Evolutionary history of plants foliage consisted of fern-like fronds, although they were not closely related to ferns. The oldest fossil evidence of seed plants is of Late Devonian age, and they appear to have evolved out of an earlier group known as the progymnosperms. These early seed plants ranged from trees to small, rambling shrubs; like most early progymnosperms, they were woody plants with fern-like foliage. They all bore ovules, but no cones, fruit or similar. While it is difficult to track the early evolution of seeds, the lineage of the seed ferns may be traced from the simple trimerophytes through homosporous Aneurophytes. This
The Secret Life of Plants The Secret Life of Plants The Secret Life of Plants (1973) is a book by Peter Tompkins and Christopher Bird. The book documents controversial experiments that claim to reveal unusual phenomena regarding plants such as plant sentience, discovered through experimentation. It goes on to discuss philosophies and progressive farming methods based on these findings. The book was heavily criticized by scientists for promoting pseudoscientific claims. Christopher Bird was a best-selling author who also wrote "The Divining Hand: The 500-Year-Old Mystery of Dowsing". Peter Tompkins worked as a journalist, as well as a US military intelligence officer for the OSS in