Justicia linearis B.L. Rob. & Greenm.

PHENOLOGY.— Flowering: August; fruiting: unknown.

DISTRIBUTION.— Mexico (Dur., S.L.P., Tamps.).

HABITAT.— Desertscrub.

ELEVATION.— 1600 meters.

NOTES.— This Chihuahuan Desert species (Fig. 4D) is rare in Tamaulipas.

REPRESENTATIVE SPECIMEN.— Mpio. Tula, 25 km S de Tula, P. Hiriart et al. 166 (MEXU) .