218 DiCOTYLEDONOtrS* 



Genus II EPIPHAGUS. 



Calyx short, 5.toothed. Flowers polygamous, the upper 

 ones sterile, the lower fertile. Corolla of the sterile florets 

 ringent, compressed, 4-cleft ; of the fertile 4-toothed, small. 

 Capsule truncate, oblique, 1-celled. 



1 E ViRGiNiCA. Stem erect, branching, covered with small^ ovate scales. 

 Flowers alternate, small, steiile flowers largest, striped with purple, growing 

 on the roots of Beach trees. 



White, with purple. % Angust — September. 12-18 inches. 



Order LXXXV. ACANTHACEiE. 



Calyx 4-5-cleft, persistent^ with the segments equal or une- 

 qual. Corolla hypogynous, with a regular or irregular bor- 

 der. Stamens inserted into the tube of the corolla, 2 or 4, 

 when 4 didynamous, the short ones sometimes sterile. Ovary 

 2-celled, surrounded at the base by a disk. Style 1. Capsule 

 2-celled, few or many seeded ; dissepiments opposite the 

 valves. S^eecZ^ suspended, nearly globular. Cotyledons ]a.Yge, 

 Herbaceous plants, with opposite, simple leaves. 



Genus I JUSTICIA. 



Calyx 5-parted, often with 2 bracts at the base. Corolla 

 bilabiate, the upper lip emarginate, the lower 3-cleft. Stamens 

 2. Stigma 1. Capsule 2-celled, 2-valved. 



1 J HuMiLis. Stem assurgent, glabrous towards the base, rough near the 

 summit, jointed. Leaves decussate, lanceolate, serrulate, scabrous. Flotcers 

 m long axillary spikes. Bract? minute. Galyx persistent, ventricose. Corolla 

 with the upper Hp reflected ; middle segment of the lower lip longest, spotted. 



Violet. % May — June. In wet soils. 12-18 in. 



2 J Ensiformis. Stem assurgent. Leaves decussate, linear-lanceolate^ 

 glabrous, acute, slightly oblique- Floioers in short, compact spikes, on long 

 peduncles. 



Violet. % May— June. Southern Georgia. 



Genus II RUELLIA. 



Calyx 5-parted, often with 2 bracts. Corolla campanulate, 

 with a 5-lobed border. Stamens 4 or 5 approximate. Capsule 

 attenuate, dehiscing at the summit. 



1 R Strepens. Stem erect, 4-angled, hairy. Zeaces opposite, petiolate^ 

 lanceolate-ovate, entire. Floxvers axillary, 1-3 in each axil. Calyx with 

 acute hispid segments, with 2 bracteal leaves as long as the calyx. Corolla 

 with the segments rounded ; tube longer than the calyx. Seed generally 4. 



Blue. % May— Sept. Damp soils. 1-2 ft. 



2 R HiRSUTA. Stem erect, obtusely angled, sparingly branched, hirsute. 

 Leaves opposite, ovate-lanceolate, sessile, acute, rough. Calyx with hispi<J 

 subulate segments, longer than the tube of the corolla. Style long. 



Blue. %■ July— Oct. Ga. and Ala. 



