c# equivalent to a js line of code for threading?

Hi guys, I am translating texturescale.js from the Unity community Wiki (http://wiki.unity3d.com/index.php/TextureScale) to C# and I have arrived at the following line of code:

 Thread thread = useBilinear? new Thread(BilinearScale) : new Thread(PointScale);

However, I am getting that the best overloaded method match for 'System.Threading.Thread.Thread (System.Threading.ThreadStart)' has some invalid arguments (CS1502)

I am gathering that the intent is to add two new threads to thread, conditonnaly to useBilinear being true, but I am having trouble expressing it.

Any ideas?

Thanks,

-Jeff