Corolla monopetala, campanulata; tubus minimus, longitudine calycis; faux longissima, subtus ventricosa; limbus quinque partitus; laciniis duabus superioribus reflexis; inferioribus patulis.
Stamina. Filamenta quatuor, subulata, corolla breviora, quorum duo reliquis longiora. Antheræ reflexæ, oblongæ, velut duplicatæ.
Pistillum. Germen oblongum. Stylus filiformis, situ et figura staminum. Stigma capitatum.
Pericarpium. Siliqua bilocularis, bivalvis.
Semina plurima, imbricata, compressa, utrinque membranaceo alata.
Empalement. Cup one leaf, upright, cup-shaped, and cut into five divisions.
Blossom of one bell-shaped petal; tube small, the length of the cup; mouth very long, swelled at the bottom; border of five divisions; the two upper segments reflexed, the lower ones spreading.
Chives. Threads four, awl-shaped, shorter than the blossom, two of which are longer than the others. Tips bent back, oblong, and appear doubled.
Pointal. Seed-bud oblong. Shaft thread-shaped, of the same situation and shape as the chives. Summit headed.
Seed-vessel. Pod of two cells, and two valves.