(Greek dis, twice and stiktos, dotted; meaning obscure). Bignoniaceae. Five or 6 species in Cent, and S. Amer., very similar in flower to Pithecocten-ium, but caps, smooth, oblong, curved, and branchlets not angular: leaves 2- or 3-foliolate, with simple or 3-fid. tendril: flowers large in ample terminal panicles; calyx tubular-campanulate, truncate, often splitting; coro 11a funnelform-campanulate, leathery, curved; stamens inclosed; ovary with the seeds in many rows. Adapted for cult, in subtropical regions only; treatment and prop, like Bignonia, which see. The following species is cult, in S. Calif. D. cinerea, Greenm. (Pithecocte-nium cinereum, DC). Tall climber, grayish tomentose throughout: tendrils 3-fid.: leaflets 2-3, ovate or oval, obtuse and mucronulate or acutish, entire, 1-2 in. long: corolla purple, tomentulose outside, 2-3 1/2 in. long and 1 1/2-2 1/2in. across at the mouth. Mex. - The plant cult, under this name in Calif, is said to have white flowers and may not be the plant described above.

Alfred Rehder.