VKRBENACE.*:. (VKKVAIN lA.MIl.V.; 401 



exceeding the lanceolate or linear calyx-lubes. — Kich soil, I'eun. to Wise, south 

 to Fla. and Tex. .luly - Sept. — \'ar. cleij^tAntha, (Jniv. Leaves commonly 

 narrower and oblong ; flowers for most of the season cleistogamous. — Com- 

 mon with the ordinary f(»rni. 



3. DIANTHERA, Gronov. Watek-Willuw. 



Calyx 5-parted. Corolla deeply 2-lipped; the upper lip erect, notched; the 

 lower spreading, 3-parted, external in the l)ud. Stamens 2; anthers 2celled, 

 the cells separated and somewhat unecjual. Capsule obovate, flattened, con- 

 tracted at base into a short stalk, 4-sceded. — Perennial herbs, growing in 

 water or wet places, with entire leaves, and purplish flowers in axillary pe- 

 duncled spikes or heads. (Name formed of his, double, ^nd avQy^pd, anther , 

 the separated cells giving the appearance of two anthers on each filament.; 



1. D. Americana, L. Stem 1-3° high; leaves linear-lanceolate, elon- 

 gated; spikes oblong, dense, long-peduncled ; corolla 4-5" long. — In water, 

 N. W. Vt. to Wise, south to S. C. and Tex. July -Sept. 



Order 81. VEKBENACE.^. (Vervain Family.) 



Herbs or shi'ubs, ivith opposite leaves, more or less 2-lipped or irregular 

 corolla, and didynamous stamens, the 2-4-celled (in Phryma 1-celled) 

 fruit dry or drupaceous, usually splitting when ripe into as many l-seeded 

 indehiscent nutlets; differing from the following order in the ovarv not 

 being 4-lobed, the style therefore terminal, and the plants .«eldom aro- 

 matic or furnishing a volatile oil. — Seeds with a straight embryo and 

 little or no albumen. — A large order in the warmer parts of the world, 

 sparingly represented in cool regions. 



Tribe I. VEKBENE^. Ovary '2-4-celled, with an erect anatropous ovule in each cell 



1. Verbena. Flowers in spikes or heads. Calj'x tubular. Fruit siilitting into 4 nutlets. 



2. Lippia. Flowers in spikes or heads. Calyx short, 2-cleft. Fruit splitting into 2 nutlets. 



3. Callicarpa. Flowers in axillary cymes. Calyx short. Fruit berry-like, with 4 nutlets. 

 Tribe II. PHRYME.iE. Ovary 1-celled ; ovule erect, ortliotropous. 



4. Phryma. Flowers in slender spikes. Calyx cylindrical, 2-lipped. Fruit an achene. 



1. VERBENA, Tourn. Vervain. 



Calyx tubular, .'j-toothed, one of the teeth often shorter than the others. 

 Corolla tubular, often curved, salver-form ; the border somewhat une(jually 5- 

 deft. Stamens included ; the upper pair occasionally without anthers. Style 

 slender; stigma mostly 2-lobed. Fruit splitting into 4 seed-like nutlets. — 

 Flowers sessile, in single or often panicled sj)ikes, bracted ; produced all sum- 

 mer. (The Latin name for any sacred herb; derivation obscure.) — The spe- 

 cies present numerous spontaneous hybrids. 



§ 1. Anthers not appendaged ; Jlowers small, in narroiv spikes. 

 * Spikes filiform, with flowers or at least fruits scattered, naked, the inconspic- 

 uous bracts shorter than the calyx. 



V. ofkicjnXlis, L. (European V.) Annual, glabrous or nearlv so, 

 loosely branched {l-3<=> high); leaves pinnatifld or 3-clff}, oblonfj-Ionce'olate, 



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