TREE AND SHRUB LIST 



219 



Fig. 105. Camperdown Elm. The Camperdown Elm (Ulmus glabra var. Camper- 



downii) is either budded or grafted at a height of seven to eight feet upon U. americana, 



U. campestris, U. glabra or U. foliacea 



VAGGINIUM Continued 



the whole of the plant or as many of the stems as it is desired to devote 

 to this method of propagation. The stems that are cut off are dis- 

 carded, or they may be used for cuttings, as described under "Tubering" 

 or "Winter cuttings." 



2. Cover the stumps to the depth of 2 to 3 inches with a mixture of 

 clean sand and sifted peat, 2 to 4 parts of sand to i of peat, by bulk. 

 A rough box or frame may be built on the ground to keep the sand bed 

 in place. 



3. Care must be taken that the sand bed be not allowed to become 

 dry except at the surface during the Summer. 



