568 ORDER 92. POLEMONIACE^E. 



/?. ACTJMINATA. Lvs. ovate-acuminate, pubescent beneath as well as the stem ; 

 panicle with fewer flowers. In rich alluvion. (P. acuminate Ph.) 



2 P. maculata L. St. erect, scabrous or nearly smooth, purple-spotted ; lower 

 Ivs. lanceolate, the highest ovate, cordate at base, all subcoriaceous, roughish or 

 smooth ; panicle oblong or subpyramidal ; col. teeth lanceolate, acute, about half as 

 long as its tube; pet. orbicular. U Moist fields, Penn. to Car. and Western 

 States. Stem 2 3f high, mostly punctate, with purple spots. Lower branches 

 of the panicle shorter than the leaves, or often elongated. Corolla tube more or 

 less curved, smooth. Petals obtuse* or retuse, purple, varying in gardens from 

 white to crimson. Jn. f (P. pyramidalis Sm.) 



p. GRACILIOR. Tall, slender, scabrous ; Ivs. linear and lance-linear. Ga. (Feay). 

 y. SUAV&OLENS. Smooth; fls. white, sweet-scented. Gardens. (P. suaveo- 

 leiis Ait.) 



3 P. Carolina L. Glabrous ; si. dedinate at base, ascending, often branched ; Ivs. 

 lanceolate from an ovate (rarely cordate) base, acuminate or gradually acute pani- 

 cle corymbous, of dense, few- flowered cymes ; cal. teeth lanceolate, acuminate. 

 Woods, prairies, Mich, to Ga. St. often procumbent at base, thickish, smooth, 9' 

 to 2f high. Lvs. 2 to 4' long, variable in form. Corymb simple or often com- 

 pound and rather diffuse. Sep. united twp-tbirds their length, the points soft, 

 spreading. Cor. tube 1', lobes rose purple, roundish, spreading 1'. May JL f 



/3. OVATA. St. roughish or puberulent ; Ivs. broad (!'); corymb loose. South. 



(P. ovata Ph.) 

 y. KITIDA. Lvs. lance-oblong, dark green, shining. S. W. (P. nitida Ph. ?) 



4 P. glaberrima L. Glabrous; sts. slender, clustered, subsimple, erect; Ivs. lance- 

 linear or oblong-linear, gradually acute or acuminate, rounded or acute at base, 

 thickish, often with revolute margins ; corymb subsimple, few-flowered ; cal. teeth 

 lanceolate, sharply acuminate. Prairies and barrens, Wis. to Ga. arid Tenn. Sts. 

 1 to 3f high, with light green foliage. Lvs. 2 to 3 to 4' long, 3 to 5" wide, very 

 smooth except the rough edges. Sep. united two-thirds their length. Cor. tube 

 9 to 12" long, slightly curved, lobes pale pink. Jn., Jl. 



5 P. pilosa L. Smooth or puberulent below, glandular pilous above ; st. declinate 

 at base, slender, assurgent, subsimple ; Ivs. linear and lance-linear, margin sub- 

 revolute, base half-clasping, attenuate to an acute apex ; panicle corymbous, few- 

 flowered, loose ; cal. segm. subulate-aristate, much longer than the tube. Prairies 

 and copses, Wis. to N. J., Ga., Fla. and La. A common, slender Phlox, 1 to 2f 

 high. Lvs. 1 to 3' long, rigid. Cor. small, pale red or bluish, tube 7 to 8" long, 

 lobes spreading 7 to 8". May, Jn. (P. aristata MX.) Varies to glabrous (La. 

 Hale) when it still differs from No. 4 by its long setaceous calyx teeth. 



p. FLORIDANA. Smoothish below; Ivs. oblong-lanceolate; sep. lanceolate- 

 setaceous. Fla. (at Quincy!) and elsewhere. Approaches the next. (P. 

 Floridana Benth.) 



6 P. involucrata. Hoary-pubescent ; sts decumbent and branching at base, thin, 

 simple and erect ; Ivs. linear-oblong, rather obtuse at each end, half-clasping, sub- 

 erect, flat, the floral similar and closely subtending the dense corymbs as if involu- 

 crate; cal. teeth longer than its tube, linear or subulate-spatulate ; cor. lobes 

 roundish-obovate, angled at apex. Very elegant, common in dry soils, through- 

 out the S. States. Sts. 6 to 12' high. Lvs. about 1' long. Cor. deep purple 

 varying to carmine-red. May, Jn. (P. pilosa Walt., MX., Benth., etc., not L. 

 ? Walteri, Gray.) 



7 P. reptans MX. Stolons creeping ; sts. assurgent ; Ivs. ovate, obovate or ob- 

 long, obtuse ; corymbs few-flowered ; cal. puberulent, segments linear-subulate ; 

 pet. obovate, entire. 1$. Hillsides and mountains, Ind. (Plummer) to S. Car. 



. Flowering-stems 6' high (Southern specimens 6 to 12'), with small (4 9" by 

 2 4") and remote leaves. Stolons with leaves 23 times larger, somewhat 

 crowded at the end. Flowers 3 8. Corolla bluish-purple, tube scarcely twice 

 longer than the calyx. June. 



8 P. divaricata L. Low, diffuse, pubescent; Ivs. lanceolate, ovate or oblong, 

 acutish; panicle corymbous, loose; cal. roughish-puberulent, segm. linear-subu- 

 late; cor. lobes emarginate at the end. If Can., Wis., N. Y. toGa. and Ala. (banks 

 of the Chattahoochie !). Sts. loosely branched, a foot or more long, flaccid. Lvs. 



