152 NORTH AMERICAN FLORA [Volume 32 



Seeds very small, the testa foveolate. 65. Bertiera. 



Corolla-lobes imbricate. 



Calyx-lobes unequal, one of them foliaeeous. 66. Otocalyx. 



Calyx-lobes equal or nearly so, not foliaeeous. 



Ovary 4-5-celled. 67. Hamelia. 



Ovary 2-celled. 



Plants unarmed; stamens inserted in the throat of the corolla. 68. Hoffmannia. 



Plants armed with spines; stamens inserted at the base of the 

 corolla-tube. 

 Plants leafless. 69. Phyllacantha. 



Plants leafy. 70. Catesbaea. 



55. POSOQUERIA Aubl. PI. Guian. 133. 1775. 



Ramspekia Scop. Introd. 14.5. 1777. 



Cyrtanthus Schreb. Gen. 122. 1789. 



Solena Willd. Sp. PI. 1: 961. 1797. Not Solena Lour. 1790. 



Posoria Raf. Ann. Gen. Sci. Phys. 6: 80. 1820. 



Stannia Karst. Ausw. Gew. Venez. 27. 1848. 



Trees or shrubs, glabrous or pubescent, with terete branchlets. Leaves opposite, petiolate, 

 coriaceous. Stipules large, intrapetiolar, deciduous. Flowers in terminal corymbs, large, 

 white or red, the pedicels ebracteate; hypanthium obovoid; calyx short, 5-dentate, usually 

 persistent; corolla-tube elongate, slender, the throat scarcely dilated, glabrous or villous, the 

 limb gibbous in bud, 5-lobate, the lobes oblique, obtuse, contorted. Stamens 5, inserted in 

 the throat of the corolla ; filaments glabrous or pilose, erect or curved ; anthers basifixed, linear- 

 oblong, acute, pilose, exserted, the connective produced at the base and bifid. Disk annular, 

 swollen. Ovary 1-2-celled; style filiform; stigma small, bifid, included; ovules very numerous, 

 peltate, the placentae stipitate, bilamellate, parietal. Fruit baccate, large, globose or ovoid, 

 fleshy, 1-2-celled. Seeds large, obtusely angulate, the testa membranaceous; endosperm 

 fleshy; embryo small, the cotyledons ovate, the radicle elongate, terete. 



Type species, Posoqueria longiflora Aubl. 



1. Posoqueria latifolia (Rudge) R. & S. Syst. Veg. 5: 227. 1819. 



Solena latifolia Rudge, PI. Guian. 1: 26. 1806. 



Tocoyena latifolia Lam. Encyc. 7: 692. 1806. 



Tocoyena macrophylla H. B. K. Nov. Gen. & Sp. 3: 412. 1820. 



Posoqueria trinitatis DC. Prodr. 4: 375. 1830. 



Posoqueria havanensis DC. Prodr. 4: 375. 1830. 



Solena havanensis D. Dietr. Syn. PI. 1: 799. 1839. 



Posoqueria coriacea Mart. & Gal. Bull. Acad. Brux. II 1 : 240. 1844. 



Stannia panamensis Duchass. & Walp. Linnaea 23: 755. 1850. 



Tocoyena havanensis A. Rich, in Sagra, Hist. Cuba 11:8. 1850. 



Posoqueria panamensis Walp. Ann. 2: 797. 1852. 



Posoqueria macrophylla Hemsl. Biol. Centr. Am. Bot. 2: 39. 1881. 



Tree, sometimes 6 meters high, glabrous throughout, the branchlets stout, with short 



internodes; stipules oval or oblong, 8-15 mm. long, obtuse or acute, green; petioles stout, 8-12 



mm. long, shallowly sulcate above ; leaf-blades mostly oval to oblong, sometimes rounded-oval 



or lance-oblong, 7.5-25 cm. long, 3.5-13 cm. wide, obtuse or rounded at the base, rarely acute, 



acute or abruptly short-acuminate at the apex, rarely rounded, coriaceous, lustrous above, 



the venation prominent or prominulous, dull and slightly paler beneath, the costa stout and 



prominent, the lateral veins prominent, arcuate, about 6 on each side, the margins often 



revolute; corymbs few- or many-flowered, pedunculate, the flowers mostly pedicellate; calyx 



and hypanthium 4-5 mm. long, the calyx shallowly lobate, the lobes rounded, often ciliolate; 



corolla-tube 12.5-16.5 cm. long, 2-4 mm. thick, the lobes oblong or narrowly oblong, 1.5-2.5 



cm. long, obtuse; anthers 6 mm. long; fruit globose, 4-5 cm. in diameter, yellow, umbonate; 



seeds irregularly angulate, about 1 cm. long, black or nearly so, dull. 



Type locality: Guiana. 



Distribution: Oaxaca to Bolivia and Brazil; St. Vincent and Trinidad; Cuba (?). 



Illustrations: Lam. Tab. Encyc. pi. 163, f. 2; Rudge, PI. Guian. pi. 40; Lindl. & Paxt. 

 Fl. Gard. 3: p. 105 (as P. revoluta); Karst. Fl. Columb. pi. 16 (as Stannia grandi flora), pi. 25 (as 

 Stannia metensis); Veil. Fl. Flum. Ic. 3: pi. 9 (as Gardenia suaveolens). 



56. CASASIA A. Rich, in Sagra, Hist. Cuba 11: 9. 1850. 



Trees or shrubs, unarmed, the branchlets terete. Leave? opposite, petiolate, chartaceous 

 or coriaceous, lustrous. Stipules interpetiolar, persistent. Inflorescence terminal, cymose, 



