Flagolet beans?

[pjb]

What varieties of bean are best in the UK for Flagolet beans? Thanks.

[pjb]

[jennym]

I've grown a flageolet (flagelot or however it's spelled  ;D ) bean type called Flavert, but bought them in France, haven't seen them here.
I understand that Mr.Fothergills Seeds do one called Flagrano, which I know is grown as a flageolet but for some reason they don't call it that.
http://www.mr-fothergills.co.uk/catalogue/product/bean-dwarf-flagrano/13702/