62 HORTICULTURAL MANUAL. 



with the leaves cut off or divided. If quite pure fresh- 

 water stream sand is used witli needed bottom drainage, 

 there is little danger of using too much water, as such sand 

 will only retain a certain amount. As soon as roots have 

 pushed an inch into the sand the cuttings should be potted 

 in good soil. 



ra. 



FIG. 30. A, rose cutting ; B, hardy hydrangea cutting. 



67. Need of Buds in Plant Division. The beginner in 

 this interesting work will find some curious confirmation 

 of the theory that leaf buds are essential to root and top 

 growth. As an example, a leaf of some plants will root in 

 the cutting-bench from the stem cut above the axillary 

 bud. After rooting the leaf will increase in size and 

 thickness and continue to live for years. A leaf of wax 

 plant (Hoy a carnosa) will throw out roots and at the end 



