. Memoirs and proceedings of the Manchester Literary & Philosophical Society. d 3 m. //. //. L. Photo. 52 LANG, Stele of the Shoot of Isoetes Incus iris. PLATE II. Photo 4. Longitudinal section through the apical region ofanother plant, showing the relation between the pro-cambial regions and the differentiated stele. ( x 130.) Photo 5. Transverse section through the stele of a plant with awell-marked secondary zone. ( x 67.) Photo 6. Transverse section of the stele of the same plantshowing the primary differentiation complete, but nosecondary growth. ( x 130.) Photo 7. Transverse section from
. Memoirs and proceedings of the Manchester Literary & Philosophical Society. d 3 m. //. //. L. Photo. 52 LANG, Stele of the Shoot of Isoetes Incus iris. PLATE II. Photo 4. Longitudinal section through the apical region ofanother plant, showing the relation between the pro-cambial regions and the differentiated stele. ( x 130.) Photo 5. Transverse section through the stele of a plant with awell-marked secondary zone. ( x 67.) Photo 6. Transverse section of the stele of the same plantshowing the primary differentiation complete, but nosecondary growth. ( x 130.) Photo 7. Transverse section from the same plant showing thedifferentiation of the stele almost complete. ( x 130 ) Photo 8. Transverse section from the same plant still nearer tothe apex, showing the stele just delimited but still un-differentiated. A central and a peripheral region canbe distinguished in the still meristematic tissue. Theonly lignified elements are the protoxylem of a leaf-trace (t>x) in the peripheral region. ( x 130.) Manchester Memoirs, Vol. LIX. {No. 8). PL II
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1888
