. Morphology of gymnosperms. Gymnosperms; Plant morphology. EVOLUTIONARY TENDENCIES AMONG GYMNOSPERMS 409 so far as the records are available, and are so connected by intergrad- ing (or rather anastomosing) forms that their relationship seems. 'lurian Orl mician Cambi <rian Fig. 461.—A more detailed diagrammatic presentation of tlie connections sug- gested in fig. 460.—Prepared by Sister Helen Angela. evident. The Cycadofilicales are so fernlike in every feature except their seeds, that their derivation from some ancient fern stock. Please note that these images are extracted from scanned p
. Morphology of gymnosperms. Gymnosperms; Plant morphology. EVOLUTIONARY TENDENCIES AMONG GYMNOSPERMS 409 so far as the records are available, and are so connected by intergrad- ing (or rather anastomosing) forms that their relationship seems. 'lurian Orl mician Cambi <rian Fig. 461.—A more detailed diagrammatic presentation of tlie connections sug- gested in fig. 460.—Prepared by Sister Helen Angela. evident. The Cycadofilicales are so fernlike in every feature except their seeds, that their derivation from some ancient fern stock. 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 Coulter, John Merle, 1851-1928; Chamberlain, Charles Joseph, b. 1863; Coulter, John Merle, 1851-1928. Morphology of spermatophytes. Part I. Gymnosperms. Chicago, University of Chicago Press
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