VERBENACEiB. 493 



Seeds exalbuminoiis -. radicle mostly inferior. — Leaves umally opposite or whorled, exstipu- 

 late ; flowers centripetal or in. centripetal cymes. # 



In Verhenacem there are less volatile oils than in JCatote,' though several are used as 

 aromatic astringents {Staclajtarpha, Lantana) ; Cornutia is regarded as an antidote against 

 poison. This Order affords excellent timber-trees, e.g. (Mharexylon and Petitia (both 

 called fiddle-wood), Vitex (box-wood) : Avicennia (the olive mangrove) is employed for 

 building purposes. 



Tkibe I. VERBENlSJi}. — Ooules erect. — Inflorescence simply centripetal. 



1. TAMONEA, Aubl. 



Cahjx 5-dentate : teeth distant. Corolla 2-lipped. Stamens included, didynamous : 

 connective of the superior ones bearing a large, dorsal gland. Stigma capitate. Achenium 

 4-celled. — Racemes spiciform, axillary, few-flowered. 



1. T. verbenacea, Sw. Suffratescent, branched, virgate, scabrous ; inferior leaves 

 small, oblong, pinnatifid-serrate, superior often linear, entire ; flowers shortly pedicellate, 

 distant, alternate ; achenium 4-spinose at the summit : spines subuliform, spreading. — Sw. 

 Fl. t. 21. flg. sup. : analyt. — Ghinia, Sw. — 1'-3' high ; inferior leaves 4"'-3"', superior 

 6"'-I3"', whitish corolla 3'" long.— Hab. Antigua !, Nichols., WullscU. ; [Curayao], 



2. PRIVA, Juss. 



Calyx 5-dentate. Corolla obliquely 5-lobed : limb short, spreading. 5;!a»!OTJ included, 

 didynamous. Stigma lateral, compressed. Fruit 2-coccou3 : nutlets 2-celled or l-ceUed by 

 abortion. — Herbs ; flowers distantly alternate, in spiciform, terminal racemes. 



2. P. echinata, Juss. Hispidulous, slender ; leaves ovate, pointed, serrate or crenate, 

 contracted into the petiole ; calyx ventricose in fruit : down uncinate ; nutlets %-celled, 

 muricate, flattish at the commissure: spines distichous, spreading. — 5/. t. 110./. 1. Jacq^. 

 Amer. Fict. t. 9. — Verbena lappulacea, L. P. mexicana, Sieb. Mart. 816! — 1'-3' high; 

 leaves 3"-l", pale-blue coroUa 2'" long. — Hab. Jamaica!, Wullschl., Al., March, a weed ; 

 Antigua I, Wullschl., Dominica I, Imr., S. Lucia !, Anders., S. Vincent !, G-uild. ; Trinidad I, 

 Lockh., Cr., very common ; [Cuba ! and Mexico ! to Brazil I]. 



3. VERBENA, L. 



Calyx S-dentate : one tooth usually shorter. Corolla obliquely 5-lobed. Stamens in- 

 cluded, didynaraous(-2). Stigma blunt, with a second abortive lobe. Fruit 4-coccous, 

 included.— Herbs ; flowers sessile, usually spilcate. 

 y 3. V. urticifolia, L. Tall, scabrous with scattered, hispidulous down ; leaves ovate 

 or ovate-lanceolate, contracted into the petiole, coo^rfy serrate; spilnes filiform, compound: 

 flowers distant ; bracts two-thirds as long as the small calyx ; connective naked. — 3-1' 

 high ; coroUa whitish, 2'" long. — Hab. Jamaica !, all coll., a weed ; [Canada! to Mexico ! ; 

 Haiti!]. 



4. BOUCHEA, Cham. 



Calyx long-tubniar, 5-dentate. Corolla obliquely 5-lobed. Stamens included, didy- 

 namous. Stigma oblique, subcompressed, with a second abortive lobe. Fruit 2-coccous : 

 nutlets linear, 1-seeded, — Herbs; flowers in spiciform racemes. 



4. B. Ehrenbergii, Cham. Annual, erect, slightly puberulous; leaves ovate, coarsely 

 serrate above the base, petioled; racemes slender : flowers at length distant, shortly pedicel- 

 late : bracts about half as long as the calyx ; calyx-teeth subulate-setaceous ; nutlets shortly 

 exserted.—Jacq. Ic. Rar. i. 208.— Verbena prismatica, L. (Stacbytai-pba, T. ).— 1'-2' high ; 

 pedicels i'", calyx 3'", at length 4'", coroUa-tube 5'", nutlets 5'" long; flowers hght-piu-ple 

 or violet.— Hab. Jamaica!, all coU., a common weed; Antigua!, Wullschl.; [Haiti!; 

 Mexico ! to Venezuela! and New Granada!]. 



2k2 



