Question
I have noticed on my mother of thousands plant a brown slick somthing on the leaves and the stem of the plant.  What is this and how do I treat the plant? I have a couple of plants and they both have this same stuff on them.  Last year I did not notice ant of this on my plants.  Thanks for all you do to help us.

Answer
Do you have a picture?  For now ,if it's not too extensive, spray it with alcohol and water and if it improves repot it.  Definitely get them away from your other plants!  What kind of conditions are they in i.e. light, water, soil, etc.  That kind of info might help me more.  If the brown stuff is really extensive I'd cut it back, spray and repot.