. The Eusporangiatae; the comparative morphology of the Ophioglossaceae and Marattiaceae. Ophioglossaceae; Marattiaceae. u ma: iL- 23 22 il r :KX *â â â f.*-/N W0 27. W" « Jl â â - /- 31 32 ®. 34 '^ ?:«; ^ .â ,^ :ili' \\<^ 35 :^- A&J. â hi- 38 39 bt 36 ''f^. tKa. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Campbell, Douglas Houghton, 1859-1953. Washington, D. C. , Carnegie Institution of Washington

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