Four o'clock
After they had eaten their luncheon , which brought with it echoes of the laughter which had accompanied the picnic supper eaten in that very corner years ago , they seated themselves in a sheltered spot to wait . It really seemed as if the old gray walls retained some of the spirit of those earlier days , so gentle , so mirth-inspiring was the sunshine that warmed them . `` I 'm so glad we came , '' said Mary , -- they had both said it before , -- as the sunny peace penetrated their very souls . Four o'clock brought the cab , and they drove down the long hills , looking back often for a final glimpse of the waving grass and the gray stones . As they turned a sharp corner and lost sight of the old fort , Mary Leonard glanced furtively at her companion . Her own eyes for the second time that day were not quite clear , and she was not sorry to detect an added wistfulness in Lucy Eastman 's gaze . `` Lucy , '' said she , and her voice shook a little , `` I 'm tired . ''