Word Study
melampyrin
CIDE DICTIONARY
melampyrin, n. [NL. Melampyrum cowwheat; Gr. me`las black + pyro`s wheat.].
The saccharine substance dulcite; -- so called because found in the leaves of cowwheat (Melampyrum ). See Dulcite. [1913 Webster]
For further exploring for "melampyrin" in Webster Dictionary Online