Order 92.— PHLOXWORTS. ^^^ 



Analysis of the Genera. 



Corolla salver-form. Filaments unequal. Leaves simple. Phlox. Pulox. j 



Corolla funnel-form. Filaments equal. Leaves dissected. Gilia. Gi'lia. 



Corolla bcU-form. Filaments equal. Leaves pinnate. Fole7nony. Poi.emo'nium, 2 



1. PHLOX. Lychnidea 



Calyx angular, deeply 5-cleft, corolla saxver-icrzi. 

 the tube more or less curved. Stamens qui^e unequa^. 

 inserted in the tube of the corolla above the middle. 

 Capsule 3-celled, cells 1-seeded. — Ver} beautiful 

 North American herbs. Leaves generally opposite, 

 sessile, simple, entire. Flowers varying from pur 

 pie to white. April-July. 



Fig. 609. Flower of 



* Lobes of the corolla rounded and entire at the end 10-12 ^^ ^ Phlox. 



* Lobes of the corolla notched or bifid at the end a 



a Panicle of cymes oblong or pyramidal, many-flowered...,!, 2 



a Panicle of cymes corymbed, level-topped, flowers fewer b 



b Plants glabrous. Calyx teeth shorter than its tube. . . .3, 4 



Plants hairy. Calyx teeth very slender, larger than its tube....c 



c Leaves narrow, linear or nearly so 5, 6 



c Leaves broad, ovate, lanceolate, &c 7-9 



1 P. panicula'ta. Fanicled L. Garden P. Tall, Leaves lance-ovate, acuminate at 



each end. Calyx-teeth bristle-pointed, nearly as long as the tube. "W. S. t 



2 P. macula'ta. Spotted L. Stem purple-spotted. Leaves lance-ovate, upper cor- 



date. Calyx-teeth lanceolate, acute, half as long as its tube. Fields. W, S, t 

 S P. Oaroli'na. Carolina L. Stem ascending. Leaves lance-ovate. W, S, 

 4 P. glaberMma. Polished L. Stem erect, simple. Leaves lance-linear. W. S. 



5 P.pilo'sa Hairy L. Leaves lance-linear, acute. Calyx segments bristle-subulate, 



much longer than its tube. Stem slender, l-2f. W. S. p.-^. 



6 P. involucra'ta. Cup-jl. L. Hoary-downy. Lvs. linear oblong, obtusish at each 



end, the floral crowded beneath the dense cymes, p.-r. S. 



7 P. rep'tans. Creeping L. Stolons creeping. Stem oblique. Lvs. obovate, 



tatuse. W. S, 



8 P. Laphamii. LapJiani's P. Slender, erect. Lvs. ovate, acute, thin. "W". 



9 P. Drummondii. Dr ummond' s P. Annual, branched, hairy. Leaves mostly 



alternate. Calyx segments revohite. Corolla purple, -with a star. S. \ 



10 P. divarica'ta. Wild L. Low, diffuse, downy. Lvs. lance-ovate, acute. Pan- 



icle corymbed, loose. Corolla grayish-blue. c. (No. 8, may be the same.) 



11 P. bi'nda. Beck''sL. Low, diff"usely branched. Lvs. lanceolate, stem-clasping. 



12 P. subnla''ta. Moss Pink. Prostrate, much branched, Lvs. linear-subulate, ft 



grows in dense tufts, covered over with rose-colored flowers in May. ^ 



