I have had a seminal emission but I found no water, and the rest of the hadith is the same but with this addition: 'Amr said: 0 Commander of the Faithful, because of the right given to you by Allah over me, if you desire, I would not narrate this hadith to anyone.
إِنِّي أَجْنَبْتُ فَلَمْ أَجِدْ مَاءً وَسَاقَ الْحَدِيثَ وَزَادَ فِيهِ قَالَ عَمَّارٌ يَا أَمِيرَ الْمُؤْمِنِينَ إِنْ شِئْتَ لِمَا جَعَلَ اللَّهُ عَلَىَّ مِنْ حَقِّكَ لاَ أُحَدِّثُ بِهِ أَحَدًا وَلَمْ يَذْكُرْ حَدَّثَنِي سَلَمَةُ عَنْ ذَرٍّ