568 Order 92.— POLEMONIACE^E. 



/?. acuminata. Lvs. ovate-acuminate, pubescent beneath as well as the stem*, 

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



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

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

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

 long as its tube; pot. 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.) 



ji. CRACiLiOR. Tall, slender, scabrous; lvs. linear and lance-linear. Ga. (Feay). 

 y. suaveolexs. Smooth ; lis. white, sweet-scented. — Gardens. (P. suaveo- 

 lens Ait.) 



3 P. Carolina L. Glabrous ; st. decimate at base, ascending, often branched ; lvs. 

 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 corn- 

 j>ound and rather diffuse. Sep. united two-thirds their length, the points soft, 

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



/3. ovata. St. rougbish or puberulent; lvs. broad (1); corymb loose. — South. 



(P. ovata Ph.) 

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



4 P. glaberrirna L. Glabrous; sis. slender, clustered, subsimple, erect; lvs. lance- 

 I 'near 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. and 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-third3 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 ; lvs. linear and lance-linear, margin sub- 

 revolute, base half-clasping, attenuate to an acute apex; panicle eor} r mbous, few- 

 llowered, loose ; cal. segm. subulate-arislate, much longer than the tube. — Prairies 

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

 high. Lvs. 1 to 3' long, rigid. Cor. small, pale red or bluish, tube T to 8" long, 

 lobes spreading 1 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. 



ji. Floridana. Smoothish below ; lvs. oblong-lanceolate ; sep. lanceolate- 

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

 Floridana Eenth.) 



6 P. involticruta. Iloaiv -pubescent; sts decumbent and branching at base, thin, 

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

 erect, flat, the jioral similar and closely subtending the dense corymbs as if mvolu- 

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

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

 out the S. States. Sts. (J 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 ; lvs. ovate, obovate or ob- 

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

 pet. obovate, entire. — 2£ Hillsides and mountains, Ind. (Plummer) to S. Car. 

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

 2 — 4") and remote leaves. Stolons with leaves 2 — 3 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; lvs. lanceolate, ovate or oblong, 

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

 late ; cor. lobes emarginate at the end. — % Can., Wis., N. Y. to Ga. and Ala. (banks 

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



