POLEMONIACEAE (^POLEMONIUM FAMILY) 675 



Damp woods, in the Allegheny region, Pa. to Ky. and Ga.; locally introd. 

 northw. May, June. 



8. P. divaricata L. (Blue Phlox.) Steins spreading or ascending from a 

 decumbent base, 2-5 dm. high ; leaves oblong- or lance-ovate or the lower oblong- 

 lanceolate, 2-0 cm. long, acutish ; cyme corymbose-panicled, spreading, loosely 

 flowered ; calyx-teeth slender a^vl-shaped, longer tlian the tube ; lobes of the 

 pale lilac or bluish corolla obcordate or wedge-obovate and notched at the end, 

 or often entire^ equaling or longer than the tube, with rather wide sinuses be- 

 tween them. — Rocky damp woods, w. Que. to Minn., and southw. May, June 

 — A form occurs near Crawfordsville, Ind., with reduced flowers, the narrow 

 entire acuminate corolla-lobes scarcely half as long as the tube. 



*** Stems low, diffuse and branching ; flowers scattered or barely cymulose; 

 corolla-lobes narrowly cuneate, bifid ; calyx-lobes subulate-lanceolate. 



9. P. bifida Beck. Minutely pubescent ; stems ascending, branched, 1-2 dm. 

 high; leaves linear, becoming nearly glabrous, 1-4.5 cm. long, 2-3 mm. wide; 

 flowers few, on slender peduncles ; calyx-teeth awl-shaped, about as long as the 

 tube ; lobes of the pale purple corolla, 2-cleft to or below the middle, equaling the 

 tube, the divisions linear-oblong. — Sandy soil, Ind. to Mich., la., and Mo 

 ]\Iay. June. 



10. P. Stellaria Gray. Very glabrous; leaves barely somewhat ciliate at 

 base, linear, 1.5-5.5 cm. long, 1-3.5 mm. wide, acute, rather rigid ; flowers 

 mostly long-peduncled ; lobes of the pale blue or almost ichite corolla bifid at the 

 apex into barely oblong lobes. — Limestone cliffs of Ky. R., s. 111., and barrens 

 of Tenn. Apr., May. 



§ 2. Suffruticulose and creeping-cespitose, evergreen, icith mostly crowded and 



fascicled subulate and rigid leaves. 



11. P. subulata L. (Ground or Moss Pixk.) Depressed, in broad mats; 

 stems villous above, or somewhat glandular; leaves awl-shaped, lanceolate, or 

 narrowly linear, 0.5-1.5 cm. long ; cymes few-flowered ; calyx-teetli awl-shaped, 

 rigid ; corolla pink-purple or rose-color with a darker center, sometimes white ; 

 lobes wedge-shaped, notched, or entire. (P. Hentzii Nutt. =P. Brittonii Small, 

 the most glandular state.) — Dry rocky hills and sandy banks, N. Y. to Mich., 

 Ky., and Fla. ; naturalized in N. E. Apr. -June. 



2. GILIA R. & P. 



Calyx-lobes narrow and acute, the tube scarious below the sinuses. Stamens 

 equally or unequally inserted. Capsule with solitary to numerous seeds. — 

 Mostly herbs with alternate leaves. (Dedicated to Felipe Gil., a Spanish 

 botanist. ) 



§ 1. COLLOMIA (Nutt.) Gray. Flowers capitate-glomerate and foliose- 

 bracted ; stamens unequally inserted in the narroio tube of the salver-form 

 corolla; ovules solitary ; leaves sessile and entire ; annuals. 



1. G. linearis (Nutt.) Gray. Branching and in age spreading, 1.5-5 dm. 

 high ; leaves linear- or oblong-lanceolate ; calyx-lobes triangular-lanceolate, 

 acute ; corolla 1 cm. long, from lilac-purple to nearly white, very .slender, with 

 small limb. (Collomia Nutt.) — Dry open soil, n. e. N. B. and adjacent Que.; 

 Minn, and Man. to B. C, s. to Ariz, and Cal. ; slightly adv. eastw. 



§ 2. IPOMOPSIS (Michx.) Benth. Flowers in long thyrsoid panicles ; stamens 

 equally inserted at or below the throat of the narrow funnel-form corolla; 

 ovules many ; leaves mostly divided; biennials. 



2. G. KUHUA. (L.) Heller. (Standing Cypre.«;s.) Simple, 0.5-1 m. high; 

 leaves crouvled. divided into filiform segments; tiiyrse 2-4 dm. long ; calyx with 

 long setaceous lobes; corolla red, pink, or white, 2,-V-.3.5 cm. long; stamens 

 included (M^ barely ox.serted. (G. coronopifolia Pers. ) — Pastures and roadsides, 

 local, Franklin Co., Mass., and O. June-Aug. (Nat. from the Southwest.) 



