Guyana, Demerara-Mahaica Region, Georgetown, Silk Cotton or Kapok tree, Ceiba pentandra, in the Botanical Gardens. In the foreground are lotus plants.

Guyana, Demerara-Mahaica Region, Georgetown, Silk Cotton or Kapok tree, Ceiba pentandra, in the Botanical Gardens. A large agave plant is flowering at left.

Polypore Fungi, Polyporaceae, Polypore growing on the bark of trees in the ancient woodland at Piddington, Oxfordshire.

Close view of sawn tree trunk showing the saw's marks and woodworm holes in the bark as it decays. Stem of bramble starting to grow over it.

Orange mycena, Mycena leaiana growing out of an angled tree trunk with moss.

Orange mycena, Mycena leaiana growing out of an angled tree trunk with moss.

Orange mycena, Mycena leaiana growing out of an angled tree trunk with moss.

Eucalyptus, Tree trunk and leaves in mist.

Beech, Fagus sylvatica, Low angle view of a woodland of tall, slender trees with bare branches against blue sky, he trunk of one tree reaching up to the centre.

Beech, Fagus sylvatica, Underneath view of a woodland of tall, slender trees with bare branches against blue sky, The trunk of one tree reaching up to the centre.

Eucalyptus, Blue Gum, Eucalyptus globulus, Underneath view looking up the peeling bark on the white trunk of the tree.

Silk Floss tree, Ceiba speciosa, View from underneath looking up the trunk of tree showing large conical shaped thorns and branches above.