RUBIACEiE. 331 



28. LUCYA, DC. 



Calyx-limb with 4 (-5) principal and as many secondary segments. Corolla rotate: 

 lobes 4, valvate. Stamens of Oldenlandia. Capsule thin, loculicide at the summit : seeds 

 peltate, hollowed ou their inner face. — A small, filiform, diffuse or c«espitose herb ; flowers 

 white, solitary, shortly peduncled in, the superior axils. 



The seeds are those of Houstonia, from which Lucya is distinguished by the accessory 

 calyx-teeth and the short corolla-tube. 



• 71. I*, tuberosa, DC.—Sio. 06s. I. 1. /. 2 : good. Jacq. Arner. Pict. t. 103 : corolla 

 wrong. — Peplis tetrandra, L. Hedyotis tuberosa, Sw. — A few inches high, perennial by 

 small ovoid tubers on the root-branches, hairy by scattered down, or glabrescent ; leaves 

 petioled, membranaceous, ovate-roundish, or elliptical 2"'-6'" long ; calyx pilose : segments 

 £"' long, nearly as long as the corolla-tube. — Hab. Jamaica {P. Br.), on rocks and among 

 mosses, in dry woods ; [Cuba !, Haiti]. 



Subtribe 8. SPIGELIEM. — Corolla-lobes valvate. Fruit dry, superior, 2-celled. — 

 Stipules connecting the petioles, simple ; stem herbaceous. 



29. MITREOLA, L. 



Calyx 5 -partite : tube adhering to the base of the ovary. Corolla infundibular; lobes 5, 

 valvate. Styles 2, united above, at length separating. Capsule free above the calyx-tube, 

 2-horned: lobes dehiscent along the ventral suture: seeds minute, scrobiculate. — Flowers 

 white, unilateral, in terminal scorpioid cymes. 



72. M. petiolata, Torr., Gray. Annual, glabrous ; leaves membranaceous, ovate-ob- 

 long or ovate-lanceolate, petioled ; flowers subsessile, subcontiguous on the cyme-branches ; 

 capsule obversely deltoid or ovate : lobes erect, diverging at the base. — Petioles of variable 

 length ; capsule 2'" long, 2-lobed to the middle. The East Indian M. oldenlandioides, 

 Wall. (Hook. Ic. t. 827) is scarcely distinct. — Hab. Jamaica !, Pd., Al., in pastures and 

 morasses, S. Marys, Hanover ; [Haiti ! to Martinique ; Texas ! to Venezuela !]. 



73. M. paniculata, A. DC. {non Wall.). Annual, glabrous; leaves membranaceous, 

 elliptical-oblong, pointed, petioled; flowers subsessile, distant on the cyine-branches ; capsule 

 small, lunate-globose : lobes incurved, bluntish. — Hook. Ic. t. 828. — M. petiolata, Benlh. 

 ex parte. — Capsules 1"' diam., 2"' distant from each other.— Hab. Trinidad!, Cr., Pd., in 

 waste places, S. Anns; [Goyaz Q. 



30. SPIGELIA, L. 



Calyx 5-partite. Corolla infundibular . lobes 5, valvate. Style simple, jointed near the 

 middle. Capsule free, at length separating from the indurated disk, didymous: carpids 

 dehiscent along the dorsal line. — Flowers in unilateral, scorpioid spikes or racemes. 



74. S. anthelmia, L. Annual, glabrous ; leaves ovate-lanceolate : pairs distant, 2 

 uppermost approximate ; spikes in the uppermost axils : flowers many, distant ; capsule 

 muricate, exceeding the calyx.— Br. Jam. t. 37./. 3 ; Tuss. Fl. 4. t. 8 ; Desc. Fl. 1. t. 61. 

 — Corolla purplish. — Hab. Jamaica !, Bist., M'Nab, March, Wils., a weed, and cultivated ; 

 Dominica !, Imr., S. Vincent !, Guild. ; Trinidad !, Cr. ; [Cuba ! to Brazil !]. 



Tribe II. COFFEACEsE.—Ocary-cellsl-ovulate. 



Subtribe 1. GUETTARDEJE. — Ovules pendulous. Seed* exalbuminous, mostly cylin- 

 drical, operculate with the enlarged funiculus : radicle long, with short cotyledon*. 

 Pericarp drupaceous. Corolla-lobes mostly imbricaiive. — Inflorescence usually axillary. 



31. GUETTARPA, Vent. 



Calyx-limb truncate or obsoletely denticulate, at length deciduous. Corolla salver-shaped, 

 externally pnbescent : lobes 6-4 (-9), imbricative. Anthers linear, subsessile below the 

 rorolla-throat, wholly included, rarely subincluded. Stigma capitate. Drupe 6-3(-9)- 



