Evolutionary history of plants phloem on the outside. Since xylem cells comprise dead, lignified tissue, subsequent rings of xylem are added to those already present, forming wood. The first plants to develop secondary growth and a woody habit, were apparently the ferns, and as early as the Middle Devonian one species, "Wattieza", had already reached heights of 8 m and a tree-like habit. Other clades did not take long to develop a tree-like stature. The Late Devonian "Archaeopteris", a precursor to gymnosperms which evolved from the trimerophytes, reached 30 m in height. The progymnosperms were the first plants to develop true wood, grown from
Division of Nicholls with New South Wales and includes the towns of Shepparton, Yarrawonga, Seymour and Broadford. The seat is notionally held by the National Party on a margin of 22.3%, making it a very safe seat for the party. Division of Nicholls The Division of Nicholls is an Australian Electoral Division in the state of Victoria, which will be contested for the first time at the 2019 federal election. The division is named in honour of Douglas and Gladys Nicholls, in recognition of their contributions to the advocacy of Aboriginal rights. The Division of Nicholls was created in 2018 after the Australian