... (hence the name of the plant) suchas conjunctivitis. According to the medieval Doctrine ofSignatures, the flower resembled a diseased eye and there-fore the plant would be suitable for the treatment ... for the interested reader. The sources of illustrations in this book are recordedelsewhere, but in addition, paintings of many of the foodplants referred to are found in The new Oxford book ... relevant literature, in the form ofbooks, research papers, the Internet, magazines, andothers, is very great. In this work, a list of references forfurther reading is given; these will provide...