Probably should be The Purlieu

I think I'd put my money on that explanation, despite the number of MORSE landlords in the Forest :-)

{ I assume you know the Purlieu is between Lydney and Blakeney, on a straight section of Roman road, now the A48...... )

an example, or two

Purlieu Farm
The Purlieu
Blakeney
Gloucestershire
GL15 4LW

Little Purlieu Cottage,
Purlieu,
Lydney,
Gloucestershire,
GL15 4LN

The Willows
Purlieu,
Lydney,
Gloucestershire,
GL15 4LN