210 



THE ART OF 



conifers. If the operation is performed in the open air (in 

 April) the graft should be covered with mastic, and protected 

 with a paper cap. The Taxodium may also be grafted in the 

 end of summer. 



Thuja— Biota. 



Stock. — Thuja canadensis or occidentalis ; Biota orientalis or 

 Thuja sinensis (from seed), according as the variety to be 

 propagated belongs to the genus Thuja or Biota. Mode of 

 Grafting. — Veneering, close to the ground (in February and 

 September) ; cleft-grafting in the forkings of the branches 

 (in April and May) . 



Remarks. — Veneer -grafting is performed under glass, either 

 in a house or covered pit, as we have already described. 

 Stocks grafted with varieties whose moderate vegetative 

 powers do not provoke an extension of the roots, (the Biota 

 aurea, for instance) may be grafted and replanted without 

 being potted ; it would be unwise, however, to do this in the 

 case of vigorous kinds, such as Thuja gigantea, although 

 grafted on the same species of stock. If the stock has been 

 grafted after being taken up, it will be necessary to pot it 

 when removed from under the cloche. Grafting in the 

 forkings of the branches is done in the open air ; the scion is 

 inserted in the angle which a branch makes with the leading 

 shoot (see p. 106). 



Lime-tree. 



Stock. — Dutch Lime-tree (from seed). Mode of Grafting. — 

 Shield-budding ; side-grafting with a simple branch (in July 

 and August) ; close to the ground, or as standards. 



Remarks. — The stocks should be large enough to receive the 

 graft ; but bud-grafting is more certain on a young stock or 

 on a young part of a leading shoot. When the bark of a stock 

 is too thick, it can be side -grafted under the bark with a 

 simple branch (see p. 68). 



