224 ORNAMENTAL GARDENING. 



and formality in the work, there is no reason why such 

 rockeries should not prove very pleasing in any garden 

 that can accommodate them. 



An arch constructed of rough stones, and covered with 

 climbers, is represented by figure 73 . This makes an ap- 

 propriate entrance to a rock-garden, or it may be intro- 

 duced independently as an entrance to other divisions of 

 the grounds. Even small lots Avill allow such an object to 

 be brought in very fitly. This may be, because there are 

 but few steps of transition between rocks, as they come 



Fig. 71. — AN ARCHWAY OF ROCKWORK. 



from nature, and as they are used in buildings. At any 

 rate, I have observed that we may have, even in a small 

 and highly finished garden, a bit of some such pictur- 

 esque roughness, where other kinds of natural material 

 used to a marked extent would seem out of place. 



Kock Grottos often prove interesting features in gar- 

 dens. They need not necessarily be dark, damp, or un- 

 healthy, and may, from the very nature of the material, 

 and the manner of their construction, be made comforta- 

 ble places in the heat of summer. Figures 72 to 74 give 

 a ground outline, a cross section and a stairway of a sim- 

 ple form of Grotto. There are in this two places of en- 

 trance and exit on the level of the floor, and stairs leading 

 from the interior to the summit, thus providing for free 



