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I have feen a fpecies of mofs, like combed wool, in 
wine-cellars, but know nothing of its flower or 
fructification. 
3. Is not light neceffary to give plants their proper 
colour and flavour ? . 
Fruits and flowers demonftrate this. 
4. Does not heat increafe faccharine matter in grain, 
and in that re[pe bring plants to greater perfection ? 
This faé& feems to be well eftablifhed, from along 
comparifon between cold and hot fummers, and the 
correfponding ftate of grain and fruit. 
5- In raifing plants from leaves, is it not nece/- 
fary to keep them in the dark, until they take root ? 
I know nothing of the mode. 
6. Is it becaufe the heat of the fun would draw up 
their vegetable juices, or what other reafon is affigned? 
Cuttings and flips are covered up, I fuppofe to 
fecure them from a powerful fun, the motion of the 
air, and the chill of night; the firft would exhauft 
them, the fecond would difturb them, and the laft 
would ftagnate them, before they could take root. 
7. Do not any feeds, which lie upon the furface of 
the ground uncovered, perifo from the light and heat? 
They will fwell, and, perhaps, fend out an inceffant 
germ or root; but wanting a proper bafis, will ex- 
hauft themfelves and perith. ! 
8. If plants are tranfplanted in hot weather, or in 
the middle of the day, are they not apt to perifh ? 
They 
