Note 23 — Chapter I · THE FABLE AND ITS INTERPRETATION.
Reading edition
See ‘European Ferns,’ by James Britten, F.L.S.; with coloured illustrations from Nature, by Dr. Blair, F.L.S. Cassell. London.—A work full of information on the culture, classification, and history of ferns. I am indebted to it for many of the details here given of the economic value of ferns.