speaking of Black Adder...

What the hell...my favourite exchange of all time....

Blackadder: Now, where the hell are we?

George: Well, it's difficult to say, we appear to have crawled
into an area marked with mushrooms.

Blackadder: [patiently] What do those symbols denote?

George: Pfff. That we're in a field of mushrooms?

Blackadder: Lieutenant, that is a military map, it is unlikely to list
interesting flora and fungi. Look at the key and you'll
discover that those mushrooms aren't for picking.

George: Good Lord, you're quite right sir, it says "mine". So,
these mushrooms must belong to the man who made the map.