MELASTOMACEM. 61 



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

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

 {North BraziV) 



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.'') 



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

 [Calyptrella^) 6-9-merous, smaller; receptacle subeampanulate. 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-valv-ed; 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. loc. cit. 133 {Calf/ptraria),, 138 {Davya), 



• Spec. 1. A. Sprucei Hook. p. loc. eit. — Pl. et Lind. M. des. Serres, t. 924 (Calyptra- 



^ Mem. Wern. Soc. iv. 314 (not Bl.). — DO. ria). — Waj.f. Sep.,u. 120 ; Ann. iy. 790. 



Prodr. iii. 106. — B. H. Oen. 750, n. 58. — Tki. » Prodr. iii. 105 (not Maet.). — ^Bndl. Gen. n. 



Melast. 71, t. 5, fig. 69. — Sraehycentrum Msisam. 6175. — Naxid. Ann. Sc. Nat. ser. 3, xviii. 116, 



Gen. 114; Comm. 81. — Calyptraria Naud. Ann. t. 6. — B. H. Gen. 750, n. 59 {Giaffenriedia). — 



Sc. Nat. ser. 3, xviii. 132. — Sckroaarcus {Davyee Tki. Melast. t. 6, flg. 58. — Cynopodiwm Naud. 



sect.) Nacd. loc. cit. xviii. 138. — Stephanogastra loc. cit. 118. 



Kakst. et Tri. Linncea, xviii. 425. ° Naud. loc. eit. xviii. 132.— B. H. Gen. 751, 



<In bud infernally coadunate vpith top of n. 60.— Tin. Melast. 72, t.. 5, fig. 60. 



petals. '° Sometiines qiiite of Centronia. 



6 "In one species, from marginal nerves and '^ Small or very small, white, yellow, pink or 

 strong nervules, as if penninerved." purple. 



« Large, purple. '^ Spec, about 20. E. etPAv. Syst. i. 106 (Mi- 



7 Spec. 10. B. S/i^x. t. 34 ; Melast. 136, t. 38. eonia).—B. Mhex. t. 25.- Deless. /c. Sel. v. t. 3 



