MELASTOMACE^. 45 



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

 spurred posteriorly downwards and furnished with an ascending 

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

 pimja 2), or wdth an anterior obtuse linear appendage (Monolena ^) ; 

 anterior appendages of connective 2, equal {Dlolena) or more rarely 

 (Triolena ^) 2, 3, equal or more or less unequal/ Germen 8-locular, 

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

 thick, or rarely narrower oblong obliquely 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 5-dentate, 

 deciduous. Petals 5, ovate or obovate. Stamens 10, equal or more 

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

 not produced (Eugravesia) or shortly (Calvoa^^) or long (Amphiblemma^^) 

 produced, internally appendiculate at base. Germen 5, more rarely, 

 (Calvoa) 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. Prodr. iii. 112.— Macrocent mm Bot. Mag. t. 4551.— Hook. f. Bot. Mag. t. 5818 



Hook. f. Geii. 756, n. 80. — Tki. Meldst. 79, t. 6, {Monolena). — Pl. Fl. des Serr. t. 750.— Benth. 



fig- 79. Voij. Sulph. Bot. 94.— Walp. Rep. v. 638 ; Ann. 



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



Prodr. iii. 112.— Endl. Gen. n. 6189.— Nald. 9 Ann. Sc. Nat. ser. 3, xii. t. 10 (1849) ; xv. 



Ice. cit. XV. 316 (part).— B. H. Gen. 755, n. 78. 333.— B. H. Gen. loo, n. 76.— Tri. Mela^t. 78, 



— Tri. Melast. 80, t. 6, fig. 80. t. 6, fig. 75.— H. Bn. Adansonia, xii. 93. 



3 Tri. ex B. H. Gen. 756, n. 82 ; Melast. 80, lo Hook. f. Gen. 755, n. 77.— Tri. Melast. 78, 

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



-» Xaud, loc. cit. XV. 328 ; xvi. t. 18.— B. H. " Naud. loc. cit. xiv. t. 7 ; xv. 50.— B. H. 



Gen. 757, n. 84.— Tri. Melast. 81, t. 6, fig. 84. Gen. 754, n. 75.— Tri. Melast. 79, t. 6, fig. 77. 

 ^ H. Bn. Adansohia, xii. 93. i* Veprecetla (Naud. lo . cit. xv. 312, t. 15.— 



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



Astro/iia. 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. 53-55.— Huok. the Oxysporece ; as regards species better known 



