4:74: ORDER XCH. VERBENACE^. 



Order XCIL— VERBENA'CE^. ( Vervain Family.) 



Calyx tubular, persistent, inferior. Corolla liypogynous, 

 usually with an irregular limb. Stamens 4, didynamous, some- 

 times only 2. Ovary 2 — 4-celled. Ovules erect or pendulous, 

 solitary or twin. Style 1. Fruit a drupe or berry. Albumen 

 none. Shrubs or herbaceous plants, with exstipulate leaves. 



ANALYSIS. 



1. Plants, shrubs 2 



Plants, herbaceous 3 



2. Stamens didynamous Lnntana, 4 



Stamens not didynamous Callicarpa, 2 



3. Flowers in spikes, calyx erect Vei-dena, 1 



Flowers in spikes, calyx reversed in fruit Phryma, 5 



Flowers in heads Zappania, 3 



Genus I— YERBE'NA. L. 13—2. 

 (The Celtic name of the plant.) 



Calyx 5-cleft. Corolla funnel-form, with the tube curved, 

 and the limb unequally 5-cleft. Stamens 4, didynamous. 

 Seeds 4. Flowers in paniculate spikes. 



1. V. Auble'tia. Stem creeping', assurgent, angled, pubescent. Leaves 

 opposite, oval-lanceolate, 3-lobed, dentate. Flowers in terminal spikes. 

 Calyx angleti, with unequal, setaceous segments. Corolla pubescent at 

 the summit, the border expanding. — Purple. IX. Through the sum- 

 mer. Pine-barrens. Common. 



2. V. spu'ria. Stein decumbent, divaricately branched. Leaves ses- 

 sile, deeply hiciniate, somewhat piiuiatifid; segments serrate. Flowers 

 in filiform spikes, loose. Bracts longer than the calyx. — Purple. ©. 

 Aug.— Oct. Middle Geo. 1—2 feet. 



8. V. hasta'ta. Steyn erect, pubescent. Leaves lanceolate, acuminate, 

 serrate, the lower ones frequently lobed, or hastate. Flowers in short, 

 linear spikes, paniculate. Bracts ovate, shorter than the calyx. — Pur- 

 ple. %. July — Aug. Middle Car. and Geo. 2 — t feet. 



4. V. panicula'ta. Stem erect, scabrous, almost hispid. Leaves long, 

 lanceolate, coarsely serrate, undivided. Flowers in numerous spikes, 

 forming a corymbose panicle. — Purple, 11. July — Aug, Mountains. 

 4—6 feet. 



5. V. urticifo'lia. Stem erect, somewhat pubescent, with numerous 

 slen*ler branches. Leaves ovate, acute, serrate. Flowers in filiform 

 spikes, axillary and terminal, forming panicles. Bracts subulate; seg- 

 ments of the corolla nearly equal. — White, tinged with purple. July 

 • — Aug. Common. 2 — 3 fc^t. 



6. Y. Carounta'na. Stem erect, scabrous, simple, viscid. Leaves 

 oblong, obovate, irregularly serrate, sometimes slightly lohed. Flowers 

 in long spikes. Bracts subulate. Corolla somewhat bilabiate, — Pale 

 purple. May — July. Dry soils. Common. 



