Bifid, two-cleft to about the middle.
Bifoliolate, a compound leaf of two leaflets, [59].
Bifurcate, twice forked; or more commonly, forked into two branches.
Bijugate, bearing two pairs (of leaflets, &c.).
Bilabiate, two-lipped, as the corolla of Labiatæ.
Bilamellate, of two plates (lamellæ), as the stigma of Mimulus.
Bilobed, the same as two-lobed.
Bilocellate, when a cell is divided into two locelli.
Bilocular, two-celled; as most anthers, the pod of Foxglove, &c.
Binary, in twos.