Anatomy of Plants page 210 table 80.) Malpighi, in 1675,* gives the same account of the early state of the Ovulum; his secundinae externae being the testa, and his chorion the nucleus.

He has not, however, distinguished, though he appears to have seen, the foramen of Grew, from the fenestra and fenestella, and these, to which he assigns the same functions, are merely his terms for the hilum.
(*Footnote.

Anatome Plant.

page 75 et 80.) In 1694, Camerarius, in his admirable essay on the sexes of plants,* proposes, as queries merely, various modes in which either the entire grains of pollen, or their particles after bursting, may be supposed to reach and act upon the unimpregnated Ovula, which he had himself carefully observed.

With his usual candour, however, he acknowledges his obligation on this subject to Malpighi, to whose more detailed account of them he refers.
(*Footnote.