Includes bibliographical references (p. 229-233) and index.
Contents
Key to the orders of ferns and fern-allies -- Key to the genera of ferns and fern-allies -- Descriptions and illustrations. Lycopodiaceae : Clubmoss Family -- Selaginellaceae : Spikemoss family -- Isoetaceae : Quillwort family -- Equisetaceae : Horsetail family -- Ophioglossaceae : Adder's-tongue family -- Hymenophyllaceae : Filmy fern family -- Osmundaceae : Royal fern family -- Polypodiaceae : True fern family -- Marsileaceae : Waterclover family -- Salviniaceae : Water fern family.
