[ I20 ] 



"items of large trees. That this is the cafe may be perceived, the 

 twit's and fmaller branches being covered with hoarfroft, when 

 the trunk and larger branches remain uncovered. 



Da. Wilson of Glafgow obferved, that when a great degree 

 of cold prevailed, palifades extending outward from a houfe, and 

 alfo from a large pillar, were covered with hoarfroft, in the moft 

 regular manner, according to their proximity or diftance from 

 the houfe or pillar, thofe next the houfe or pillar remaining free 

 from hoarfroft, while the more diftant ones were entirely co- 

 vered*. This accounts for the fig-tree ftioots, mentioned by 

 Miller, being killed when growing out from the wall, at the fame 

 time when the other flioots clofe nailed to it efcaped unhurt f . 

 From this circumftance, moft people have affixed thofe plants 

 which they wiA to naturalize to the climate againft walls. But 

 when put to a wall, care ftiould be taken that they are (heltered 

 from ftrong winds, which generally injure the leaves and young 

 fhoots, thereby deftroying the plant if it is not vigorous. On this 

 account the ftems of large trees are preferable for climbing plants, 

 and there they muft always be more admired as appearing more 

 natural. 



But inftead of affixing to walls thofe plants which require no 

 fupport, we might cultivate them in pots or boxes, which may 



bd 



* Philofophical Tranfaftions, Vol. Ixx, p. 471, 2. 

 t Miller's Diftionary, Article Ficus. 



