PROPAGATION. 



43 



we find that this and the P. excelsa, P t Lambertiana, P. 

 monticola, and others, 

 have many peculiarities 

 in common. They have 

 each live leaves in a 

 sheath, and are similar 

 in appearance. Their 

 cones are long, with the 

 scales not thickened at 

 the apex. The habit of 

 the trees is also much 

 alike. The White Pine 

 serves as a stock for all 

 these. So with the Scotch 

 Pine, (Finns sylvestris), 

 which is suited as a stock 

 to the related species P. 

 Banksiana, P. pumilio, 

 P. pungens, and others. 

 The following method 

 for grafting evergreens 

 we have practised for 

 several years, and con- 

 sider it the most certain 

 and easily performed. 

 Having, during the pre- 

 vious autumn, potted the 

 plants to be used as 

 stocks, and wintered 

 them in a cool frame, 

 they may be gradually 

 forced into growth to- 

 ward spring. When the 

 buds commence to swell, 

 the plant is in a suitable 

 condition for the operation. 



6. GRAFTING EVERGREENS. 



In all cases the graft should 



