'The Water Lily' was recorded by Martyn on his Emu Plains LP/CD, with Priscilla Herdman's tune, and the credits say 'published by Panache Music'. 'Barbara Ellen', which I referred to before, is on Song Links as an Australian version of the song, taken from a version by Jack Lawlor of NSW. It starts 'In Dublin I was reared and born, in Dublin I was dwelling', so it is most likely originally British, but the sponsor notes say that Cathie O'Sullivan, the singer, learned it from Sally Sloane, and it incorporates a few interesting local changes, like 'drinking at the Royal'. It's also linked, via the last verses, to a 2000 year old legend from Han China.