WAXES FOR GRAFTING AND FOR WOUNDS. 89 



paint is of the proper consistency. Pare the bark until 

 smooth, as the fuzzy edge left by the saw will cause it to 

 die back. Paint the wound over in dry weather, and if the 

 wound is very large cover with a gunny-sack. 



24. Tar for Bleeding in Vines. — Add to tar about 

 3 or 4 times its weight of powdered slate or some similar 

 substance. 



25. Hot Iron for Bleeding in Vines. — Apply a hot 

 iron to the bare surface until it is charred, and then rub 

 into the charred surface a paste made of newly burnt lime 

 and grease. 



26. Collodion for Bleeding in Vines. — In some 

 extreme cases 2 or 3 coats will be needed, in which case 

 allow the collodion to form a film before applying another 

 coat. Pharmaceutical collodion is better than photographic. 



