INDHX. 



147 



Tool-table. 31, 32 

 Transfer of foods, 77 



of minerals, 74 



of water, 74 

 Transpiration, 77 

 Transpiration devices, 78. 79 

 Transpirometer, 79 

 Traumatropism, 125, 133 

 Tropisms, 132 

 Tubes, to transfer, 43 

 Turgidity, 69, 70 



V 



Vapor-tension, 67, 137. 138 

 Variation, 116 

 Vitality, 115 

 Vizualization, 19 



W 



Wall diagrams, 20 

 Wardian case, 23 

 Water-culture, 71, 100 

 Water in cell-walls, 75 

 Water-supply, to give, 44 

 Weber's law, 134 

 Weight, measures, 46,47 

 Wilting, to diminish, 44 

 Worth of courses, 8 



X 



Xerophytic characters, 82 



Zurich germinators, 36, 107, in, 130 



