POLl•:MONIACE;^:. (i'OLKMoMlM lA.MILV.) 355 



» * Stems, at least the Jiowerintj ones, asccndimj or erect ; Jlowers in rnri/nihcd 

 or simple r.ijmes ; corolla4obes obocate or oltrordate. 



■*- Calt/x-teeth tri<iiifjular-suhulate ; corolla-lobes rounded , rnlire ; ghihrous or 



near I 11 so. 



.3. P. ovata, 1>. Stems ascending (^-2° lii^li), <>ft('ii from ;i i)rostrate 

 base ; leaves obluny-lanceolate, or the upper orale-lanceolute, and sometimes 

 heart-shaped at the base, acute or pointed ; flowers pink or rose-red, crowded, 

 short-peduncled ; c«/^.r-^'e//i sliort and l»road, «r«/e. (1*. Carolina, A.) — Open 

 woods, in the mountain region froin Tenn. to Ahi. June, July. 



4. P. glaberrima, L. -Stems slender, erect (l -3° high); /f«ws /mm/ - 

 lanceolate or rartl// uUonii-lanceolate, very smooth (except the rough and some- 

 times revolute margins), tapering gradually to a point {.'3-4' long); cymes 

 few-flowered and loosely corymbed ; flowers pedunded (pink or whitish); 

 cahjx-teeth narrower and very sharp-pointed. — I'rairies and open woods, N. 

 Vn. to Ohio and Minn., soutli to Fla. and Mo. July. 



•«- ■*- Calt/x-teeth long and slender ; more or less hairij or glandular-pubescent. 



*■*■ No runners or prostrate sterile shoots. 



5. P. pilosa, L. Stems slender, nearly erect (1 - H° Idgh), usually hairy, 

 as are tlic lanceolate or linear leaces (1 -4' long), which commonly taper to a 

 sharp point; cymes at length open ; cali/x-teeth slender aicl-shaped and aicn- 

 like, longer than the tube, loose or spreading ; lobes of the pink-purple or rose- 

 red (rarely white) corolla obovate, entire. — Dry or sandy woods, prairies, etc., 

 N. J. to Minn., south to Fla. and Tex. May, June. 



6. P. amdena, Sims, Stems ascending (i-li° high), mostly simple; 

 leaves broadly linear, lanceolate or ovate-oblong, abruptly acute or blunt (i- H' 

 long), on sterile shoots often ovate; c//?«e mostli/ compact and sessile, leaf if- 

 hracted ; cali/x-teeth awl-shaped or //Hear, sharp-pointed, but seldom awued, 

 rather longer than the tube, straight; lobes of the corolla obovate and entire 

 (or rarely notched), purple, pink, or sometimes white. (I*, procuujbens, fi'rai,' ; 

 not Lehni.) — Dry hills and l)arrens, Va. to Ky., south to Fla. 



•^ +-<- Sterile shoots from the Ixise creeping in- decumbent ; leaves rather broad. 



7. P. reptans, Michx. Bunners creeping, henrmfn; roundish-oltovate smooth- 

 tsli and thickish leaves; flowering stems (4-8' high) and their oblong or ovate 

 obtuse leaves (^' long) pubescent, often clammy; cyme close, few-flowered, 

 calyx-teeth linear-awhshaped, about the length of the tube; lobes of the red- 

 dish-purple corolla round-obovate, mostlji entire. — Damp woods, in the Alleghany 

 region, Penn. to Ky. and Ga. May, June. 



8. P. divaricata, !>• Stems spreading or ascending from a decumbent 

 l)ase (9 -18' higli) ; leaves oblong- or lance-ovate or the lower oblong-lanceolate 

 (H' long), acutish ; cyme corymbose-panicled, spreading, loosely-flowered; 

 calyx-teeth slender awl-shaped, longer than the tube; lobes of the pale lilac or 

 bluish corolla obcordate or ivedge-obovate and notched at the end, or ojlen entire, 

 ■J- 1' long, equalling or longer than the tube, with rather wide sinuses between 

 them. — Kocky damp woods, W. Canada and N. Y. to Minn., south to Fla. 

 and Ark. May. — A form occurs near Crawfordsville, Ind., with reduced flow- 

 ers, the narrow entire acuminate corolla-lobes scarcely half as long as the tube. 



