CLASS XII. ORDER I.

ICOSANDRIA MONOGYNIA. About 20 Chives. One Pointal.

ESSENTIAL GENERIC CHARACTER.

Calyx monophyllus, superus, imbricatus. Corolla multiplex. Bacca monolocularis, polysperma.

Empalement one-leafed, above, tiled. Blossom of many folds. Berry of one loculament, many-seeded.

SPECIFIC CHARACTER.

Cactus scandens vel repens, ramosus, articulatus, cum radiculis lateralibus: ramis sex-vel octagonis, aculeos stellatos ferentibus. Calyx radiatus, flavus: corollis albis. Flores magni, vesperè expansi, odorem fragrantissimum exhalantes.

Miller’s Icones, tab. 90.

Cereus with a climbing or creeping stem, branching, jointed, with small side-roots: branches six-or eight-angled, bearing starry prickles. Empalement rayed and yellow. Blossom white. Flowers large, expanding in the evening, and breathing a most fragrant odour.

REFERENCE TO THE PLATE.