POLEMONIACE^:. (POLEMONIUM FAMILY.) 355 



* * Stems, at least the flowerinrj ones, ascending or erect ; flowers in corijmhed 

 or simple cymes ; corolla-lobes obovate or obcordate. 



•*- Calyx-teeth triangular-subulate; corolla-lobes rounded, entire; glabrous or 



nearly so. 



3. P. ovata, L. Stems ascending (^-2° high), often from a prostrate 

 base ; leaves olJong-lanceolate, or the upper ovate-lanceolate, and sometimes 

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

 short-peduncled ; calyx-teeth short and broad, acute. {V. Carolina, L.) — Open 

 woods, in the mountain region from Penn. to Ala. Juue, July. 



4. P. glaberrima, L. Stems slender, erect (I -3° high); leaves linear- 

 lanceolate or rarely oblong-lanceolate, very smooth (except tlie rough and some- 

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

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

 calyx-teeth narrower and very sharp-pointed. — Prairies and open woods, N. 

 Va. to Ohio and Minn., south to Fla. and Mo. July. 



s- H- Calyx-teeth long and slender ; more or less hairy or glandular-pubescent. 



++ No runners or prostrate sterile shoots. 



5. P. pil6sa, L. Stems slender, nearly erect (1-1^° high), usually hairy, 

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

 sharp point; cymes at length open ; calyx-teeth slender awl-shaped and awn- 

 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. amOBna, Sims. Stems ascending (i- H° high), mostly simple; 

 leaves broadly linear, lanceolate or ovate-oblong, abruptly acute or l)lunt (i- H' 

 long), on sterile shoots often ovate; cyme mostly cov^pact and sessile, leafy- 

 bracted ; calyx-teeth aicl-shaped or linear, sharp-pointed, but seldom awned, 

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

 (or rarely notched), purple, pink, or sometimes white. (P. procumbens. Gray ; 

 not Lehm.) — Dry hills and barrens, Va. to Ky., south to Fla. 



•t-t- ++ Sterile shoots from the base creeping or decumbent ; leaves rather broad. 



7. P. reptans, Michx. Runners creeping ,he?irmground ish-obovate ^raooth.- 

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

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

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

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

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



8. P. divaricata, L. Stems spreading or ascending from a decumbent 

 base (9-18' high) ; leaves oblong- or lanre-ovate or the lower oblong-lanceolate 

 {\\' 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-obovafe and notched at the end, or often entire, 

 \ - g' long, equalling or longer than the tube, with rather wide sinuses between 

 them. — Pocky 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 )iarrow entire aeuniinate corolla-lobes scarcely half as long as the tub^. 



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