阅读下面的诗，回答相关问题。

                                                                                                        早  作
                                                                                                    裘万顷（宋）
                                                                                 井梧①飞叶送秋声，篱菊缄②香待晚晴。
                                                                                 斗③柄横斜河④欲没，数山青处乱鸦鸣。
                                              【注释】①井梧：井边的梧桐树。②缄：包藏。③斗：北斗星。 ④河：银河。