WATERING. 
67 
CHAP. III.] 
leaves* like the tobacco* requires twice as 
much water as a plant with small pinnate 
leaves* like an acacia. Plants exposed to a 
strong light* also* require more than plants 
grown in the shade. 
The time for watering plants varies accord¬ 
ing to the season. In spring and autumn it 
is best to water plants in the morning. But 
in summer* the usual time is the evening; 
while in winter* the very little that is re¬ 
quired* should be given in the middle of the 
day. Many persons object to watering their 
plants when the sun is upon them; but this 
is not at all injurious* so long as the water is 
not too cold* and is only given to the roots. 
Watering the leaves when the sun is upon 
them will make them blister* and become 
covered with pale brown spots wherever the 
water has fallen. It is much better to water 
plants during sunshine* than to suffer them 
to become too dry; as when the spongioles 
are once withered* no art can restore them. 
When plants have been suffered to become 
too dry* the ground should be loosened be¬ 
fore watering it; and water should be given 
a little at a time* and frequently* till the 
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