54 



Obviously the three last-mentioned lots were not used; the 

 price mentioned in the calculations is that at which the seed 

 could have been sent out from here. 



It is generally considered that Birch seed loses much in ger- 

 minating capacity during the winter. However, this is not the case, 

 as was shown us by the following experiment during the season 

 191112: 



Germination in 10 20 days 



Danish Birch Seed, Lot I September 69 72 



May 84 88 



Lot II December 79 81 



May 63 65 



That Lot I germinated better in May than in December is in- 

 deed an accident; perhaps it is also to be attributed to the fact 

 that seed ripened by storing sometimes germinates better than 

 freshly gathered seed, which at any rate is nothing extraordinary. 

 The result of Lot II that the seed fell off somewhat between 

 December and May would probably be more correct. 



ACORNS AND BEECH-NUTS 



With these testing by cutting sections is quite satisfactory, for 

 which reason I have only got the Seed Testing Institution to un- 

 dertake a few tests, which are set out in Table IV. 



On the other hand I have undertaken a series of sowing ex- 

 periments from time to time with germinated and non-germinated 

 acorns, in order to remove the misgiving, apparent at the time, 

 about sowing germinated acorns; and I have already had the 

 opportunity, in 1900, of demonstrating that acorns germinated be- 

 fore sowing grow just as well as those not germinated.* 



A later experiment meanwhile taught that the previously ger- 

 minated acorns grew not only as well as the non-germinated ones 

 but under unfavourable conditions even better. 



* nBrugbarheden af spirede Agernir. Tidsskrift for Skovvsesen, Bind XIII, 1909. 



