Stamina. Filamenta quatuor, brevissima, in singulo petala singula, vel nulla. Antheræ oblongæ, intra cavitatem petali sitæ, majusculæ.
Pistillum. Germen lineare, adscendens, inflexum. Stylus nullus. Stigma subrotundum, antice planum, postice concavum, magnum.
Pericarpium. Folliculus teres, unilocularis.
Semina quatuor seu quinque, ovata, compressa, margine altero membrana alata.
Empalement none.
Blossom. Four petals, linear, oblique; broad ended, roundish, concave, and supporting the chive; after the bursting of the tips they are rolled back.
Chives. Four threads, very short, one in each petal, or none. Tips oblong, placed in the hollow end of the petal, larger.
Pointal. Seed-bud linear, ascending, and bent. Shaft none. Summit nearly round, the forepart flat, the hinder concave, large.
Seed-vessel. A cylindrical pod of one cell.
Seeds four or five, egg-shaped, flattened, having a skinny wing at one edge.