FiG3le J 
13. What is your opinion of a praélice in Denmark, 
by which, to keep back the bioffims of their jruitsifeet, 
they eo Seer them in the Jpring in the day- time, and 
expofe. them at night 2 
When the objet is to retard vegetation, this i me: 
thod may be ufeful. ¥y 
14. Have. you ever tried the experiment, of plants 
being fhut up in a dark place, with uly one hele in it 
into which the light was admitted, to fee whetber the 
plants would bend to.the light? 
Without , an intentional experiment, the fa& too 
often occurs to admit of doubt. A myrtle in a win- 
dow, if not fometimes turned, will grow on one fide; 
‘and that fide will be towards the light. 
15. Have you ever, heard, that trees are better 
nourifhed o on their Jouther nthan on their northern fi ae, 
and that the inner circles are thicker to the fuitbert n 
than to the northern afpeét ? % 
Generally, I believe, the fouthern fide of a tree is 
better conditioned than the other. This circum- 
flance in the annular rings I have never obferved} 
but as the head of a tree generally keeps the-ftock 
from the fun, I fhould not expeé to realizé*the 
affirmative, but in particular inftances. bese 
16. Do plants g grow moft in the day or the night 
time? 
Tcan only propofe an anfwer from general ‘obfer- 
vation, having never critically attended to the query. 
My decided opinion is, that night is thé period for — 
increafing 
