exintine

exintine

(ɛkˈsɪntɪn, -taɪn)

[f. L. ex- (see ex- prefix¹) + int-us within + -ine¹.]

‘The membrane of the pollen grain which lies between the Extine and the Intine’ (Syd. Soc. Lex. 1884).

in Brande (Supplement). in Treas. Bot.