SCEOPHULARIACEAE. 



345 



2. CYMBALARIA Medic. 

 Perennial creeping or spreading herbs, with long-petioled, mostly lobed, 

 palmately veined leaves, and solitary axillary white to violet flowers. Calyx 

 o-parted. Corolla irregular, 2-lipped, short-spurred ; upper lip 2-lobed, lower 

 lip 3-lobed; throat nearly or quite closed by the palate. Stamens 4, didyn- 

 amous, ascending, included, the filaments filiform. Style very slender. Capsule 

 dehiscent by 2 terminal 3-toothed pores. Seeds numerous, small. [From the 

 Greek for cymbal.] About 9 species, of the Old World, the following typical. 



1. Cymbalaria CymbaJaria (L.) 

 Wettst. Kexilworth or Coliseum Ivy. 

 (Fig. 374.) Glabrous; stem trailing, 

 often rooting at the nodes, 4'-12' long. 

 Leaves reniform-orbicular, 3-5-lobed, 3"- 

 12" in diameter, the lobes broad and 

 obtuse; flowers blue or lilac, 4"-5" long; 

 peduncles slender, recurved, shorter than 

 the petioles; calyx-segments lanceolate, 

 acute ; palate yellowish ; capsule globose ; 

 seeds rugose. [Antirrhinum Cymbalaria 

 L.; Linaria Cymbalaria Mill.] 



Occasional on roadside walls and 

 rocks. Introduced. Native of Europe. In- 

 troduced into the eastern United States. 

 Flowers from spring to autumn. 



3. KICKXIA Dumort. 

 Mostly annual spreading or creeping 

 herbs, with pinnately veined, short-peti- 

 oled leaves, and solitary axillary white yellow or variegated flowers. Calyx 5- 

 parted. Corolla irregular, spurred, 2-lipped, the throat closed by the palate. 

 Stamens 4, didynamous, included; filaments filiform. Capsule opening by 1 

 or 2 terminal slits, pores, or valves. Seeds ovoid, mostly rough or tubercled. 



About 25 species, natives of the Old 

 World, the following typical. [In honor 

 of Johann Kickx, professor in Ghent.] 



1. Kickxia Elatine (L.) Dumort. 

 Sharp-pointed Fluellix or Toad- 

 flax. (Fig. 375.) Annual, pubescent; 

 stems prostrate, 6'-2° long. Leaves 

 *'-l' long, acute or obtuse at the 

 apex, ovate or triangular, hastate, 

 truncate, or subcordate at the base, en- 

 tire, or few-toothed, the basal auricles 

 divergent, acute; flowers about 3" long; 

 peduncles filiform ; calyx-segments nar- 

 rowly lanceolate, acute ; corolla yellow- 

 ish, purplish beneath, its spur slender, 

 straight. Capsule sub-globose. \ Antir- 

 rhinum Elatine L. ; Linaria Elatina 

 Mill.; Evolvulus alsinoides of Moore.] 



Frequent in waste and cultivated 

 grounds. Naturalized. Native of Europe. 

 Naturalized in eastern North America. 

 Flowers from spring to autumn. 



