PROPAGATION. 73 



thick as a lead-pencil, are called extra, or two-year old, 

 and command a higher price. The next size, called 1st 

 class stocks, are large enough for co-aptation to the aver- 

 age scions, and long enough to make two cuts each for 

 grafting ; and those that fall below this requisition are 

 considered second class, and are either thrown aside or set 

 out for budcling, and for stock or collar-grafting in the 

 rows. 



