Narrated Sa`id bin Al-Musaiyab: That his father said, "I saw the Tree (of the Ar-Ridwan Pledge of allegiance and when I returned to it later, I was not able to recognize it. (The sub--narrator MahmiJd said, Al-Musaiyab said, 'Then; forgot it (i.e., the Tree).)"
The chain is ordered from the source of the saying to the compiler: 1 = the speaker/first transmitter, the following links those who passed it on in turn, and at the bottom al-Bukhari who compiled the work. Click a narrator to list every hadith in which he appears; the number in parentheses is how many hadiths across the collections on this site the narrator appears in.