354 



s. KUSANO : TEANSPIRATION OF 



TABLE V (January 31-February 4).* 



Only on the first day, the glass cover was removed. The weather 



was fine throughout the day. Weighings were made at 4 p.m. 



on the first and the last days. 



Names of 

 plants. 



Cryptomeria ... 



Pinus 



Podocarfus ... 



Torreya 



Chamcccyparis 



Quercus 



Pitlospoj-um ... 



Illicium 



Tèmstrœmia ... 



Thea 



Eriobotrya 



Photinia 



Thlsia 



DaphniphyUum 



Total amount 



of 

 transpiration. 



23.0 

 26.0 

 31.0 

 10.0 

 27.5 

 34.5 

 29.5 

 12.0 

 32.5 

 24.5 

 30.5 

 14.0 

 32.5 



Average of 

 daily amount 



of 

 transpiration. 



5.750 

 6.500 

 7.750 

 2.500 

 6.S75 

 8.625 

 7.375 

 3.000 

 8.125 

 6.125 

 7.625 

 3.500 

 8.125 



Transpiration during 21 hours. 



per n dm. 



of 

 surface. 



1.238 

 0.684 

 0.491 

 0.436 

 0.495 

 0.658 

 0.66S 

 0.323 

 0.555 



per 100 gr. 

 of fresh 

 weight. 



5.4 



5.7 

 19.8 



6.6 

 54.7 

 22.1 

 15.9 

 13.1 

 16.3 

 20.3 

 21.8 



7.9 

 22.7 



per 100 gr. 



of 

 dry weight. 



14.8 

 13.0 

 52.0 

 13.8 

 113,7 

 57.6 

 31.0 

 33.8 

 23.5 

 42.3 

 53.2 

 27.4 

 54.5 



1st 



fMean 2..3 



* Tcmperaturo-j Maximum ... 8.4 



(Miiiiimnn ...-3.2 

 Relative huiiiitlity 45.0 



2nd 3rd 4th. 



2.9 3.9 .3.4 



8.1 9.5 9.8 



-3.5 -0.6 -2.0 



40.5 43.5 .58.0 



