uo ON THE FOLIATION 
the blue mountain tbifile , touch-me-not , &c. On 
the contrary we fee fuccories and thiftles never 
flower before the fame folftice, whence the 
hpfbandman judges from their flowers, as from 
a calendar that cannot deceive, that the fol- 
ftice is paft. From hence it is evident, that 
there is fomething elfe befides moifture and 
heat which promotes the fertility of plants, 
*• 3 * 
In the fame manner trees obferve fixed laws, 
and a certain order in their leafing ; fo that he, 
who is but moderately verfed in this affair, 
feldom laft above three or four nights. After thefe barfey 
does not grow, and about the time they come on, the gar- 
deners do not venture to truft their green-houfe and other 
tender plants any longer to the open air. At that time the 
leaves of the fig, the mulberry , the walnut, the vine, the 
toxicodendrum and even of the beech are fhrivelled up. 
The Indian plants, fuch as the kidney lean, the African 
marygold, the cucumber, the amaranth, the convolvulus , 
the tobacco , the thorn apple , &c. dye. Nay fometimes 
even our native plants, as the noli me tangere, the leffier bur- 
dock, the bryony , the vipers bugles, the pimpernel, the blue 
mountain fow-thijlle, the goofewort, Sec. wither. But be- 
fore this happens, the meadow fajfrcn puts forth its flowers, 
and that fometimes fooner, fometimes later, according as 
thefe iron nights come fooner or later. Barck, 
may 
