440 OEDER LXXXIV. POLEMONIACE^. 



Order LXXXIV.— POLEMONIA'CE^. {Phlox Family) 



Cahjx 5-parted, persistent, sometimes irregular. Corolla 

 regular, 5-lobed. Stamens 5, inserted into the middle of the 

 tube of the corolla, and alternate with its segments. Ovary 

 superior, 3-celled. Style simple. Stigma trifid. Cajjsule 3- 

 celled, dehiscence loculicidal. Seed angular or oval, ascending ; 

 embryo straight ; cotyledons foliaceous. Herbaceous plants. 



Genus L— PHLOX. L. 5—1. 

 (From plilox, a flame, the appearance of the flowers.) 



Calyx prismatic, deeply 5-cleft. Corolla salver-form, with a 

 flat 5-lobed border, lobes cuneate. Stamens unequal, inserted 

 into the tube of the coroHa. Capsule ovate, 3-celled, 1 seed in 

 each cell. 



1. P. ACUMINATA, (Pursh.) Stem erect, little scabrous toward the 

 summit, smooth toward the base. Leaves membranaceous, scabrous, 

 lower ones spatulate-ovate, acuminate, upper ones lanceolate. Flow- 

 ers in terminal corymbs ; segments of the calyx subulate, awned ; seg- 

 ments of the corolla rounded. — Purple. %. Aug. — Sept. Common 

 in the upper country. 3 — 5 feet. 



2. P. panicula'ta, (L.) Stem smooth, erect. Leaves opposite, lance- 

 olate, flat, with scabrous margins, acuminate. Flowers in numerous op- 

 posite corymbs; segments of the calyx pubescent, awned. Anthers 

 linear, 2-celled. >S^^^wa hispid. — Purple, U. June — July. Upper dis- 

 tricts of Carohna. 2 feet. 



3. P. undula'ta, (Pursh.) >S'^«;2 erect, glabrous. Zeares oblong-lance- 

 olate, undulate, with scabrous margins. Flowers in paniculate corymbs ; 

 segments of the calyx awned, those of the corolla refuse. — Blue. If. 

 July — Aug. Mountains. 2 — 3 feet. 



4. P. pyramida'lis, (Pursh.) Stem erect, scabrous. Leaves cordate- 

 ovate, acute. Flouers in pyramidal, fastigiate panicles; segments of the 

 calyx lanceolate, acute ; those of the corolla cuneate, truncate. — Purple. 

 If, Juno — Aug. Mountains. 



5. P, corda'ta, (Ell,) Stem erect, glabrous. Leaves cordate, taper- 

 ing toward the summit, auricled at the base, with scabrous margins. 

 Flowers in somewhat paniculate corymbs, numerous ; segments of the 

 calyx awned, as long as the tube. — Blue. U- August, Upper dis- 

 tricts of Carolina. 1 — 2 feet. 



6. P. macula'ta, (L.) Ste7n erect, terete, dotted, sprinkled with 

 glandular hairs. Leaves sessile, ovate-lanceolate, acute, with scabrous 

 margins. Flowers in alternate corymbs. Calyx with subulate segments, 

 angled. CoroZ/a with obovate rounded segments. — Purple. 1i- May 

 — July. Rich soils. Common. 2 — 3 feet. 



7. P. Caroii'na, (Pursh.) Stem erect, pubescent. Leaves ovate- 

 lanceolate, acute, glabrous. Flowers in fa.<tigiate corymbs. Cali/z 

 glabrous, with linear-lanceolate teeth ; segments of the corolla rounded 

 — Purple. If. July — Sept. Upper districts of Carolina. 



