INDEX 



117 



Spores, 6, 7 

 Starch, 46, 49, 50 

 Starvation, 68 

 Stem, 37 

 Steinach, 93 

 Stimulation, 82, 85, 86 

 Stimulus, 34, 35, 38, trans- 

 mission of, 39 

 Stockard, 96, 102, 105 

 Stomata, 47 

 Strawberry, 23 

 Sugars, 18, 46 

 Sulphur, 51, 53 

 Sunlight, 49, 50, 53 

 Surface forces, 26, 33, 43 



Tannic acid, 17 

 Tashiro, 78 



Temperature, 18, 30, 57, 

 65, 70, 71, 82, 101, 102 

 Testes, 93, 94 

 Thyroid, 91, 92 

 Toxicity, 81 

 Tropisms, 37, 38, 39, 40,41 



Turnips, 61 

 Tyndall, 4 

 Tyrian purple, 61 



Ultra-violet light, 53 



Vanadium, 62 

 Verworn, 63 

 Vitality, 83 

 Vitamines, 52, 98 



Waller, 87 

 Wasps, 97 

 Water, 38, 99; absorption 



of, 3, 161 

 Water glass, 17 

 Water hyacinth, 101 

 Wheat, 69 



White blood cells, 26 

 Willow, 24 



Yamagiwa, 104 

 Yeast, 95 



