SECUNDINE • E-FREE TRANSLATION.COM • Definition of Secundine

... firmly; these hairs, however, are absent from the upper half of the seed, whose thin brittle vascular primine is shining, smooth, and marked with a brown nipple, the remains of the foramen. Within the primine lies the bony crustaceous secundine, which is quite loose, and seems as if it were independent of the primine. Eventually the end of the thin brittle primine breaks like an eggshell and the secundine falls out. The seeds themselves, remaining attached to each other and to ...

— Journal of an Expedition into the Interior of Tropical Australia • Thomas Mitchell