RUBIACE^E. XXXI. TOCOYENA. XXXII. POSOQUERIA. 



493 



long tube, a naked dilated throat, and a 5-parted spreading 

 limb ; the lobes obtuse. Anthers rising from the throat of the 

 corolla, exserted, linear-sagittate, furnished each with a blunt 

 appendage at the base ? Style filiform, fusiform at the apex ; 

 stigma clavate, bilamellate. Berry rather fleshy, 2-celled, 

 crowned. Seeds numerous, roundish-ovate, imbedded in soft 

 pulp. Unarmed shrubs or undershrubs. Leaves opposite, on 

 short petioles. Stipulas triangular or ovate. Flowers terminal, 

 corymbose. 



1 T. LONGIFLO'RA (Aubl. guian. 1. p. 131. t. 50.) stem tetra- 

 gonal, quite simple ; leaves lanceolate-oblong, acuminated at 

 both ends, glabrous ; flowers almost sessile, aggregate. Tj . S. 

 Native of French Guiana, at Araura. Lam. ill. t. 163. f. 1. 

 Ucriana speciosa, Willd. spec. 1. p. 961. Tocoyena longifolia, 

 Poir. diet. 7. p. 602. but not of Kunth. Leaves a foot long, 

 and 4-5 inches broad. Corolla 8-9 lines long, with the tube 

 yellow, and the limb white. Stipulas triangular. 



Long-flowered Tocoyena. Clt. 1826. Shrub 3 to 6 feet. 



2 T. MACROPHY'LLA (H. B. et Kunth, nov. gen. amer. 3. p. 

 412.) branches tetragonal ; leaves broad-ovate, short-acumin- 

 ated, glabrous ; Stipulas roundish, coriaceous ; flowers ter- 

 minal, racemose, tj . S. Native of South America, on the 

 banks of the river Magdalena, between Monpox and El-Penon, 

 and near Honda. Ucriana insignis, Willd. rel. Spreng. syst. 1. 

 p. 761. exclusive of the synonyme of Lam. T. insignis, Rcem. 

 et Schultes, syst. 5. p. 229. 



Large-leaved Tocoyena. Shrub. 



3 T. LONGIFO'LIA (H. B. et Kunth, nov. gen. amer. 3. p. 411. 

 but not of Poir.) branches terete ; leaves ovate-oblong, acute, 

 glabrous, shining, with revolute margins ; Stipulas ovate, acu- 

 minated ; flowers racemose ; teeth of calyx short, acute. 1? . S. 

 Native of New Granada, in hot places. Ucriana Humboldtii, 

 Spreng, syst. 1. p. 761. 



Long-leaved Tocoyena. Shrub. 



4 T. MUTISII (H. B. et Kunth, nov. gen. amer. 3. p. 411.) 

 branches terete ; leaves oblong, acutish, glabrous, shining, with 

 somewhat revolute margins'; Stipulas ovate, acuminated; flowers 

 terminal, corymbose ; teeth of calyx short. ^ . S. Native of 

 New Granada, in hot places. Ucriana Mutisii, Spreng. syst. 1. 

 p. 761. 



Mutis's Tocoyena. Shrub. 



5 T. HIRSU TA (Moricand, herb, ex D. C. prod. 4. p. 375.) 

 leaves elliptic, ending each in a short cuspidate point, clothed 

 with villous down above, and with soft velvety hairs beneath. 

 1j . S. Native of Brazil. Tube of calyx 4 inches long. 



Hairy Tocoyena. Shrub. 



Cult. See Oxydnthus, p. 494., for culture and propagation. 



XXXII. POSOQUE'RIA (Aymara-posoqueri is the name 

 of the first species by the natives of Guiana). Aubl. guian. 1. 

 p. 134. t. 51. Lam. ill. t. 163. Juss. mem. mus. 6. p. 369. 

 D. C. prod. 4. p. 375. but not of Roxb. Blume, nor Gaertn. 

 Tocoyena species, Rich. Kyrtanthus, Gmel. syst. 1. p. 362. 

 Cyrtanthus, Schreb. gen. no. 302. but not of Ait. Solena, 

 Willd. spec. 1. p. 961. but not of Lour, nor HofFm. nor Agardh. 

 Posoria, Rafin, ann. gen. sc. ph. 6. p. 80. 



LIN. SYST. Penlandria, Monogynia. Calyx with an obovate 

 tube, and a short 5-toothed limb. Corolla funnel-shaped, with a 

 very long terete tube, a villous hardly dilated throat, and a 

 5-parted limb ; the segments spreading, obtuse, and nearly 

 equal ; the alabastra gibbous on one side. Stamens 5, rising 

 from the throat of the corolla, free, unequal, a little exserted. 

 Style filiform, slender, and bifid at the apex : with the lobes 

 unequal, rather papillose and acute. Berry ovate, crowned by 

 the calyx, succulent, 2-celled, many-seeded. Seeds unknown. 



Glabrous shrubs or small trees, natives of Guiana. Branches 

 terete. Leaves opposite, on short petioles, coriaceous. Sti- 

 pulas oblong-triangular, at length falling off. Flowers white, 

 very long, disposed in terminal corymbs. 



1 P. LONGIFLO V RA (Aubl. guian. 1. p. 134. t. 51.) leaves 

 oblong, acuminated, acute at the base ; Stipulas oblong ; calyx 

 bluntly 5-toothed ; tube of corolla very much incurved, and 

 nutant at the apex. T? . S. Native of French Guiana, on the 

 banks of rivers. Lam. ill. 1 63. Solena longiflora, Willd. spec. 

 1. p. 961. Kyrtanthus longiflorus, Gmel. syst. 1. p. 162. 

 Corolla white, with the tube very long, and green at the base ; 

 and the hairs in the throat are very long. Berry yellow, about 

 the size of a hen's egg. Seeds 12, imbedded in the red pulp, ac- 

 cording to Aublet. The limb of the corolla is said to be regular. 

 Corymbs composed of about 6 flowers ; and the flowers are 

 pedicellate and scaly at the base from bracteas. 



Long flowered Posoqueria. Clt. 1820. Shrub 5 to 6 feet. 



2 P. LATIFOLIA (Roam, et Schultes, syst. 5. p. 227.) leaves 

 ovate, acuminated, obtuse at the base, or a little cordate ; Sti- 

 pulas broad, triangular ; calyx bluntly 5-toothed ; tube of co- 

 rolla straight : and the limb irregular ; alabastra gibbous on 

 one side. T? . S. Native of French Guiana and Brazil. So- 

 lena latifolia, Rudge, guian. 1. p. 26. t. 40. Tocoyena lati- 

 folia, Lam. ill. t. 163. f. 2. Poir. diet. 7. p. 692. Corolla 

 white, with the tube 4 inches long. 



Broad-leaved Posoqueria. Clt. ? Shrub 5 to 6 feet. 



3 P. DECO'RA (D. C. prod. 4. p. 375.) leaves ovate, ending 

 each in a short cuspidate point, obtuse and rather cordate at 

 the base ; Stipulas oval, obtuse, large, foliaceous, and coriaceous ; 

 calyx bluntly 5-toothed; tube of corolla straight; alabastra 

 rather gibbous on one side. Jj . S. Native of French Guiana. 

 Allied to P. latifolia, but differs from all the species in the form 

 of the stipulas. Tube of corolla 3-4 inches long. Flowers 

 terminal, corymbose. 



Neat Posoqueria. Shrub. 



4 P. TRINITA'TIS (D. C. prod. 4. p. 375.) leaves ovate, 

 on short petioles, ending in short cuspidate points, obtuse at 

 the base and subcordate ; stipulas oblong, bluntish, membra- 

 nous and foliaceous, and sheathing a little ; calyx bluntly 5- 

 toothed. fj . S. Native of the Island of Trinidad. Sieb. fl. 

 trin. exsic. no. 215. without a name. Tube of corolla slender, 

 4^ inches long. Corollas white. 



Trinidad Posoqueria. Shrub 5 to 6 feet. 



5 P. HAVANE'NSIS (D. C. prod. 4. p. 375.) leaves oval, acute, 

 membranous, bluntish at the base ; stipulas lanceolate, acute ; 

 calyx bluntly 5-toothed ; tube of corolla straight ; alabastra 

 gibbous on one side. J? . S. Native of Cuba, about the Ha- 

 vannah. Tube of corolla slender, 4^ inches long. Petioles 6 

 lines long. 



Havannah Posoqueria. Shrub 5 to 6 feet. 



6 P. GRA'CILIS (Rcem. et Schultes, syst. 5. p. 277.) leaves 

 oval-lanceolate ; stipulas oblong ; calyx acutely 5-toothed ; tube 

 of corolla curved, and the limb irregular, fj . S. Native of 

 French Guiana, in remote woods, from the river Darapa to Kaw. 

 Solena gracilis, Rudge, pi. guian. p. 27. t. 41. It differs from 

 P. longiflora in the character given, and in the slender nerves 

 of the leaves. Flowers white, 4-5 in a corymb. 



<S7e<fer-flowered Posoqueria. Clt. 1825. Shrub 5 to 6 ft. 



7 P. REVOLU V TA (Nees, in flora, 1821. p. 328. Schrad. gcett. 

 anz. 1821. p. 714.) leaves elliptic-ovate, each ending in a short 

 cuspidate point, with revolute margins ; stipulas deciduous ; 

 corymbs dense ; tube of corolla straight : throat villous, and 

 limb irregular. I? . S. Native of Brazil. P. insignis, Neuw. 

 in flora. 1821. p. 301. in reis. bras, with a figure. Flowers 

 white. 



Jievolute-leaved Posoqueria. Shrub 5 to 6 feet. 



