Nyctocalos
(from nyx, nyctos, night, and kalos, beautiful; referring to the flowers and time of opening of the first-discovered species). ORD. Bignoniaceae. A small genus (three species) of stove, scandent, tall shrubs, of which but one species is as yet introduced. The other two are natives of the Malayan Archipelago. Flowers few, on long peduncles; corolla tube very long, cylindrical; limb spreading, or two-lipped; lobes five, orbiculate. Leaves opposite, trifoliolate; leaflets entire, petiolulate. The species described below succeeds best when planted out in well-drained turfy loam and sand in the stove, and its long shoots trained near the glass in full light. N. Thomsoni (Thomson's). fl. white, expanding at night and dropping the next morning; peduncles pendulous, bearing terminal cymes; corolla with a long, narrow, ascending tube, 7in. long, and a broad, Gloxinia-like, oblique limb. l. trifoliolate. Assam, 1868. (B. M. 5678.)