Powdered tea was slowly forgotten in LOCATION@1 , but in LOCATION@2 it continued to be an important item at Zen monasteries , and became highly appreciated by others in the upper echelons of society during the 14th through 16th centuries .

Powdered tea was slowly forgotten in LOCATION@1 , but the 16th century tea master Sen no PERSON@1 made the rules of the MISC@1 tea ceremony .
