Describe the subterranean forests in Journey to the Centre of the Earth.

The
mushroom forest in the subterranean regions has a very strange aspect. At first Axel takes the
mushrooms for tall and peculiarly motionless, colourless trees. Here, however, the forests
contain not trees, as on the surface of the earth, but various growths that on earth normally
remain small and underfoot. Due to the...