Source : Webster's Revised Unabridged Dictionary (1913)

Yaupon \Yau"pon\, n. (Bot.)
   A shrub ({Ilex Cassine}) of the Holly family, native from
   Virginia to Florida. The smooth elliptical leaves are used as
   a substitute for tea, and were formerly used in preparing the
   black drink of the Indians of North Carolina. Called also
   {South-Sea tea}. [Written also {yapon}, {youpon}, and
   {yupon}.]

South \South\, a.
   Lying toward the south; situated at the south, or in a
   southern direction from the point of observation or
   reckoning; proceeding toward the south, or coming from the
   south; blowing from the south; southern; as, the south pole.
   ``At the south entry.'' --Shak.

   {South-Sea tea} (Bot.) See {Yaupon}.