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.) Stems spreading or ascending from a 

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

 lanceolate, 2-5 cm. long, acutish ; cyme corymbose-panicled, spreading, loosely 

 flowered ; calyx-teeth slender awl-shaped, longer than 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. 

 May, 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 white corolla bifid at the 

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

 ofTenn. Apr., May. 



2. Suffruticulose and creeping-cespitose, evergreen, with mostly crowded and 

 fascicled subulate and rigid leaves. 



11. P. subulata L. (GROUND or Moss PINK.) 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-teeth 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 B. & 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. COLL6MIA (Nutt.) Gray. Flowers capitate-glomerate and foliose- 

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

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



1. G. linearis (Nutt.) Gray. Branching and in age spreading, 1.5-6 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. IPOM6PSIS (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. RUBRA (L.) Heller. (STANDING CYPRESS.) Simple, 0.5-1 m. high; 

 leaves crowded, divided into filiform segments ; thyrse 2-4 dm. long ; calyx with 

 long setaceous lobes; corolla red, pink, or white, 2.5-3.5 cm. long; stamens 

 included or barely exserted. (G. coronopifolia Pers.) Pastures and roadsides, 

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



