What an amazing and subtle artist!  Look for her many alchemical references, both explicit and structural.  These images are what you might call "kindling for the alchemical fire"... httpv://www.youtube.com/watch?v=sV_TPGDP0cY

I'm sure this is incomplete, but may give a brief overview and sense of alchemy.  Each item would, of course, deserve quite a bit of explication, and only the broadest aspects are indicated here.  Please feel free to comment on this post with ideas for additions and revisions! <Click for larger version! Or download here.>