OF CURIOSITY. 187 



from thence we have the Sibirian nettle^ that 

 ferves for making facks. If we had a more 

 compleat knowledge of plants, that grow in 

 the fouthern parts of Afia, and America, wc 

 fliould be able to make more ample, and ufe- 

 full experiments. 



To preferve our woods we want to be pro^ 

 vided with quick-hedges, for which purpofe 

 many kinds of trees are ferviceable, fuch as the 

 goofeherry bujh^ the black-thorn^ the white-thorn^ 

 the berberry^ the fea buck-thorn^ the alder^ the 

 fallow^ &c. provided each be planted in a pro- 

 per foil. 



§• II. 



We have fome of our mofl efficacious me- 

 dicines, and beft fpices from the fouthern parts 

 jof the world ; and were it not for the curious 

 \n botany they had been negleded ; as the lig- 

 num coluhrinum was for a long time. What 

 end would it ferve to know, that xh^ femga root 

 was good againft the bite of ferpents, unlcfs 

 botanifts had alfo known the plant ? And who 

 would ever have dreamed, that our milk-^j::ort 

 would anfwer the fame intent ? What end 

 would it have ferved, that profeffor Kalm was 



witness 



