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 Time contortion of its features. Holland is no holds barred without being aggressive, direct without being confrontational, straightforward without ever being staid. Each successive album only seems to further energize his band mates, and with Seeds of Time we know firsthand how he can do the same for his listeners. A must-hear for those who take their coffee with excitement." Seeds of Time Seeds of Time is a studio album by English bassist Dave Holland's Quintet recorded in 1984 and released on the ECM label. The Allmusic review by Scott Yanow awarded the album 4 stars, stating, "The all-star musicians pack