometer, 182 

 Pure-color screens, in, 209 



Quantation, 10 



Quantities, 22, 60, 113, 141, 152, 157, 



161, 192, 193, 207, 255 

 Quetelet, 21 



R 



Reading graduations, 249 

 Recording instruments, 50 

 Rectipetality, 216 



Reed, 129, 162, 184, 196, 220, 221 

 Reflex action, 239 



