B, Asci (thecae) with bilocular spores.
Sometimes, however, only two cavities remain in the anther, by union of the sacs in each lobe, in which case the anther is said to be bilocular or dithecal.
Dissepi:ments extend to the centre or axis, the ovary is divided into cavities or cells, and it may be bilocular, trilocular (fig.
Thus in Campanula a five-cleft stigma indicates five carpels; in Bignoniaceae, Scrophulariaceae and Acanthaceae, the two-lobed or bilamellar stigma indicates a bilocular ovary.
Each fertile pinnule bore six, or rarely seven fusiform microsporangia, described as bilocular: not improbably each may represent a synangium.