the graveyard proper ended at the bottom of the west side of the hill , beneath the old apple tree , with a fence of rust-brown iron railings , each topped with a small , rusting spearhead , but there was a wasteland beyond that , a mass of nettles and weeds , of brambles and autumnal rubbish , and bod , who was , on the whole , obedient , did not push between the railings , but he went down there and looked through .