How do I use jQuery selectors with an object?

I have an unordered list in an object: var myUL = $('ul#theID'); //I send this var to another function in the code I want the direct children only of this object (I have another 'ul' within each 'li' that also has 'li's in it), but this selector does not work: $(myUL + '>li').each( etc, etc... It gives me the error "uncaught exception: Syntax error, unrecognized expression: [object Object]" on this selector in Firebug. If I use $('li', myUL) it gives me ALL of the 'li's withing the ul, not just the direct children, which is not what I want. I only want the direct children. What is the correct syntax?

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