. The Eusporangiatae; the comparative morphology of the Ophioglossaceae and Marattiaceae. Ophioglossaceae; Marattiaceae. Fig. 148. A, Bj C. Three sections of a sporophyte of Damea jamaicensis with three leaves D. Median section of the second leaf. In C is shown the second root, r^. X20. insertion of the first and second leaves. By this time tracheary tissue has developed in the bundle from the second leaf, and now for the first time we note the presence of large tannin cells in the neighborhood of the vascular bundles. Three of these are shown in fig. 149, lying next the bundle of the second l


. The Eusporangiatae; the comparative morphology of the Ophioglossaceae and Marattiaceae. Ophioglossaceae; Marattiaceae. Fig. 148. A, Bj C. Three sections of a sporophyte of Damea jamaicensis with three leaves D. Median section of the second leaf. In C is shown the second root, r^. X20. insertion of the first and second leaves. By this time tracheary tissue has developed in the bundle from the second leaf, and now for the first time we note the presence of large tannin cells in the neighborhood of the vascular bundles. Three of these are shown in fig. 149, lying next the bundle of the second leaf. The irregular ring. 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 Campbell, Douglas Houghton, 1859-1953. Washington, D. C. , Carnegie Institution of Washington


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Keywords: ., bookauthorcampbelldouglashought, bookcentury1900, bookdecade1910