RUBIACE^. 331 



28. LUCYA, DC. 



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

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

 peltate, hollowed on their inner face. — A small, filiform, diffuse or osespitose herb ; flowers 

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



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

 calyx-teeth and the short corolla-tube. 



71. Ii. tuberoBa, DC. — Sw. 06s. t. 1. /. 2 : good. Jaeq. Amer. Fict. t. 103 : corolla 

 wrong. — Peplis tetrandra, L. Hedyotis tnberosa, Su). — 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 elUptical 2"'-6"' long ; calyx pilose : segments 

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

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



Subthibe 8. SPIGELIEA — Corolla-lobes valvate. Fruit dry, superior, 2-eelled. — 

 Stipules connecting the petioles, simple ; stem herbaceous. 



29. MITREOLA, I. 



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 Jthe 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-lanceolat«, petioled ; flowers subsessile, subcontiguous on the cyme-branches ; 

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

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

 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 cyme-branches ; capsule 

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

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

 waste places, S. Anns; [Goyaz !]. 



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. 

 y' 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.— 5r. Jam. t. 37./. 3 ; "Pass. Fl. 4. ^. 8 ; Desc. Fl. 1. t. 61. 

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

 Dominica!, /mr., S: Vincent !, Guild.; Trinidad!, Or.; [Cuba! to Brazil!]. 



Tribe II. COFFBACFM.-~-Ovary-cells l-ovulate. 



SUBTBIBE 1. GUETTARDEM — Ovules pendulous. Seeds exatbuminous, mostly cylin- 

 ■drical, opermlate with the enlarged funiculus : radicle long, with short cotyledons. 

 Pericarp drupaceous. Corolla-lobes mostly imiricadve.—Ia&oiescence usually axillary. 



31. GUETTARDA, rent. 



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

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

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



z 



