branches glabrous, twigs minutely downy; leaves opposite, oblong or elliptical-oblong, sub-acute, obtusely mucronulate, with sub-recurved, obsoletely glandular-crenulate margins, glabrous or the uppermost downy, minutely punctate underneath; peduncles axillary, one-flowered, solitary or in pairs, mostly shorter than the leaf; calyx-lobes lanceolate, obtuse; sterile fil. ciliate; style glabrous; capsule rough-glanded, with sub-acute horns half its length. A shrub having the habit of the preceding, with angular twigs. Leaves spreading, shining above, pale green beneath, 4–6 lines long, 2-lines wide, one-nerved; the nerve gland-bearing below the point. Petiole 1 line long. Petals reddish underneath. Capsule as in B. ovata, but the horns longer.—Very near B. ovata, from which it differs in the narrower, more oblong leaves, dotted below with smaller glands, calyx lobes twice as long, and petals scarcely twice as long as the calyx.