ferns (Filicales)
Subtitle: treated comparatively with a view to their natural classification.
Edition: Reprint ed.
Series: Cambridge botanical handbooks
Publisher: Today & Tomorrow's Book Agency
Published: 1963
Place of publication: New Delhi
Language: eng
Subjects: Ferns
Notes: Includes bibliography.
Table of contents: value: v. 1. Analytical examination of the criteria of comparison.  v. 2. The Eusporangiatae and other relatively primitive ferns.  v. 3. The leptosporangiate ferns.