S. galericulata: stems slightly branched, ascending, 1/2-1 foot high; leaves ovate-lanceolate, slightly toothed; flowers nearly sessile, opposite, in axillary pairs along the greater part of the stem, and all turned to one side, the corolla dingy blue, with a very slender tube considerably enlarged at the throat. - Wet, shady, or stony places. Fl. July, August.