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
Seeds of Arkham the fan film was built by Mark Towle and Kory Geick of Gotham Garage. The car was featured in a drag race with Gotham Garage's 1966 Batmobile replica on the web series "Super Power Beat Down". Second unit photographer Joey Rassool went on to portray The Scarecrow in the 2012 fan film "". The ending theme is "Scarlett Scorpio", which was written and produced by Sean Schoenke and performed by Madelynn Rae. Seeds of Arkham Seeds of Arkham, also known as Batman: Seeds of Arkham, is a 2011 superhero fan film produced by Aaron and Sean Schoenke, based on the