Five Weeks in a Balloon by Jules Verne

The celestial bottle -- The fig-palms -- The mammoth trees -- The tree of war -- The winged team -- Two native tribes in battle -- A massacre -- An intervention from above.

The wind had become violent and irregular; the balloon was running the gauntlet through the air. Tossed at one moment toward the north, at another toward the south, it could not find one steady current.