600. In the twelfth century, Chalmers informs us (Caledonia Depicta, vol. i. p. 801.), 'David I. had a garden at the base of Edinburgh Castle. This king,' he adds, 'had an opportunity of observing the gardens of England under Henry I., when Norman gardening would, no doubt, be prevalent;' and we may reasonably suppose that he was prompted by his genius to profit from the useful, and to adopt the elegant, in that agreeable art.