This has become one of the books I use very often, it provides detailed accounts (140 pages) of the dyes made from plants (and lichen) that grow (or can be grown) in North America. It also has basic recipes for different types of dyestuff.As always, one has to keep in mind that not everything that works for fabrics, works the same way, or at all for eggs, so we try things out and see.
Unfortunately, the paperback edition I bought, while it has an expanded section on lichen, does not include the color plates from the older hardcover edition, so I’m adding them here:Another thing you might find useful, is the list of plants sorted by color in one of the appendixes:And here is what a typical description of the dye looks like: