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Spores. Ferns. Microscopic Illusions Analyzed. vol. 1, Varied Plant Groups Introduce True Ferns Through Spore Tetrad Structures. Clara S. Hires. Mistaire Laboratories, Millburn, N. J., 1965. xxiv + 548 pp. Illus. $22.50

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Science  15 Oct 1965:
Vol. 150, Issue 3694, pp. 336
DOI: 10.1126/science.150.3694.336-a
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