GENUS 1. PHLOX FAMILY. 55 
5. Phlox glabérrima L. Smooth Phlox. 
Fig. 3458. 
Phlox glaberrima L. Sp. Pl. 152. 1753. 
Glabrous or nearly so throughout; stem simple, 
slender, erect or ascending, 1°-3° high. Leaves lan- 
ceolate or linear, rather firm, mostly 1-nerved, 
acuminate at the apex, narrowed at the base, 13’—-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 pilésa 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, 1°-2° high. Leaves linear or lanceolate, 
spreading or divaricate, long-acuminate, 1-4’ 
long, 13-4” 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 Clute & Ferriss is a recently 
described relative or race of this species, grow- 
ing on prairies in Indiana and Illinois. 
7. Phlox amoéna Sims. Hairy Phlox. 
Fig. 3460. 
Phlox amoena Sims, Bot. Mag. pl. 1308... 1810. 
Usually quite hairy; stems simple, slender, ascend- 
ing, 6-18’ high. Leaves linear-oblong to ovate- 
oblong, sessile, acute or obtuse at the apex, mostly 
narrowed at the base, nearly erect, 4’-2’ long, 14’’-23” 
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. 
