Dicksonia antarctica
How did you get on with the mystery plant yesterday. It was Dicksonia antarctica, the most commonly grown, most commonly bought and most commonly killed species of tree fern. Insanely popular 15 years ago, a spate of cold winters and a lack of understanding of their requirements (lots of water, even on the trunk where half the roots are found, and a moist atmosphere) meant that most of those trunks shipped halfway across the world from Tasmania were destined to die.
But in the moist, mild conditions of Ireland it thrives and you can see some marvelously healthy specimens.
The Biking Gardener 
I knew from your comment yesterday, that it wouldn’t be what it looked like 🙂
Oh dear – I am getting predictible!