I have no idea about the catalog. The plant has to be around somewhere though - I can't imagine it being dead and gone.
I'm not sure about the conversion. If I had to guess, Bill Waldrop might try if you ask him and send him fans. Which reminds me I need to email him about one of his conversions.
Colchicine isn't that dangerous - it's used as treatment for gout. Adding DMSO make it more able to penetrate the skin which is where the real worry comes in.
