Some succulents have translucent leaves to allow sunlight to penetrate deep inside their tissues.The glass-like Haworthia cooperi ‘Dodson’ has taken this phenomenon to the extreme.
“Each entry in the manual lists the plant’s or animal’s “name in various languages; descriptions of ailments it can be used to treat; and instructions for finding and preparing it.” And while it’s debatable as to how practical the guide really was—it includes plants like cumin that would not have been available in England—it’s a curious work of art in its own right.