Sect. XVII. 5. 9. 



ROOTS AND BARKS. 



497 



m 



the vegetable 



»■» 



circulation, or forward the afcent of their juices ab- 

 forbed by the radical or cortical abforbents. In dry weather the brufh 



^^ 



■••-— 



lliould be frequently dipped in water. Wafliing 



the barks of 



w 



A 



» 



by a water-engine may alfo fac 



the protrufion 



f 



eir 



■»► 



buds in dry feafcns ; and might pofhbly prevent the canker, if appl 

 ed to dwarf or afpallier appl 

 be occafionally deilroyed 



Other parafite vegetables mud: 



ley 



th 



fungi, 



-4*-^^^ 



— * • 



•"■ 



* 



w 



rnifleto 

 nicera, 



tory. 



with the ivies and other climbers, as fome kinds of 

 matis, and fumaria, woodbine, virc;in's 



bo 



and fumi 



vr:^ V V 



« -4 



• » "• 



9. When a wound is made in the bark fo as to expofe the albu: 



lip of the wound is liable to grow faft 



the 



pper 



num to the air, 



downwards, tha 



former being fupplied dire6lly with nutritive juices fecreted from 



one is to grow upwards, owing to the 



o 



table blood, after its ventilation, and confeq 



the leaves; whereas the lower lip only receives thofe j 



■- 



by inofculation of veflel 

 proje^:, and to fupply i 



Over thefe wounds the cuticle Is liabl 



hiding 



fo 



fe6ls, which 



th 



th 



fibres of the growing bark, and perforate the al 



burnum ; or by their moifl 



mth. and th 



W--^ ^ 



-^ 







tribute to the decay of the alburnum, and prevent the healing of 



■■'" -.- 



the wound 



Thefe dead edges of the projecting bark or cuticl 





•^ 



fhould be nicely cut off, but not fo as to wound the living bark 



r-- 



H*" 



Plaflers of 



or 



f 



with fublimate of mercury, have been 



^ 



recommended to preferve the wounded parts from th 



and from 



«lL 



— ' 



T-l 



'-'■ 



■*\ 



•"*" 



moiflure, and from infe(3:s ; but as all thefe materials are injurious 

 to the fibres of the living bark, they ihould be ufed with caution, fo 

 as not to touch the edges of the wound, but only to cover the al- 

 burnum ; for this purpofe white lead and boiled oil, mixed into a 



* A 



a- 



ck p 



th the addition of fublimate of mercury, or of 



^ 



fenic, or of fpirit of turpentine^ may probably anfwer the purpofe ; 

 and may be of real utility on the wounds of thofe trees, whofe wood 



S 



contains 



*" 



* 



* 



