372 POLEMONIACE.E. (POLEMONIUM FAMILY.) 



and rounded or somewhat heart-shaped hase ; panicle narrow, oblong, leafy below : 

 calyx-teeth triangular-lanceolate, short, scarcely pointed ; corolla purple (sometimes 

 white, when it is P. suaveolens, Ait.). Lower branches of the panicle rarely 

 elongated, so as to become pyramidal, when it is P. pyramidalis, Smith. — Rich 

 woods and river-banks, N. Penn. to Wisconsin, and southward. June. 



* * Stems ascending or upright, often from a decumbent base: flowers in terminal co- 



rymbed cymes: the whole plant smooth and glabrous : lobes of the corolla round and 

 entire : calyx-teeth short, triangular-lanceolate. 



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

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

 heart-shaped at the base, acute or pointed ; flowers crowded, short-peduncled ; 

 calyx-teeth acute. — Var. ovata, Benth., has broader leaves (P. ovata, L.), — 

 Var. nitida, Benth., has narrower leaves (P. nitida, Pursh), and verges to the 

 next. — Woods, W. Pennsylvania to Michigan, Virginia, and southward. June, 

 July. — Corolla 1 ' long ; the limb 1 ' broad, pink-purple. 



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

 lanceolate or rarely obiong-lano olate, very smooth (except the rough and sometimes 

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

 ered and loosely corymbed; flowers peduncied (pink or whitish); calyx-tteth 

 sharp-pointed. (P. carnea, Sims. P. revoluta, Aikin.) — Prairies and open woods, 

 Ohio and Wisconsin to Virginia and southward. July. 



* * * Stems ascending (or In No. 5 erect) from a spreading or prostrate base, more 



or less clammy-pubescent, as ivell as the calyx and the oblong, lanceolate, or linear 

 leaves: flowers in terminal corymbed cymes, mostly pedicelled: calyx deeply clef, 

 the teeth linear-awl-shaped or setaceous. 



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

 as are the lanceolate or linear leaves, 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. (P. aristata, Michx. P. aristata & pilosa in part, Benth. in 

 DC.) — Borders of thickets and prairies, New Jersey to Wisconsin and south- 

 ward. May, June. — Leaves l'-2^-' long, l"-3" wide. 



6. P. proeiimbeilS, Lehm. Stems ascending (^°-lj high) i mostly 

 simple ; leaves broadly linear, lanceolate or orate-ob/ong, abruptly acute or bluni 

 {¥ ~ H' l° n g> on sterile shoots often ovate) ; cyme mostly compact and sessile, leafy > 

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

 longer than the tube, straight ; lobes of the corolla obovate and entire (or rarely 

 notched), purple, pink, or sometimes white. (P. pilosa, Walt., Michx., Eli, 

 Benth. in part, not L. P. pilosa, var. ? Walteri, Ed. 2. P. Walteri, Chapman. 

 P. procumbens, Lehm. is a small form.) — Dry hills and barrens, Kentucky, 

 Virginia, and southward. May, June. 



7. P. reptans, Michx. Runners creeping, bearing roundish-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; calvx- 

 teeth linear-awl-shaped, about the length of the tube ; lobes of the reddish-purple 

 corolla round-obovate, mostly entire. — Damp woods, Pennsylvania, Kentucky, and 



