. A manual of botany. Botany. 350 MANUAL OF BOTANY of bast. This is seen in most Ferns {fig. 733). Sotaetimes an apparently concentric bundle is formed by the fusion of a number of wood bundles to form a single mass, which is surromided by a ring of bast, itself the result of a fusion of separate bundles. Such a bundle is termed gamodcsniic : it may be Via. Fhj. 736. Section of stele of root. After Kny. tin, Budodermis. pe. Peri- cycle. X. Xylem bundles, the protoxyiem, x^, abutting on tlie pericycle. pfi. Phloem bundles alternating with the bundles of xylem. p. Pith, or conjunctive tits
. A manual of botany. Botany. 350 MANUAL OF BOTANY of bast. This is seen in most Ferns {fig. 733). Sotaetimes an apparently concentric bundle is formed by the fusion of a number of wood bundles to form a single mass, which is surromided by a ring of bast, itself the result of a fusion of separate bundles. Such a bundle is termed gamodcsniic : it may be Via. Fhj. 736. Section of stele of root. After Kny. tin, Budodermis. pe. Peri- cycle. X. Xylem bundles, the protoxyiem, x^, abutting on tlie pericycle. pfi. Phloem bundles alternating with the bundles of xylem. p. Pith, or conjunctive titsue of the stele. seen in many Selaginellas and Ferns (fig. 734). It is better regarded as a stele. In the other variety we find the bast central, and the wood surrounding it. , It occurs in a few Monocotyledons (fig. 735). Concentric bvmdles never contain any cambium. The wood and bast bundles of the stele of the root are not conjoint but separate. They are said to be radially arranged as. 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 Green, J. Reynolds (Joseph Reynolds), 1848-1914. London, J. & A. Churchill
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