200 KEY AND FLORA 
I. PHLOX L. 
Perennial or rarely annual herbs; stems erect or diffuse. 
Leaves opposite, or the upper alternate, entire, without 
stipules. Flowers showy, white or purple, in terminal cymes 
or panicles. Calyx cylindrical or funnelform, 5-cleft, the 
lobes acute. Corolla salver-form, the tube long and slender, 
the limb 5-parted, the lobes spreading, entire or obcordate. 
Stamens included, unequal. Ovary 3-celled, style slender. 
Capsule ovoid, 3-celled, 1-few-seeded ; seeds wingless or nar- 
row-winged.* 
1, P. paniculata L. GArpen Puiox. Perennial; stems in clumps, 
stout, erect, simple or branched above, 2-4 ft. high. Leaves ovate- 
lanceolate to oblong, taper-pointed at the apex, rounded or cordate at 
the base, thin, smooth; veins prominent beneath. Cymes numerous 
and compact, forming a pyramidal panicle; pedicels short. Calyx 
teeth long, bristle-pointed. Corolla purple to white; lobes round- 
obovate, shorter than the tube. Capsule longer than the calyx tube. 
In rich woods; often cultivated.* 
2. P. maculata L. Witp Swrerer Witziram. Stem erect, smooth 
or nearly so, rather slender, purple-spotted, 1-2 ft. high. Lower 
leaves lanceolate, the upper ones broader, taper-pointed, roundish 
or heart-shaped at the base. Panicle many-flowered, narrow, ellip- 
soidal. Calyx teeth lanceolate, hardly acute. Flowers purple, occa- 
sionally white. Damp woods and fields. 
3. P. glaberrima L. SmootH Puiox. Stems smooth, slender, 
erect, 1-3 ft. high. Leaves narrowly lanceolate or linear, 13-4 in. 
long, smooth except the rough and sometimes recurved margins. 
Cymes few-flowered, grouped in loose corymbs. Calyx teeth very 
narrow and sharp-pointed. Corolla pink or whitish, lobes longer than 
the tube. Prairies and open woods. 
4. P. pilosa L. Downy Putox. Perennial; stem erect, slender, 
simple or branched, 1-2 ft. high. Leaves linear-lanceolate to linear, 
distant, spreading, long, taper-pointed, sessile; stem and leaves downy. 
Cymes corymbose, loose. Flowers short-pediceled. Calyx glandular- 
viscid, the teeth shorter than the tube of the purple corolla, bristle- 
pointed. Corolla tube downy, lobes obovate. Capsule twice the 
length of the calyx tube. In dry, open woods.* 
5. P. divaricata L. Wrip Brus Purox. Perennial; stems erect 
or ascending from a decumbent base, sticky-downy, 1 ft. high. 
Leaves distant, lanceolate to oblong, acute at the apex, rounded at 
the base, sessile, downy. Cymes corymbed, loosely flowered. Calyx 
teeth awl-shaped, longer than the tube. Corolla bluish-purple, 1-3 
