j_38 Dr. Percival on the 



" monaftery in Galloway, there grows on the 

 " top of a wall, a plane tree, twenty feet high. 

 ** Straitened for nourifliment, in that barren 

 ** fituation, it feveral years ago diredled roots 

 ** down the fide of the wall, till they reached 

 *' the ground, ten feet below : And now, the 

 *' nourifliment it afforded to thefe roots, during 

 " the time of defcending, is amply repaid ; hav- 

 ** ing every year, fince that time, made vigorous 

 *' fiioots. From the top of the wall, to the fur- 

 ** face of the earth, thefe roots have not thrown 

 *' out a fimple fibre, but are now united into a 

 <* pretty th'ck hard root,"* 



The regular movements, by which the fun- 

 dower prefents its fplendid diflc to the fun, have 

 been known to naturalifts, and celebrated by 

 poets, both of ancient and modern times. Ovid 

 founds upon it a beautiful ftory ; and Thomfon 

 defcribes it as an attachment of love, to the ce^ 

 Jeftial luminary. 



** But one, the lofty follower of the fun, 

 •' Sad when he fets ; Ihuts up her yellow leaves, 

 " Drooping all night ; and when he warm* returns, 

 ♦' Points her enamour'd bofom to his ray." 



Summer, line 216, 



IV. Nature has wifely proportioned the 

 POWERS of MOTION, to the divcrfified necefiities 

 of the beings endued with them. Corallines 

 and Seapens are fixed to a fpot, becaufe all their 



• Gentleman Farmer. 



■wants 



