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conftitution of the plant, I confider water and light, 
but chiefly the former, as conftitutine its whole 
nourifhment; in aid of which, foiland air and warmth 
are neceflary. . 
2. What kinds of water are favourable, and Saeed 
are injurious, to vegetation 2 
In the floating countries thé firft warm sth from 
the {pring is preferred.+Mineral and metallic 
waters are injurious. 
3. What has been the effed of shithosinghe young or 
ald plants with hard water ? 
4+ How often are garden sho obliged to be wa- 
euedis in dry Jeafons? 
A watering, proportioned.to the heat and drynefs, 
is defirable daily. . 
5- What is reckoned the fittef? time for watering 
them,and why ?———Evening in the fummer, and 
forenoon in winter; the reafons obvious. 
6. As plan's perifo if not watered, is it owing to 
their wanting moifture to fupply their fap, or to what 
other caufe? 
‘I believe to the want of ee for preferving 
the:circulation. Plants will be injured by a quantity 
of water greatly overbalancing the expenditure, and 
more fo ftill by an inadequate fupply. 
7+ Would not a tree, if exhaufted of its fap, perifb? 
Yes, and if the circulation be interrupted. 
8. Does the fap flow all the year round, or during 
what feafons ? ; 
Q2 If 
