366 VEE'BENACEAE. 



ovate-lanceolate or lanceolate, acuminate, 5-7 mm. long; calyx compressed, 

 2-cleft; corolla purple; fruit obpyriform, about 6 mm. long. 



Rocky plains and scrub-lands, Great Bahama, Rose Island, Cay north of Wide 

 Opening, Eleuthera, Rum Cay, North Caicos, Grand Turk, Cotton Cay and Inagua. 

 Endemic. BAHAMA VERVAIN. 



2. Valerianoides jamaicensis (L.) Kuntze, Eev. Gen. PI. 509. 1891. 



Verbena jamaicensis L. Sp. PI. 19. 1753. 



Stachytarpheta jamaicensis Vahl, Enum. 1: 206. 1805. 



Abeno, jamaicensis Hitchc. Eep. Mo. Bot. Gard. 4: 117. 1893. 



Annual, often purplish, with sparingly pubescent or glabrate foliage. 

 Leaves alternate or opposite, oblong, ovate or oval, 2-8 cm. long, coarsely 

 serrate, narrowed at the base, the petioles margined, as long as the blades or 

 shorter; spikes stiff, 1.5-5 dm. long; bracts imbricated, lanceolate to oblong- 

 lanceolate, acuminate, serrulate, 5-8 mm. long; flowers in depressions of the 

 rachis; calyx-lobes triangular or triangular-ovate; corolla blue, somewhat 

 irregular, 8-11 mm. long, its tube slightly curved, the limb 8 mm. broad; 

 nutlets 3 mm. long, buried in the rachis. 



Waste places, coppices and scrub-lands, throughout the archipelago from Great 

 Bahama and the Berry Islands to Andros, East Caicos, Grand Turk and Inagua : 

 Bermuda : Florida : West Indies, and continental tropical America ; Old World 

 tropics. JAMAICA VERVAIN. BLUE-FLOWER. 



2. BOUCHEA Cham. Linnaea 7: 252. 1832. 



Herbs or low shrubs, with opposite petioled toothed leaves, and small 

 flowers in terminal bracted spikes or narrow racemes. Calyx tubular, 5- 

 toothed, 5-ribbed, cylindric in fruit. Corolla-tube cylindric, slender, the limb 

 obliquely spreading, 5-cleft, the lobes nearly equal. Stamens 4, didynamous, 

 borne on the corolla-tube at or above* the middle; filaments short; anthers 

 ovate. Ovary 2-celled; ovules 1 or 2 in each cavity, erect; style filiform, sub- 

 clavate above. Fruit linear or oblong, dry, enclosed in the calyx, separating 

 into 2 linear nutlets. [Commemorates P. C. Bouche and C. D. Bouche, German 

 gardeners.] About 15 species of tropical and warm temperate regions. 

 Type species: Verbena Pseudogervao St. Hil. 



1. Bouchea prismatica (IL.) Kuntze, Eev. Gen. PI. 502. 1891. 



Verbena prismatica L. Sp. PI. 19. 1753. 



Bouchea Ehrenbergii Cham. Linnaea 7: 253. 1832. 



Annual, erect, simple or few-branched, finely pubescent, 2-5 dm. high, the 

 branches ascending. Leaves ovate, slender-petioled, 2-6 cm. long, serrate all 

 around, acute at the apex, obtuse or subtruncate at the base; racemes narrow, 

 elongated, often 2 dm. long or longer; pedicels very short, about 1 mm. long, 

 erect; calyx narrowly cylindric, appressed to the axis of the raceme, about 10 

 mm. long, its teeth linear-subulate, about one-third as long as the tube; corolla 

 violet or purplish, about 10 mm. long; fruit a little longer than the calyx. 



A weed in waste places, New Providence and Cat Island : Cuba to St. Thomas 

 and Antigua ; Barbadoes ; Jamaica ; Curagao ; Mexico to Venezuela. NARROW-FRUITED 

 VERVAIN. 



3. PRTVA Adans. Fam. PL 2: 505. 1763. 



Perennial caulescent herbs. Leaves opposite, membranous, toothed, the 

 flowers in slender peduncled racemes. Calyx-tube 5-ribbed; lobes 5. Corolla 



