MELASTOMACE^. 61 



acute, setulose at apex, entire glabrous, 3-nerved; flowers^ axillary 

 solitary ; peduncle short, 2-bracteolate ; bracteoles setulose at apex. 

 {North Brazil}) 



45. Centronia Don.^ — Flowers 5-7-merous ; receptacle saclike or 

 hemispherical, externally with calyx hirsute or scaly. Calyx calyp- 

 trately deciduous. Petals 5-7, contorted, sometimes coherent. 

 Stamens 10-12 ; filaments curved subulate; anthers elongate, sinuate 

 within, at apex attenuate 1 -porous ; connective thickened to conical 

 mass (ascending in the bud). Germen ovoid 3-7-celled ; cells pro- 

 duced above and there sometimes 2-lobed ; style erect, at apex stig- 

 matose obtuse.* Fruit capsular, 3-7-valved; seeds straight pyramidal. 

 — Glabrous or ferrugineous tomentose or scaly trees; leaves broad 

 petiolate, entire or dentate, 3-5-nerved, sometimes subpenninerved ; ^ 

 flowers ^ in large terminal compound racemes. {Both trop, Americas J) 



46. Graffenrieda DC.^ — Flowers 4, 5-merous or more rarely 

 {Calyptrella^) 5-9-merous, smaller; receptacle subcampanulate. Calyx 

 calyptriform or opening irregularly ; lobes sometimes dorsally tuber- 

 culate. Petals 4-9, obovate or oblong acuminate, more or less cohe- 

 rent. Stamens ^^ 8-12, or rarely 14-18; anthers linear- subulate ; 

 connective not or scarcely produced, at base internally inappendiculate, 

 posteriorly spurred. Germen subfree, 2-5-celled ; style slender, at 

 apex stigmatose truncate. Capsule 2-5-valved; seeds linear, pyra- 

 midal or {Calyptrella) sharp pointed. — Trees or shrubs, glabrous or 

 pulverulent; leaves (often large) long-petiolate, ovate, oblong or 

 orbicular, 3-9-nerved ; flowers " in terminal or axillary sometimes 

 brachiate or ramose cymiferous racemes. {Both trop. Americas?'^) 



1 " Golden." — Naud. Igc. cit. 133 {Cahjptraria), 138 {Davya). 



2 Spec. 1. A. Sprucei Hook. f. loc. cit. — Pl. et Lind. FL des. Serves, t. 924 (Calyptra- 

 ^ Mem. Wern. Soc. iv. 314 (not Bl.).— DC. na).— Walp. Bep. ii. 120; A/in. iv. 790. 



Prodr. iii. 106.— B. H. Gen. 750, n. 58.— Tri. s Prodr. in. 105 (not Mart.).— Endl. Gen. n. 



Melast. 71, t. 5, fig. 59. — Br achy centrum 'M.^i^s^. 6175. — Naud. Ann. Sc. Nat. ser. 3, xviii. 116, 



Gen. 114; Comm. 81. — Calyptraria Naud. Ann. t. 5. — B. H. Gen. 750, n. 59 {Graffenriedia). — 



Sc. Nat. ser. 3, xviii. 132. — ScUrosarcus {Bavyce Tri. Melast. t. 5, fig. 58. — Cynopodium Naud. 



sect.) Naud. loc. cit.xVm. 138. — Stephanogastra loc. cU. 118. 



Karst. et Tri. LinncBa, xviii. 425. ^ Naud. loc. cit. xviii. 132. — B. H. Gen. 751, 



"* In bud internally coadunate with top of n. 60. — Tri. Melast. 72, t. 5, fig. 60. 



petals. 10 Sometimes quite of Centronia. 



* *'In one species, from marginal nerves and ^^ Small or very small, white, yellow, pinker 



strong nervules, as if penninerved." purple. 



« Large, purple. 12 gpec. about 20. E. etPAv. Syst. i. 106 (Mi- 



7 Spec. 10. B. Mex. t. 34 ; Melast. 136, t. 38. conia).—B. Mhex. t. 25.- Deless. Ic. Sel. v. t. 3 



