Construction Explained 



27 



the finer sand particles being silted through. Above 

 the moss arrange a few inches deep of sand, grit, finely 

 pulverised rock and granite chips, the latter to be in 

 the form of a surface mulch or in small proportion 

 elsewhere. The water supply should be under com- 

 plete control, and in addition to the larger lead per- 



FiG. 10. — Sectional Plan showing Constrdction 

 OF A Small Moraine. 



A, horizontal line ; B, hard core foundation ; C, cement concrete, 

 draining towards outlet ; D, winter outlet with perforated zinc 

 cover ; E, 8-inch overflow.; F, Moraine soil, upon small, then 

 large rubble for drainage; G, decorative stones; H, stone 

 hiding tap of winter outlet. 



forated pipes to flood the whole of the beds, smaller 

 ones, also perforated, should be arranged at the sidcjS 

 and, occasionally, in other parts of the' beds where 

 these are of large size, but always obscured a couple 

 of inches below the surface. The best time for plant- 

 ing the Moraine is spring and early summer. The 

 best type of plant is the seedling raised in pots or pans 



