GENUS i. 



PHLOX FAMILY. 



5. Phlox glaberrima L. Smooth Phlox. 

 Fig. 3458. 



Phlox glaberrima L. Sp. PI. 152. 1753. 



Glabrous or nearly so throughout; stem simple, 

 slender, erect or ascending, i-3 high. Leaves lan- 

 ceolate or linear, rather firm, mostly i-nerved, 

 acuminate at the apex, narrowed at the base, i*'-4' 

 long, 2"-6" wide, sessile, or the lowest linear or ob- 

 long, obtusish, shorter, and short-petioled ; flowers 

 short-pedicelled, the cymules corymbed; calyx-teeth 

 subulate-lanceolate, one-third to one-half the length 

 of the tube ; corolla commonly pink, its lobes obo- 

 vate, rounded or obcordate, longer than the tube. 



In open woods and on prairies, Virginia to Illinois, 

 Wisconsin, Florida, Mississippi, Missouri and Arkansas. 

 Ascends to 2200 ft. in Virginia. May-July. 



6. Phlox pilosa L. Downy or Prairie 

 Phlox. Fig. 3459. 



Phlox pilosa L. Sp. PL 152. 1753. 



Soft downy or hairy, often glandular; stem 

 erect or ascending, simple or branched, slen- 

 der, i-2 high. Leaves linear or lanceolate, 

 spreading or divaricate, long-acuminate, i'-4' 

 long, ii"-4" wide, sessile, the base narrowed 

 or rounded ; cymules corymbed ; flowers short- 

 pedicelled; calyx glandular, viscid, its teeth 

 setaceous-subulate, longer than the tube; co- 

 rolla pink, purple or white, its lobes obovate, 

 entire, the tube usually pubescent; capsule 

 shorter than the calyx. 



In dry soil, Ontario to Manitoba, Connecticut, 

 New Jersey, Florida, Arkansas and Texas. Hairy 

 phlox. Sweet-william. April-June. 



Phlox argillacea Gute & Ferriss is a recently 

 described relative or race of this species, grow- 

 ing on prairies in Indiana and Illinois. 



7. Phlox amoena Sims. Hairy Phlox. 

 Fig. 3460. 



Phlox amoena Sims, Bot. Mag. pi. 1308. 1810. 



Usually quite hairy; stems simple, slender, ascend- 

 ing, 6'-i8' high. Leaves linear-oblong to ovate- 

 oblong, sessile, acute or obtuse at the apex, mostly 

 narrowed at the base, nearly erect, $'-2' long, \\"-2\" 

 wide, the lowest much shorter ; flowers very nearly 

 sessile in a dense terminal simple or somewhat com- 

 pound cyme, which is subtended by the uppermost 

 pair of leaves ; calyx hirsute, its teeth subulate, as 

 long as or shorter than the tube ; corolla pink or 

 white, its lobes obovate, entire or rarely emarginate, 

 shorter than the glabrous tube. 



In dry soil, Virginia to Kentucky, Tennessee, Florida 

 and Alabama. April-June. 



