the erect stem and the branches glabrous; twigs thinly downy; leaves very dense, erecto-imbricate, oblong, obtuse at each end, thickened at the margin, glabrous, one-nerved beneath, impunctate; flowers capitate, glutinous; bracteoles lanceolate, obtuse; calyx glabrous, its lobes ovate-oblong, obtuse, sub-carinate, erect, ciliolate; petals sub-orbicular, sub-retuse, thrice as long as the calyx; capsule twice as long as the calyx. A foot or more high. Stem thick, scarred. Twigs leafy. Leaves two lines long, one line wide, shortly petiolate, underneath with a green, percurrent nerve, but not apiculate. Flowers 3–4 in a head, involucrate by the uppermost leaves. Bracts 2 lines long, leafy, keeled. Calyx 2 1/2 lines long. Limb of the petals 3 lines long, white above. Anthers oval, with a minute recurved gland. Capsule 3 lines long, obtuse.—Resembling A. biseriata in habit, but easily distinguished by its capitate, gummy flowers.