The Mudcat Café TM
Thread #57991   Message #3640075
Posted By: Jack Campin
08-Jul-14 - 07:02 AM
Thread Name: Origins: rathlin bog / Rattlin' Bog / Rattling Bog
Subject: RE: Origins: rathlin bog / Rattlin' Bog / Rattling Bog
I suspect "rattle grass" is usually Rhinanthus minor.

It's a weird plant and I doubt it can have had many positive associations in traditional culture. So I doubt it relates to the song.