Order 92.— PHLOXWORTS. 



2Gi 



Analysis of the Genera. 



Corolla salver- form. Filaments unequal. Leaves simple. Phlox. Pulox. 1 



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



Corolhx bell-form. Filaments equal. Leaves pinnate. Poltmony. Poi.emo'nium. 2 



1. PHLOX. Lychnidea 



Calyx angular, deeply 5-cleft, corolla sa.ver-ic:*z: 

 the tul»e more or less curved. Stamens quioC u^iequa. 

 insertcd in the tube of the corolla above the middle. 

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

 ISTorth American herbs. Leaves generally opposite, 

 sessile, simple, entire. Flowers varying from pur- 

 ple to white. A2)ril-Juhj. 



,10-12 



Fig. 609. Flower of 

 of a Plilox. 



,1,2 

 ..b 



Lobes of the corolla rounded and entire at the end 

 Loles of the corolla notched or bifid at the end. . , .a 

 a Panicle of cymes oblonfj or pyramidal, many-flowered. . . 

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



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 



P. panicula'ta. Fanided L. Garden P. Tall. Leaves laiice-ovatc, acuminate at 

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

 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, f 

 o P. Caroli'na. Carolina L. Stem ascending. Leaves lance-ovate. W. S. 

 4 P. glabcr'rima. Polished L. Stem erect, simple. Leaves lance-linear. W. S. 

 P.pilo'sa. Ildrylj. Leaves lance-linear, acute. Calyx segments bristle-subulate, 



Kiuch linger than its tube. Stem slender, l-2f. W. S. p.-w. 

 P. involucra'ta. Cup-fl. L. Iloary-downy. Lvs. linear oblong, obtusish at cjich 

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



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



cicuse. W. S. 



8 P. Laphamii. LaphairCsP. Slender, erect. Lvs. ovate, acute, thin. W. 



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

 alternate. Calyx segments revolute. Corolla purple, with a star. S. f 



divarica'ta. Wild L. Low, diff'use, downy. Lvs. lance-ovate, acute. Pan- 

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

 11 P. Wiida. Beck''sL. Low, diffusely branched. Lvs. lanceolate, stem-clasping. 

 P. subula^'ta. Moss Pi nh. Piostrate, much branched. Lvs. linear-subulate, .f* 

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



13 



10 P. 



12 



