_ 84 - TRANSPIRATION. 



15. Demonstration of the fact that water is given off by a plant. 



16. Effect of loss of water by transpiration in a case where it cannot be replaced 

 from, the root : rapid withering of a cut leaf. 



17. Proof that most water is given off from regions where stomata are 

 most abundant : cobalt chloride paper attached to the upper and lower surfaces of a 

 leaf. 



18. Loss of weight in a plant owing to transpiration. 



