DCHP-1 Online
high Hyson [cf. Hyson a coarse green Chinese tea < Cantonese hei-ch'un bright spring] Obs. 
a beverage made from steeped hemlock needles and twigs.
See also: hemlock tea
- 1910 It [Labrador tea] is said to be palatable as a tea and was used for that purpose by pioneers, just as the early settlers in Ontario used "High Hyson," which was only a well-sounding name for hemlock needles.
- 1910 It [Labrador tea] is said to be palatable as a tea and was used for that purpose by pioneers, just as the early settlers in Ontario used "High Hyson," which was only a well-sounding name for hemlock needles.