106 NORTH AMERICAN FLORA [Volume 32 



oblong, 3-5 mm. long, obtuse or acutish, glabrous within, ascending; anthers nearly sessile 



or on elongate filaments, included or exserted, 1.5-2.5 mm. long; style exserted. 



Type locality: Described from cultivated plants of Mexican origin. 

 Distribution: Guanajuato to Oaxaca. 

 Illustration: Bot. Reg. 3: pi. 245. 



13. Bouvardia Conzattii Greenman, Proc. Am. Acad. 39: 92. 



1903. 



Shrub, the branches slender, grayish or brownish, minutely puberulent or glabrous when 

 young; stipules 3-7 mm. long; leaves opposite, the petioles 2 mm. long or shorter, the blades 

 ovate or ovate-lanceolate, 1.5-4 cm. long, 0.5-2 cm. wide, rounded or obtuse at the base, 

 acute to attenuate at the apex, yellowish-green above, puberulent or glabrate, paler beneath, 

 puberulent along the veins; inflorescence terminal, cymose, few-flowered, the flowers short- 

 pedicellate; hypanthium hemispheric, 1.5 mm. long, glabrate; calyx-lobes linear, acute, 3-5 

 mm. long, hirtellous; corolla red or yellowish-red, glabrous outside, 1.3-1.5 cm. long, the tube 

 bearing a ring of hairs within above the base, the lobes deltoid-ovate, 2 mm. long; anthers 

 subsessile, included. 



Type locality: Oaxaca, at an altitude of 1,750 meters. 

 Distribution: Oaxaca. 



14. Bouvardia chrysantha Mart. Hort. Monac. Sem. 1848: 

 4.1848. Linnaea 24: 194. 1851. 



? Bouvardia quinqueflora Dehnh.; Walp. Rep. 2: 507. 1843. 

 Bouvardia myrlifolia Schlecht. Linnaea 26: 121. 1854. 



Shrub, the branches stout, terete or subangulate, brown or grayish, glabrous or sparsely 

 villous when young; stipule-sheath short, long-cuspidate, glandular-dentate; leaves opposite, 

 sessile or subsessile, the blades lance-oblong, oblong, or broadly ovate, 1-4 cm. long, 0.5-1.5 

 cm. wide, obtuse to truncate at the base, acute or obtuse at the apex, rather thick, bright- 

 green above, glabrous or scaberulous, paler and yellowish beneath, glabrous or sparsely villo- 

 sulous, the lateral veins mostly obsolete; inflorescence terminal, cymose, dense, 3-many- 

 flowered, the pedicels 3 mm. long or shorter; hypanthium hemispheric, 1.5-2 mm. long, usually 

 glabrous, sometimes sparsely short- villous; calyx-lobes linear or lanceolate, 4-8 mm. long, 

 glabrous or sparsely villous; corolla yellow, glabrous outside, the tube about 2.5 cm. long, 

 tapering from top to base, 3-4 mm. thick above, sparsely villous within, the lobes broadly 

 ovate, 2-4 mm. long, obtuse or acutish, erect or ascending, glabrous within; anthers nearly 

 sessile, 2-2.5 mm. long, usually included; style included. 



Type locality: Near Santiaguillo, Mexico (state). 

 Distribution: Jalisco and Colima to Morelos. 



15. Bouvardia laevis Mart. & Gal. Bull. Acad. Brux. 

 II 1 : 236. 1844. 



Bouvardia flava Decaisne, Fl. Serres 1: 90. 1845. 

 Bouvardia tnollis Linden; Schlecht. Linnaea 26: 85. 1854. 



Branched shrub, the branches slender, subangulate; grayish, glabrous or sparsely puberu- 

 lent; stipule-sheath short, long-cuspidate, often pluriaristate; leaves opposite, the petioles 

 slender or stout, 2-5 mm. long, glabrous or puberulent, the blades ovate, lance-ovate, or broadly 

 ovate, 3.5-10.5 cm. long, 1.2-4.8 cm. wide, rounded or truncate at the base, acute to long- 

 attenuate at the apex, very thin, bright-green above, glabrous or minutely scaberulous, slightly 

 paler beneath, glabrous or nearly so, the lateral veins evident, arcuate; inflorescence terminal, 

 3-7-flowered, cymose, the pedicels slender, 6-28 mm. long, usually glabrous; hypanthium 

 hemispheric, 1.5-2 mm. long, glabrous or rarely sparsely puberulent; calyx-lobes linear, 6-11 

 mm. long, ciliolate; corolla red or yellow, glabrous outside, the tube 2.5-3.2 cm. long, tapering 

 from top to base, 3.5-4.5 mm. thick above, villous within near the base, the lobes broadly 

 ovate or ovate-oblong, 4-6 mm. long, obtuse or acutish, erect or ascending, glabrous within; 

 anthers sessile, included, 2.5-3 mm. long; style included or exserted. 



Type locality: Ravines near Zacuapan, Veracruz, altitude 900 meters. 

 Distribution: Mountains of Hidalgo and Veracruz. 

 Illustrations: Fl. Serres 1: pi. opp. 90; Bot. Reg. 32: pi. 32. 



