Final answer:
The speaker, described as a 'child crowned with a tree in his hand,' is a symbolically rich figure possibly representing innocence, authority, and a connection to nature or prophecy.
Step-by-step explanation:
The speaker, as described as the third apparition 'child crowned with a tree in his hand,' is a symbolic and enigmatic figure in literature. The child crowned suggests a mix of innocence and regal authority; the tree could imply growth or a connection to nature. Without additional context, it's challenging to determine the exact origin or the work from which this character is drawn. However, the imagery evokes a significant prophetic presence, perhaps foretelling change or imparting wisdom, a common theme in literature involving apparitions or otherworldly messengers.