POLEMONIACE^E. (POLEMONIUM FAMILY.) 355 



* # Stems, at least the flowering ones, ascending or erect ; flowers in corymbed 

 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 oblong-lanceolate, or the upper ovate-lanceolate, and sometimes 

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

 short-ped uncled ; calyx-teeth short and broad, acute. (P. Carolina, L.) Open 

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



4. P. glab6rrima, L. Stems slender, erect (1 - 3 high) ; leaves linear- 

 lanceolate or rarely oblong -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 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. 



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

 M- No runners or prostrate sterile shoots. 



5. P. pi!6sa, 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. amdena, Sims. Stems ascending (i~H high), mostly simple; 

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

 long), on sterile shoots often ovate; cyme mostly compact and sessile, leafy- 

 bracted ; calyx-teeth awl-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. 



++ ** Sterile shoots from the base creeping or decumbent; leaves rather broad. 



7. P. reptans, Michx. Runners creeping, bearing round ish-obovate smooth- 

 Ish 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-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 lance-ovate or the lower oblong-lanceolate 

 (iy 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 wedge-obovate and notched at the end, or often entire, 

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

 them. Hocky 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 tuba. 



