260 MELASTOMACE.E. 



vate, i'" long ; berry yellow, 1'" diam. — Hab. Jamaica (SI.) ! ; Trinidad, Fd., Cr., in 

 mountain woods ; [Central America, Guiana, Brazil]. 



65. Ch. longifolia, Or. Glabrous or glabrescent ; leaves oblong-lanceolate, acumi- 

 nate, triplinerved, entire or repand, concolor ; panicle powdery, trichotomous, exceeded by 

 the uppermost leaves ; flowers clustered. — Aubl. t. 170. — Melastoma, Aubl. Micouia, DC. 

 M. Lambertiana, DC. M. longifolia, 0, Naud. — Leaves 4"-8" long, l"-3" broad, turning 

 black in drying, tapering at the base, quite glabrous, or the younger ones with a few scattered, 

 stellate hairs beneath : the lateral ribs separating only 1'" above the base. — The materials, 

 communicated by Air. Crueger, are incomplete, and the flowers in too young a state to be 

 examined : but according to an original specimen, which I have compared in the British 

 Museum, Crueger's determination of the species is correct.— Hab. S. Vincent ; Trinidad!, 

 Cr. ; [Guiana!, Brazil]. 



14. PLEUROCH^NIA, Gr. 



(Miconise sp., Naud.) 



Calyx campanulate •. limb reduced •. teeth bluntish. Anthers 10, ovoid-oblong, hanging 

 from the deeply iuflexed filament above the ovary : cells distinct, each bursting (before anthe- 

 sis) by a longitudinal fissure. Ovary adherent, crowned at the top with a glabrous neck, en- 

 circling the base of the style. Seeds pyramidal. — Shrubs, not hispid: branchlets com- 

 pressed-tetragonal ; leaves leathery, glabrous, petioled ; panicle terminal: peduncles arti- 

 culated at the top, \-few-flowered ; berry not furrowed. 



66. PI. rigida, Gr. Leaves rigid, ovate, bluntish at the top, subcordate at the base, 

 3-nerved ; panicle loose, rusty -tomentose : branches corymbiform and peduncles single- 

 flowered ; petals clawed ; ovary 3-locular: style thickish, with a minute stigma. — Mela- 

 stoma, Sw. ! Cremanium, Mac/. — A shrub, 4'-6' high ; leaves 3"-6" long, thick, like those 

 of Pachymeria, either pointed or rounded at the top, subentire, perfectly glabrous, but 

 somewhat roughish on the margin and sometimes upon the under side of the ribs : petiole 

 rusty-tomentose, 8"'-2'" long ; calyx rusty-tomentose and glandular : teeth rounded ; petals 

 white, leathery, ovate, about the length of the calyx, 2V long •, anthers without append- 

 ages ; berry 3"'-4"' diam., crowned with the persistent calyx-limb. — Hab. Jamaica !, on the 

 summit of the Blue Mountains, Mac/., M'Nab. 



67. PI. quadrangularis, Gr. Leaves flexible, oblong-lanceolate, acuminate, rounded 

 or tapering at the base, 3-nerved ; panicle erect, glabrous: branches racerniforin, rigid, and 

 peduncles bearing a single or three clustered, bracteolate flowers ; ovary 5-locular : style 

 thickened upwards, with the stigma capitate. — Melastoma, Sw. ! Cremanium, DC. Mico- 

 nia, Naud. .- the analysis of the anther and the ovary incorrect. Chamopleura, Mac/. — A 

 shrub, 12' high ; leaves 34"-6" long, entire, with a narrow tapering point, paler beneath, 

 glabrous: petiole 6"'-18'" long, ribs reddish; calyx glabrous, 2'" long: teeth triangular ; 

 petals oval, rather shorter than the length of the calyx, " white, with a yellow tinge ;" an- 

 thers tubercled at the base on the posterior side ; berry 2'" diam., purple, pruinose. — Hab. 

 Jamaica 1, in the Blue Mountain range, Mac/., Pd., At., Wilt., March. 



15. OCTOPLEURA, Gr. 



(Sagrsesc sp., Naud.) 



Calyx shortly campanulate : limb reduced : teeth 4, short or obsolete. A nthers 8, ellip- 

 tical-oblong, inflexed above the ovary, produced at the base into a short, conical spur : cells 

 distinct, each opening with a terminal pore. Ovary adherent, crowned at the top by a 

 glabrous, furrowed neck. Berry 8-ribbed : ribs longitudinal, prominent. Seeds pyrami- 

 dal. — A low shrub, not hispid ; leaves petioled ; cymes corymbi/orm, axillary: pedicels 

 jointed at the top ; petals 4, bluntish at the taper-pointed top, jorming a bluntly conical 

 body in the bud. 



This genus, peculiar to the hills of Jamaica, has the habit of some species of Cremanium, 

 but is quite distinct from that genus by the structure of the stamens, forming an intermediate 

 link towards Miconia. 



68. O. micrantha, Gr. Branches and petioles powdery, glabrescent ; leaves glabrous, 

 elliptical, triplinerved ; cymes equalling the petiole ; ovary 4-locular : style fusiform, with a 



