free ebook on English herbals

I found this on Amazon--one of those public domain books they have reprinted. It's free, all you need is the Kindle app (you don't have to belong to Kindle Unlimited). I just started reading it--1922, but well researched. Interesting for the history of the herbals and the theories of medicine in them. It's probably available elsewhere on the web in other formats too, since it is public domain.