238 CHAPTER 46. 
knowledge of the climate of each plants 
and^ the foil in which it floiiriflies, in that 
climate. 
Under the influence of fach men as 
Sloane, the Sherards, and other opu- 
lent encouragers of the fcience, gardeners 
acquired botanical knowledge, and were' 
excited to greater exertions in their art. 
Hence, I believe, the E?igli/Jj gardeners have 
(hewn themfelves equal, if not fuperior, to 
moft others. My plan does not allow me 
to deviate fo far, as to cite authors on the 
fubjedl of gardening, unlefs eminent for their 
acquaintance with Englijlo botany. Some 
have difdnguifhed themfelves in this way^ 
and I cannot omit to mention with app!aufe> 
the names of Fairchild, Knowlton, 
Gordon, and Miller* The firft of 
thefe made himfelf known to the Royal 
Society, by fom.e " New Experiments re- 
lating to the different, and fometimes 
" contrary Motion of the Sap which 
were printed in the Fhilofopbical Tranfac- 
tions. Vol. xxxiii. p* 127. He alfo affifted 
in making experiments, by which the fexes 
of plants were illuftrated, and the doftrine 
6 confirmed 4 
