(a berry and Thrinax, in reference to the berry-like fruit). Palmaceae. Small or medium-sized palms, with fan-leaves.

Trees (or rarely stemless) with slender stems, clothed above with the persistent petiole-sheaths,: leaves terminal, pale beneath, thin and brittle, divided into narrow, acute, 2-parted obliquely folded lobes; petioles compressed, slightly rounded and ridged on the 2 surfaces, thin and smooth on the margins: spadix interfoliar, paniculate, shorter than the petioles: flowers perfect, minute, solitary; perianth cup-like, obscurely 6-lobed, deciduous; stamens 9, exserted; ovary superior, ovoid, 1-celled: fruit berry-like, subglobose, 1-seeded, in ripening becoming thick and juicy, shining black or purple-black; albumen channeled. - A genus of a few species, made from Thrinax; Fla. and S.

Garberi, Sarg. (Thrinax Garberi, Chapm. T. argentea variety Garberi, Chapm.). Silver-Palm. Stemless: leaves only 10-12 in. across, fan-shaped, silvery beneath. An attractive dwarf palm, early showing its characteristic form, native on shore of Biscayne Bay, Fla.; perhaps a depauperate form of C. jucunda, Sarg. (Thrinax argentea, Chapm., not Roem. & Sch.), which has leaves 20-32 in. across; it bears the flowers on rigid spreading short pedicels, the perianth is white, anthers light yellow, and ovary orange: fruit 3/4in. or less diam., becoming succulent and bright violet and later almost black and shining, ripening 6 months after the flowering: petiole slender, flexible, rounded on upper side and obscurely ribbed on lower side, extending as a thin undulate rachis that ends in a short obtuse point.

L. H. B