' MELASTOMACE^. 45 



(Eubertalonia), anteriorly and posteriorly shortly spurred (Diplarpea), 

 spurred posteriorly downwards and furnished with an ascending 

 appendage {Aulacidium'), sometimes only posteriorly spurred (Sal- 

 pinga 2), or with an anterior obtuse linear appendage {MonoUiia ') ; 

 anterior appendages of connective 2, equal (Diolena) or more rarely 

 {Trioleiia *) 2, 3, equal or more or less unequal.' Germen 3-locular, 

 free or at base more or less adnate to receptacle ; placenta short, 

 thick, or rarely narrower oblong obUquely ascending.' Capsule some- 

 times crowned with persistent style, 3-quetrous, 3-gonal, or 3-alate, 

 enclosed by receptacle, vertically depressed or widely hollowed, and 

 often with 3 thick rigid scales bordering the depression ; seeds straight, 

 oblong, obovoid or pyramidal. Herbs, sometimes slender, glabrous 

 or variously pilose, ciliate or crinite ; stem often simple or sparsely 

 ramose, generally short or very short, rather fleshy ; leaves entire or 

 serrate, sometimes unequal, 3-5- or more rarely 7-nerved ; flowers ' 

 at summit of scape in cymes often furcate, generally scorpioid. 

 (Trop. South America, Mexico.^) 



17 ? Gravesia Naud.' — Flowers (nearly of Bertolonia) 5-merous ; 

 receptacle turbinate or campanulate, produced beyond the germen 

 more or less adnate within. Calyx dilated, truncate or 6-dentate, 

 deciduous. , Petals 5, ovate or obovate. Stamens lO, equal or more 

 or less unequal; anthers 1, 2 -form, 1 -porous at apex; connective 

 not produced (Eugravesia) or shortly [Galvoq, *") or long (Amphiblemma^^) 

 produced, internally appendiculate at base. Germen 6, more rarely, 

 (Galvoa) 3-locular. Fruit capsular coriaceous (sometimes at maturity 

 parenchyma of receptacle separate), widely hollowed at apex 3-5-valved. 

 Seeds straight, oblong or obovoid ; hilum subbasilar ; raphe produced 

 beyond nucleus in a tumid aril.'^ Other characters of Bertolonia. — 



' Rich, ex DC. Proir. iii. 112. — Mcusracentrum Bof. Mag. t. 45Sl.^HooK. p. Bot. Mag. t. 5818 



Hook. p. Gen. 756, n. 80. — Tm. Melast. 79, t. 6, {ManoUna). — Pl. Fl. des Serr. t. 760. — Benth. 



fig. 79. Vol/. Sulph. Bot. 94.— W ALP. Rep. v. 638 ; Ann. 



2 Mart. Nov. Gen. et Sp. iii. 114, t. 256.— DC. ii. 600 ; iii. 883. 



Prodr. iii. 112. — E.ndi.. 'Oen. n. 6189.-^NAt;D. 9 Ann. Sc. Nat. ser.. 3, xii. t. 10 (1849) ; xv. 



loc. cit. XV. 316 (part).- B. H. Gen. 755, n. 78. 333.— B. H. Gen. 755, u. 76.— Tei. Melm't. 78, 



— Tri. Melast. 80, t. 6, fig. 80. t. 6, fig. 75.— U. Bn. Adamonia, xii. 93. 



' Tri. ex B. H. Gen. 756, n. 82 ; Melast. 80, >» Hook. p. Gen. 755, n. 77.— Tri. Melast. 78, 



t. 6, fig. 82. t. 6, fig. 76. 



■• Naud. loe. cit. XT. 328 ; xvi. t. 18.^B. H. " Kabd. loc. eit. xiv. t. 7 ; xv. 50. — B. H. 



Gen. 767, n. 84.— Tri. Melast. 81, t. 6, fig. 84. Gen. 754, n. 76.— Tri. Melast. 79, t. 6, fig. 77. 



* H. Bn. Adansonia, xii. 93. i' Veprecella QSxVD. lo . cit. xy. 312, t. 15.^ 

 ^ And then quite resembling those of some Tri. Melast. 74, t. 6, fig. 68), a genus "one day 



Astronia. to be revised, the species hardly agreeing " (B. 



' Pink or white. H. Gen. 752, n. 67), and hitherto referred to 



* Spec, about 20. B. Rhex. t. 53-65.— Hook. the Oxijsporeoe; as regards species better known 



