Natural Dyes - Bug gunk and wood chips

From left to right: natural gray alpaca over-dyed with lac/alum, wool dyed with lac/alum, wool dyed with logwood/alum then dipped in ammonia bath, wool dyed with logwood/alum.

Lac is a dye made from secretions of the Lac insect. It's an imported product and I got it here:  http://www.maiwa.com/home/supply/natural_dyes/lac/index.html

Also an imported product, logwood generally comes from Mexico or South America or India. I had little bits of left-over logwood and lac so I dyed a few skeins of hand spun yarn that I had sitting around.