MELASTOMACE^. 41 



7. Aciotis Don.' — Flowers 4-merous ; receptacle short tulDular or 

 subglobular. Sepals 4, short, deciduous. Petals 4, contorted, some- 

 times setiferous at apex. Stamens 8, 2-seriate ; anthers oblong or 

 short, 1 -porous, connective at base more or less produced inappendi- 

 culate, articulated (?) with top of filament. Germen quite or nearly 

 free, 2-celled } style slender, sometimes flexuose, not dilated at apex. 

 Fruit membranous, opening unequally ; seeds curved or cochleate 

 foveolate. — Glabrous or pilose herbs; leaves opposite or rarely 3-nate 

 membranous; flowers' in a ramose-cymiferous raceme or spike, often 

 secund. (Trop. south, cont. and antill. America.^) 



8. Brachyotum DC* — Flowers 4, 5-merous ; receptacle ovoid or 

 subhemispherical. Sepals 4, 5, marginally inserted, equal to or longer 

 than receptacle, oblong or subulate, persistent. Petals 4, 5, unequally 

 obovate, free but closely connivent in spuriously campanulate corolla 

 and contorted. Stamens 8-10 (of Tibouchina). Germen free, 4, 5- 

 celled, setose at vertex ; style stout, not dilated at apex. Fruit 

 capsular ; seeds cochleate. — Shrubs glabrous or oftener with various 

 clothing ; leaves ® opposite, ovate or oblong-ovate, recurved at margin, 

 3-5-nerved ; flowers ^ at top of twigs solitary or cymose few (2, 3), 

 drooping or cernuous, often girt at -base involucrately with imbricate 

 or decussate bracts.'' (Trop. South America.^) 



9. Microlicia Don.* — Flowers 4, 5-merous or more rarely 6-8- 

 merous (Lavoisiera) i^" receptacle campanulate or urceolate. Sepals 

 subulate or setaceous, more rarely broad, generally persistent. Petals 

 obovate or cuneate, acute or truncate at apex. Stamens 10, or more 



Ken. Vet. Ak. Eandl. (1854) 124 {Rhexia?).— 6 Yellow, purple or bluisK. 



Tki. Melast. 40. — Walp. Ann. ii. 553. ' Very near Tibouchina, differing chiefly in 



' Mem. Wern. Soc. iv. (1823) 300. — B. H. Gen. the form of its spuriously gamopetalous corolla. 

 744, n. 36.— Tbi. Mdast. 51, t. 3, fig. 36.— » Spec, ahout 20. E. et Pav. Fl. Per. t. 318, 



Spennera Mart. J)C. Frodr. iii. 115 (1828); 319, 321 (JBA««a).— Bonpl. JUA^a;. t. 6, 8, 13, 14, 



iVi)». ee«. «* aS^. iii.t. 255.— Endi. (?««.n. 6195. 20. — Benth. Pi. Eartw. 131 [ChcEtogastra). — 



^ Small, often white. Natjd. Ann. Sc. Nat. ser. 3, xiv. 127, t. 4 (Ch<e- 



' Spec, about 25. Aubl. Guian. 402, t. 154 togastra). — Bot. Mag. t. 6018. — Walp. Ann. ii. 



{^Mela,stoma).—S.. et Pav. Fl. Fer. iv. t. 327 585 [Chmtogastra). 



{Arthrostemma). — Navd. Ann. Sc. Nat. ser. 3, ^ Mem. Wern. Soc.iv.ZQi['\.?,1Z).~-T>G.Pioi(r. 



xiv. 141, t. 6 {Spennera). — Mia. Linncea, xviii. iii. 117. — Endi. Gen. n. 6197. — Naud. Ann. Sc. 



273 {Spennera).— B. Mhex. t. 38, 39.— Benth. Nat. ser. 3, xii. 288.— B. H. Gen. 737, n. 10.— 



Soolc. Journ. Bot. ii. 296 {Spennera).— W AW. Tri. Melast. 25, t. 1, fig. 10.— H. Bn. Adan- 



Rep. ii. ,137. aonia, xii. 95. 



■" Prodr. iii. 136 {Arthrostemmatis sect. 2).— " DC. Prodr. iii. 102 (1828) ; MSm. M^/ait. 



Tbi. B. H. Gen. 743, n. 33 ; Melast. 48, t. 3, 14, t. 2.— Endl. Gen. n. 6172.— Naud. loo. cit. 



fig. 33 (his own genus). xii. 216.— B. H. Gen. 738, n. 12.— Tin. Melast. 



' Small, often coriaceous. 29, t. 1, fig. 12. 



