. Carnegie Institution of Washington publication. . Fig. 113.—Young embryos of Kaulfussia. X275. V Longitudinal section. R. Three cross-sections of a similar embryo, b b, basal wall; 11, quadrant wall. were too young to make clear the relation of the cotyledon and primary root to the stem. Three nearly transverse sections of an embryo of about the same age are shown in fig. 113, B. To judge from the structure of the older sporophyte at the time when it first emerges from the prothallium, Kaulfussia agrees in the main with Marattia and Angiopteris in the origin of the young organs of the sporop

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. Carnegie Institution of Washington publication. . Fig. 113.—Young embryos of Kaulfussia. X275. V Longitudinal section. R. Three cross-sections of a similar embryo, b b, basal wall; 11, quadrant wall. were too young to make clear the relation of the cotyledon and primary root to the stem. Three nearly transverse sections of an embryo of about the same age are shown in fig. 113, B. To judge from the structure of the older sporophyte at the time when it first emerges from the prothallium, Kaulfussia agrees in the main with Marattia and Angiopteris in the origin of the young organs of the 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington

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Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1910, bookyear1911