EVERGEEEN TREES IN WINTER. 



357 



TABLE VIII (March 21-24).* 



The glass cover was placed aside during both day and night. 



The weather was very fine, and weighings were made on 



the first and the last days. 



Names of 

 plants. 



Cryptomerici ... 



Pinus 



Podncarpus 



Torreya 



Chamcecyparis 



Quercus 



Pittosporum^ ... 



Illicium 



Ternstrœmia ... 



Thea 



Erioboirya 



Photinla 



Fatsia 



Daphniphyllum 



Tutal amount 



of 

 transpiration . 



70.0 

 54.0 

 95.0 

 93.0 

 46.0 

 Gl.O 

 69.0 

 89.0 

 36.0 

 46.0 

 56.0 

 39.0 

 80.0 

 55.0 



Average of 

 daily amount 



of 

 transjiiration. 



23.33 

 18.00 

 31.66 

 31.00 

 15.33 

 20.33 

 23.00 

 29.66 

 12.00 

 15..33 

 18.66 

 13.00 

 26.66 

 18.33 



Transpiration during 24 hours. 



per D dm. 



of 



surface. 



3.661 

 2.012 

 1.974 

 1.802 

 0.934 

 2.006 

 1.140 

 2.464 

 1.251 



per 100 gr. 

 of fresh 

 weiglit. 



31.5 

 16.5 

 27.9 

 79.3 

 40.6 

 161.6 

 56.2 

 64.0 

 53.8 

 30.7 

 61.9 

 42.2 

 60.3 

 51.2 



per 100 gr. 



of 

 dry weight. 



66.3 



46.4 



63.4 



208.2 



85.1 



339.2 



167.4 



124.8 



124.8 



44.3 



128.8 



90.8 



208.5 



123.0 



§ Fourteen leaves had fallen off before the experiment was begun. 



22nd 23rd 



24th. 



