. A manual of the North American gymnosperms [microform] : exclusive of the cycadales but together with certain exotic species. Bois; Trees; Gymnosperms; Gymnospermes; Arbres; Wood. Pl.\te 29. PonocARPUs MACROPHYLLA. Tangential section showing the struc- ture and very resinous character of the medullary rays, in the region hetween the spring and summer »c;ds. x Plate jo. Taxodium distichum. Transverse section showing a double zone of summer wood a:id the distribution of resin cells in tangential rows, x Please note that these images are extracted from scanned page images that may h
. A manual of the North American gymnosperms [microform] : exclusive of the cycadales but together with certain exotic species. Bois; Trees; Gymnosperms; Gymnospermes; Arbres; Wood. Pl.\te 29. PonocARPUs MACROPHYLLA. Tangential section showing the struc- ture and very resinous character of the medullary rays, in the region hetween the spring and summer »c;ds. x Plate jo. Taxodium distichum. Transverse section showing a double zone of summer wood a:id the distribution of resin cells in tangential rows, x 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 Penhallow, D. P. (David Pearce), 1854-1910. Boston : Ginn & Co.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherbostonginnco, books
