FTP, with the  use of bowls and green leaves still being standard, name this Japanese ritual.
Its present dominant form is the Urasenke branch and it partially originated with a betting game known as "To-cha".  Oribe was considered its greatest craftsman and it is based on the ideal of "Wabi-Cha".  Hundreds of poems concerning it were written by Master Sen Rikyu, who also created the first house dedicated to it.  Formalized by Murata Shoku, it adapted to Christianity although it was initially affiliated with Zen Buddhism.  FTP, with the  use of bowls and green leaves still being standard, name this Japanese ritual.
Its present dominant form is the Urasenke branch and it partially originated with a betting game known as "To-cha".  
Tea Ceremony or Cha-no-yu or Sado