. Embryogenesis in plants. Embryology. EMBRYOGENESIS IN THE PSILOTALES AND EQUISETALES 87 the young sporophyte is initially leafless, but as it enlarges small scale-like leaves begin to appear and normal leaves are subsequently formed. There is thus an ontogenetic delay in the formation of the first leaves, this possibly affording an example of what Haldane (1932) has described as neoteny or paedogenesis. Because of their similarity. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these il
. Embryogenesis in plants. Embryology. EMBRYOGENESIS IN THE PSILOTALES AND EQUISETALES 87 the young sporophyte is initially leafless, but as it enlarges small scale-like leaves begin to appear and normal leaves are subsequently formed. There is thus an ontogenetic delay in the formation of the first leaves, this possibly affording an example of what Haldane (1932) has described as neoteny or paedogenesis. Because of their similarity. 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 Wardlaw, C. W. (Claude Wilson), 1901-. London, Methuen; New York, Wiley
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Keywords: ., bookcentury1900, bookcollectionbiodiversi, booksubjectembryology
