RUBIACE^. 823 



incumbent. Stigma bilamellar. Capsule oblong, loculicide from the middle upwards and 

 downwards : valves united at the toj) : seeds minute, parallel to the placenta, peltate, com- 

 pressed, margined, tailed at both ends. — Leaves petioled: stipules /ar^«, deciduous ; corymbs 

 t» terminal and axillary peduncled panicles. 



33. M. jamaicense, L. Glabrous j leaves large, obovate, nearly as long as the axil- 

 lary peduncles ; calyx-teeth minute, distant ; corolla greenish-white : tube clavate : lobes 

 reduplicate in the bud, ovate-roundish. — Sw. 06s. t. 3./. 1. — A shrub, 10-15' high {Pd.), 

 or a tree (^Maef.) ; leaves 6"-10", corolla-tube 6'", lobes 14'", capsule 1" long, the latter 

 tapering at the base ; flowers odorous. — Hab. Jamaica !, Bancr., M'Nab, Al., Pd., in moist 

 woods along rivers, S. Thomas i. V., S. Marys, and southern districts ; [Guadeloupe]. 



16. CHIMARRHIS, Jacq. 



Calyx-limb truncate. Corolla rotate: segments 5 (-6), oblong, bearded below the middle 

 within, valvate. Stamens exserted, inserted into the corolla-throat : filaments villous below : 

 anthers incumbent. Stigma 2-lobed. Capsule small, obovate-roundish, septicide at the top : 

 valves at length 2-fid : seeds minute, oval-roundish, reticulated, margined, compressed, pa- 

 rallel to the placenta. — Habit and inflorescence of Macrocnemum, but corymbs m.ore con- 

 tracted, fastigiate ; stipules deciduous,- acuminate. 



34. C. cymosa, Jacq. Branchlets angular, at length cylindrical j leaves obovate-oblong 

 or elliptical, pointed, tapering into the petiole, glabrous, nearly as long as the long-peduncled 

 panicles; capsule bluntish at the base. — A large tree, 50'- 60' high; leaves 6"-1 2" long ; 

 flowers odorous, whitish-green ; corolla 2'" long. — Hae. Jamaica !, Macf., Al., Wils., 

 March, aloug river-banks ; Antigua I, Ponthieu ; Dominica I, Imr. ; S. Vincent !, Anders., 

 Guild. ; [Cuba 1 ; French islands I]. 



SuBTBiBE 6. BONBELETIE^. — Corolla-lobes imbricative. Capsule 2-celled. — 

 Stipules interpetiolar. 



17. COUTAKEA, Aubl. 



Calyx-limb 6(5-7)-partite. Corolla infundibular, unequal below : lobes imbricative. 

 Stamens exserted, free from the corolla : anthers linear, erect. Style subentire. Capsule 

 septicide, at length loculicide above : seeds surrounded with a large, entire, oblong, wing. — 

 Trees or shrubs ; flowers large, ternate-single, terminal. 



35. C s^ecioaa,, Aubl. Branchlets glabrous ; leaves ovate or elliptical-oblong, sub- 

 acute at the base, glabrous above, glabrescent beneath : segments of the calyx-limb subulate- 

 filiform ; corolla-lobes ,ovate, pointed, much shorter than the curved, clavate, glabrous tube ; 

 capsule elliptical, acute at the base. — Aubl. t. 122 ; Jacq. Amer. Pict. t. 65. — Portlandia 

 hexandra, Jacq. — Leaves l"-3" long, variable, pointed or blunt ; corolla pale-rosy : tube 

 l"-2", lobes about 4'" long ; anthers 6'" long ; capsule subcompressed, usually black, with 

 white points, 8"'-12"' long. — Hab. Trinidad!, &'rf. Tr. 35, Lockh., Pd., Cr. ; [Yucatan!, 

 Panama I, New Granada I, Venezuela !, Guiana I, Brazil !]. 



18. EXOSTEMMA, DC. 



Calyx-limb 5 (-4) --pmiite. CbroWa salver-shaped : tube filiform-cylindrical : lobeslinear, 

 slightly imbricative, 2 exterior. Stamens of Couiarea. Style filiform : stigma Ihickish. 

 Cajsrefe septicide : valves entire or at length 2-fid: seeds oval, winged.— Woody plants ; 

 flowers in terminal corymbs or axillary. 



An anomalous congener is Catesbaa Yavassorii, Spreng., of Haiti, Schomb. It has a 4- 

 lobed corolla, minute leaves, and spinescent branchlets. 



36 B. floribundum, R. S. Glabrous ; leaves elliptical or oblong ; flowers in a co- 

 rymbose panicle : pedicels as long as the cylindrical calyx-tube ; coroUa-tube nearly as long 

 as the lobes; capsule lanceolate-oblong, smooth.— Lamb. Gnch. <• 7 ;■»«*«• -J^*- 1- *■ }^~ 

 Cinchona, Sw.-A high tree; leaves 4"-6", pedicels 4'", corolla-tube 14"'-6", capsule 6'" 

 tdng ; flowers pale-red.— Hab. S. Lucia (Sw.), Dominica !, Imr., S. Vmcent !, Guild., m 

 mountain-woods ; [Haiti, French islands]. 



