— 21 — 



Experiments in germination were made in general in March, July, 

 September and December, but sometimes a month earlier or later. 

 Trials made in three consecutive years numbering 12. In every experi- 

 ment only the seeds taken from the same bottle were used and the 

 average of three sets of 100 seeds were obtained. 



Fall of germinating power of seeds, and temperature and moisture 

 of the room are shown by the following tables: 



Percentage of Germinating Seed with regard to Mode of 

 Preservation and Tree Species 



1910 



1911 



Species 



Mode of preservation 





3 



1-5 



m i-s 



S 



a , p, 



3 j 0) 



i-s m 



1912 



a. 



ID ' ^i 



1-3 I CQ 



<D 



Q 



^1 



MS 





M.« 



f (1) 88.0 86.0,67.6 0.3 — ! —\ — — —'—'—_ 

 • • I (2) 88.0 94.7; 88.7 89.3 89.7 90.3' 88.4| 80.0 81.7 76.0' 86.?; 85.7 



In an ordinary room 



In a cellar: 



T„ c Ao,r.i- ,.,-,„^»„ v,^ + i^ (') 88.0 89.7 73.0 74.0 70.0 66.0,43.0 



In a dark wooden chest '[ ^3^ 88.0 89.7 88.0 86.7 93.0 81. 3I 70.3 



— ' Laid on the table 



/ (I) 88.0 87.3 67.0 70.7 63.7 84.3 45.0 

 ( (2)188.0 86.6 88.7 87.0 87.7 89.6' 82.0 



U2) 



30.0 26.7 

 77.0: 66.7 



24.7 

 60.0 



40.3 39.0, 33.7 

 82.0 74.3 73.7 



59.0i 54.4 29.0 10.6i — — ! 



59.0 59.7157.7 49.0:44.3 41.0;26.0 12.0 



In an ordinary room 

 In a cellar: 

 In a dark wooden chest :{ <ff^ 59.0 50.0 ^1.7 ^ - ^ - ^ - 



i j I : 1 I 



Laid on the table ■ ■ { [^yllifel 5^1 3ol 



2.3 



4.0 



19.3: » 



75.0' 66.3 



11.0! * 

 67.5; 65.7 



2.3 1.7 



In an ordinary room . . { g ^^.O 28.0|21.0^4.6| 

 In a cellar: 

 In a dark wooden chest {| '>^. 350I32 7! 107 ?3i — 



26.7 15.3 



0.7 



2.0 1.3 



6.7 0.3 



.§ j Laid on the table 



1 1 (1) 35.0 29.0i 4.3; 1.0 



(2) 35.0 35.0' 11.71 1.7, 0.3 



JRemarks : ( 1 ) The vessel had cotton as stopper. 



(2) The vessel was kept air-tight by means of a glass stoppers 

 with paraffin coating. 



* Unable to continue the trial owing to damage by rate. 



