For that you want 
&{$Procedures{$Procedure}}($Parameter);
# or
$Procedures{$Procedure}->($Parameter);

[download]
And yeah, the syntax may be confusing, but that's just how references work.

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re^3: How to call a sub reff from a hash by Joost
in thread How to call a sub ref from a hash by NateTut

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