13. Ammian. xx. 5, with the note of Lindenbrogius on the
Genius of the empire. Julian himself, in a confidential
letter to his friend and physician Oribasius (Epist. xvii.
p. 384), mentions another dream, to which, before the event,
he gave credit; of a stately tree thrown to the ground, of a
small plant striking a deep root into the earth. Even in his
sleep the mind of the Caesar must have been agitated by the
hopes and fears of his fortune. Zosimus (1. iii. [c. 9] p.
155) relates a subsequent dream.