New YorK AGRICULTURAL EXPERIMENT STATION. 363 
opportunity was not afforded for comparing these results with 
the germination of new seeds, it may be confidently stated that 
the percentage of germination among normal, fresh seeds would 
have been much higher than those here given. 
A sample of old crimson clover seed was also separated. There 
were no germinations below 1.23. Judging from experience with 
other kinds of clover and other leguminous seeds, it appears 
probable that fresh crimson clover would show germination 
below 1.23. 
If the correlation between viability and specific gravity here 
suggested is found to exist actually, it immediately becomes prac- 
ticable to separate in advance from a lot of seeds those which 
would soonest become non-germinable. This might be desirable 
in cases in which it was desired to keep seeds for several years. 
RELATIVE SPECIFIC GRAVITY OF SEEDS MOIST AND 
AIR DRY. 
Seeds in the moist condition, such as grape seeds fresh from 
the berry, generally do not have the same relative specific grav- 
ity as do seeds in the air dry condition. This point was brought 
out in observations on seeds of the Black Hamburg grape which 
were examined on the same day they were taken from the fruit 
and again about two and a half months later. The results are 
shown in the following table: 
