978 POLEMONIACEAE 



lobes linear-subulate, commonly longer than the tube : corolla purple, pink or white ; tube 

 glabrous, 1-1.5 cm. long; limb 2-2.5 cm. broad; lobes cuneate or obovate, apiculate or 

 rarely notched : capsules oval, 3-4 mm. long. 



On dry hillsides and in pine woods, Virginia to Tennessee and Florida. Spring. 



9. Phlox Lighthipei Small Resembling P. amoena, but larger. Stem erect or 

 nearly so, 2-4 dm. tall : leaf-blades narrower tlian those of P. amoena, those of the sterile 

 shoots linear or nearly so, those of tlie Howering stems linear or linear-lanceolate, the upper 

 ones, at least, somewhat acuminate : calyx bristly pubescent, over 1 cm. long ; lobes longer 

 than the tube: corolla i^ink or pink-purple; tube 1.5-2 cm. long: capsules oblong, 4-5 

 nmi. long. 



In pine lands, southern Georgia and Florida. Spring. 



10. Phlox Floridana Benth. Perennial, finely pubescent or glabrate below. Stems 

 erect, sometimes tufted, 2-6 dm. tall, corymbose above : leaves opposite ; blades linear or 

 linear-lanceolate, 2-10 cm. long, sessile : corymbs glandular-pubescent : calyx about 1 cm. 

 long ; lobes subulate-setaceous, as long as the tube or longer : corolla light purple ; tube 

 1.5-2 cm. long ; limb about 2 cm. broad ; lobes cuneate or cuneate-obovate, entire : cap- 

 sules oblong, 5-6 mm. long. 



In open woods, Georgia and Alabama to Florida. Spring. 



11. Phlox pilosa L. Perennial, villous-hirsute. Stems erect or ascending, often 

 tufted, 2-5 cm. tall, corymbose above : leaves opposite ; blades linear to narrowly lanceo- 

 late, 3-8 cm. long, gradually attenuate, sessile : corymbs becoming lax : calyx about 1 

 cm. long ; lobes subulate-setaceous, as long as the tube or longer : corolla pink-purple or 

 white ; tube 1-1.5 cm. long, more or less pubescent ; limb 2 cm. broad ; lobes obovate or 

 cuneate, sometimes apiculate : capsules globose-oblong, about 5 mm. long. 



In sandy woods or meadows, Ontario to Manitoba, south to Xew Jersey, Florida and Texas. Spring. 



12. Phlox detonsa (A. Gray) Small. Similar to P. pilosa in habit, but glabrous, at 

 least below the inflorescence : leaf-blades narrowly linear to linear-lanceolate, acuminate : 

 branches of the inflorescence sometimes merely puberulent : calyx glabrous or essentially 

 so : capsules about 4 mm. long. [P. pilosa var. detonsa A. Gray.] 



In pine woods and on prairies, Florida to Texas. Spring. 



13. Phlox bifida Beck. Perennial, minutely pubescent. Stems diffusely branched 

 at the base ; branches 1-2 dm. long : leaves opposite ; blades linear, 2-5 cm. long, acute, 

 sessile ; midnerve prominent beneath : calyx 6-8 mm. long ; lobes subulate, shorter than 

 the tube : corolla violet purple ; tube often 1 cm. long ; limb 1.5 cm. broad, the lobes cleft 

 to below the middle ; the segments oblong or linear : capsules oblong, 3-4 mm. long. 



On prairies or barrens, Michigan to Tennessee and Illinois. Spring. 



14. Phlox Brittonii Small. Perennial, deep green. Stems copiously branched ; 

 branches matted, forming wide mats, glandular-pilose : leaves numerous, small ones often 

 clustered in the axils of the larger ; blades subulate or narrowly linear-subulate, 5-10 mm. 

 long, ciliate especially near the base : calyx 5-6 mm. long, glandular-pubescent like the 

 branches ; lobes subulate, about as long as the tube : corolla mainly Avhite ; tube about 1 

 cm. long ; limb 12-13 mm. broad ; lobes cuneate, with 2 pale magenta spots at the base, 

 cleft by a V-shaped sinus about 3 mm. deep at the apex, a minute tooth in each sinus, the 

 tips acute or acutish. 



On dry mountain slopes, Virginia, West Virginia and North Carolina. Spring. 



15. Phlox subul^ta L. Perennial, evergreen, more or less pubescent. Stems de- 

 cumbent, forming mats, the fertile branches erect, 1-1.5 dm. tall, pilose with fine hairs : 

 leaves opposite, often clustered ; blades linear or linear-subulate, 1-1.5 cm. long, acute, 

 sessile : calyx 8-9 mm. long, pubescent like the stem ; lobes lanceolate-subulate, about as 

 long as the tube : corolla purple, pink or white; tube 1-1.5 cm. long; limb 1.6-2 cm. 

 broad ; lobes cuneate, emarginate or slightly notched, the sinuses toothless, but with 2 deep 

 magenta spots at the base : capsules oblong-obovoid, 4-4.5 mm. long. 



On rocky hillsides or in barren places, New York to Michigan, Georgia and Kentucky. Spring. 

 Ground or Moss Pink. 



16. Phlox H6ntzii Nutt. Perennial, minutely pubescent. Stems branched at the 

 base ; branches erect or ascending, 2-4 dm. tall, sometimes quite stout and very leafy : 

 leaves opposite, often clustered ; blades narrowly linear or linear-subulate, 1-2 cm. long, 

 acute or acuminate, sessile, with smaller ones clustered in their axils : calyx at least 1 cm. 

 long, glandular-pubescent ; lobes subulate, as long as the tube or longer : corolla purple, 

 lavender or white ; tube 1-1.5 cm. long; limb 2-2.5 cm. long; lobes notched or erose : 

 capsules 4-5 mm. long. 



In sandy pine lands, North Carolina to Florida. Spring, 



