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A handbook of cryptogamic botany. Cryptogams. leptophylla (Desv.) the prothallium is many-lobed, and the archegones and antherids are produced on separate conical tuber-hke outgrowths from its under side, which penetrate into
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A handbook of cryptogamic botany. Cryptogams. 66 VASCULAR CRYPTOGAMS. leptophylla (Desv.) the prothallium is many-lobed, and the archegones and antherids are produced on separate conical tuber-hke outgrowths from its under side,
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The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. Fig. 24.—Targionia bypophylla. A, Median longitudinal section of older embryo enclosed in the calyptra (cflO> X80; B, a
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The structure & development of the mosses and ferns (Archegoniatae) . B.. Fig. 202.—A, Young microsporangial sorus oi A. fiHcnloides, X 80 ; col, columella ; id, indusium ; B, nearly ripe
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