CLASS II. ORDER I.
DIANDRIA MONOGYNIA. Two Chives. One Pointal.
GENERIC CHARACTER.
Calyx. Perianthium monophyllum, minimum, quinquepartitum, acutum, erectum, angustum.
Corolla monopetala, ringens; tubus gibbus; limbus bilabiatus, labium superius oblongum, emarginatum, labium inferius ejusdem longitudinis, reflexum, trifidum.
Stamina. Filamenta duo, subulata, sub labio superiore recondita. Antheræ erectæ, ad basin bifidæ.
Pistillum. Germen turbinatum. Stylus filiformis, longitudine et situ staminum. Stigma simplex.
Pericarpium. Capsula oblonga, obtusa, basi angustata, bilocularis, bivalvis; dissepimento valvulis contrario, ungue elastico dehiscens.
Semina subrotunda.
Empalement. Cup one-leaf, very small, five-divided, pointed, erect, narrow.