Herbs with regular pentamerous and pentandrous flowers, but a 3-celled ovary and 3-lobed style. Lobes of the corolla convolute in the bud. Calyx persistent.
1. Phlox. Corolla salver-form. Leaves opposite, entire.
2. Gil'ia. Corolla tubular-funnel-form or salver-shaped, very slender.
Leaves alternate, entire.
L. Phlox. 1. P. divaricata, L. Corolla salver-shaped, with a long tube. Stamens short, unequally inserted. Stem ascending convolvulaceae. 173 from a prostrate base, somewhat clammy. Leaves oblong-ovate. Flowers lilac or bluish, in a spreading loosely-flowered cyme. Lobes of the corolla mostly obcordate. - Moist rocky woods.
2. P. pilo'sa, L. Leaves lanceolate or linear, tapering to a sharp point. Lobes of the pink-purple corolla obovate, entire. - Southwestern Ontario.
3. P. subulata, L., the Moss Pink of the gardens, has escaped from cultivation in some places. Stem creeping and tufted in broad mats. Flowers mostly rose-colour. - Dry grounds.
4. P. Hood'ii, Richards, of the North-West, forms broad, dense mats or tufts, 2-4 inches high. Leaves awl-shaped.
Ruiz and Pav. G. linea'ris, Gray. (Collo'mia linea'ris, Nutt.) A branching herb with alternate, linear-lanceolate or oblong, sessile and entire leaves. Corolla salver-form, with stamens unequally inserted in its narrow tube, lilac-purple to nearly white. Ovules solitary. Found on the sands at the mouth of Eel River, Restigouche Co., N.B.