Perchance Leviathan of the deep sea Would lease a lost mermaiden's grot to me, There of your beauty we would joyance make A music wistful for the sea-nymph's sake: Haply Elijah, o'er his spokes of fire, Cresting steep Leo, or the heavenly Lyre, Spied, tranced in azure of inanest space, Some eyrie hostel, meet for human grace, Where two might happy bejust you

He sees beyond, umbrageous grots and caves, Where odorous plants entwine their glistening leaves.

He kept, doubtless, in remembrance the fundamental idea, that the Christian church should symbolise a grot or cave.