192 ELEMENTS OF BOTANY. 



10(3. POLEMONIACEJE. PHLOX FAMILY. 



Annual, perennial or slightly shrubby plants ; leaves oppo- 

 site or alternate ; flowers perfect, regular, solitary, cymose or 

 paniculate ; calyx 5-parted, the lobes scarious-margined ; 

 corolla rotate to funnel-form or salver-form, convolute in the 

 bud, the limb 5-lobed or parted ; stamens 5, inserted in the 

 tube of the corolla and alternate with its lobes, filaments 

 slender ; ovary free, 3-celled, 3-many-ovuled, style single, 

 filiform, 3-cleft; fruit a 3-celled, 3-valved, 3-many-seeded 

 capsule, seeds angled. 



I. PHLOX. 



Perennial or rarely annual herbs ; stems erect or diffuse ; 

 leaves opposite, or the upper alternate, entire, exstipulate ; 

 flowers showy, white or purple, in terminal cymes or pani- 

 cles; calyx cylindrical or funnel-form, 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 narrow- 

 winged. 



1. P. I'ANicuLATA L. Gardex Phlox. Perennial; stems in 

 chmips, stout, erect, simple or branched above, 2-4 ft. high ; leaves 

 ovate-lanceolate to oblong, acuminate at the apex, rounded or cor- 

 date 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 

 tul)e. ]\Iay-July. In rich woods ; often cultivated. 



"2. P. PILOSA L. Downy Phlox. Perennial; stem erect, slen- 

 der, simple or branched, 1-2 ft. high ; leaves linear-lanceolate to 

 linear, distant, spreading, long-acuminate, sessile, stem and leaves 

 pubescent or villous ; cymes corymbose, loose ; flowers short-pedi- 

 celed; calyx glandular-viscid, the teeth shorter than the tube of the 

 purple corolla, bristle-pointed; corolla tube pubescent, lobes obovate ; 

 capsule twice the length of the calyx tube. April-Maj^ In dry, 

 open woods. 



