PART I.] 



CULTURAL 



105 



the raison d'etre of the shape of the hills and valleys which 

 make its beauty ; without it the fine slope on which this garden 

 stands would not be in existence the entire district would be 

 altered, to say nothing of the fact that, were it not for this dip r 

 and the vast industries which it fosters, the wealth which built 

 the rock-garden would have been elsewhere. " Follow Nature 

 in all things," is the only safe motto for the landscape gardener. 

 It would be tedious and perhaps not very useful to enumerate 



Old Bed Sandstone. 



the different kinds of water-bedded rock which can in Britain 

 be used for rock-gardens. A glance at the chief members will 

 suffice. 



Of the grits we have already spoken, and their mode of 

 weathering is that of the entire class of sandstones, coarse and 

 fine-grained, massive and flaggy. With regard to the latter, it 



