Epacris (epakris)

[NL., so called in allusion to the terminal spikes of the flowers (cf. Gr. ἐπάκριος, on the heights), by, heath-like species, mostly Aus tralian. From the abundance and beauty of their flowers, which are generally in leafy spikes, several species have been favorites in cultivation. epact (ē'pakt), n. [O OF. epacte, epacte, F. Sp. Pg. = épacte It. epact a, epact a, always in pl. epactæ, on January in the old style. - Menstrual epact, the exce of a civil calendar month over a synodical month, or the amount by which the moon is older at the end than at the beginning of the calendar month.