Dec, 1919] PotemoniacecB of Ohio 45 



3. Phlox ovata L. Mountain Phlox. Plant with slender 

 stem, glabrous or nearly so, ascending from a decumbent base, 

 1-2 feet high. Upper leaves ovate or ovate-lanceolate sessile by 

 a rounded or subcordate base, acute at the apex, 1-2 inches 

 long; lower leaves oblong or ovate-oblong, narrowed into 

 slender often margined petioles ; flowers short-pedicelled ; calyx 

 teeth lanceolate to triangular-lanceolate, acute or acuminate; 

 corolla pink or red, its lobes rounded entire. Fulton Go. May- 

 August. 



4. Phlox glaberrima L. Smooth Phlox. As lender, simple- 

 stemmed, erect or ascending plant, glabrous or only sHghtly 

 pubescent, 1-3 feet high. Leaves lanceolate to linear acuminate 

 at the apex, narrowed at the base, 1-4 inches long, sessile 

 or the lower ones short-petioled ; flowers short pedicelled; 

 calyx teeth subulate-lanceolate; corolla mostly reddish-pink, 

 its lobes obovate, rounded or obcordate, longer than the tube. 

 Butler Co. May-July. 



5. Phlox pilosa L. Downy Phlox. Downy often glandular 

 plant with slender, simple or branched, erect or ascending stem, 

 1-2 feet high. Leaves linear to lanceolate, long-acuminate, 1-4 

 inches long, sessile, the base narrowed and rounded; flowers 

 short-pedicelled; calyx teeth setaceous-sublate, longer than the 

 tube; corolla blue, pink, or white, its lobes ovate, entire, tube 

 usually pubescent. Northern part of state as far south as 

 Franklin County. April-June. 



6. Phlox divaricata L. Wild Blue Phlox. A viscid pubes- 

 cent plant with slender, ascending or diffuse stem, 1-3 feet 

 high, producing leafy shoots at the base. Leaves of the creeping 

 shoots oblong or ovate, those of the flowering stems ovate- 

 lanceolate CO lanceolate; flowers faintly fragrant; calyx teeth 

 subulate; corolla bluish to lilac, its lobes obcordate, emarginate 

 or entire, about as long as the tube. General and abundant. 

 April-June. 



7. Phlox stolonifera. Sims. Creeping Phlox. An hirsute or 

 pubescent plant with slender stem producing creeping, leafy 

 shoots at the base. Leaves of the creeping shoots obovate, 

 narrowed into petioles; flowering stems }/2 ft. to 1 ft. high; 

 leaves oblong to lanceolate; flowers slender-pedicelled ; calyx 

 teeth linear-subulate; corolla pink, purple, or violet, its lobes 

 rounded and mostly entire, about one-half the length of the 

 tube. Hocking Go. April-June. 



