1860. in Worcester citing Gray.
1870. Hooker, Stud. Flora, 167. Angelica… Leaves ternately 2-pinnate.
1897. A. Drucker, trans. Ihering’s Evol. Aryan, 120. According to their duodecimal system, the Babylonians must have calculated their time for work and rest ternately: three sets or relays of working periods, each of three hours.
