me 
MR DAVIB DON 
Melastoma, Btirm,, Linn, 
Melastom^ et Rhexi^ sp. Aiictorum^ 
TiBou CHINA, Alibi, Juss. 
Tristemma, Juss. 
Calico: campanulatus aut oblongus, tubulosus, extus se- 
tosus V. squamulosus, raro nudus, dum juvenis squamis 
duabus membranaceis ad basin munitus, limbo S-fidus, 
quandoque 6-fidus: laciniis deciduis, ssepe minima inter- 
jectis. Petala 5 rarius 6, lata, obovata v. lateribus inaequa- 
libus subdolabriformia, oblique mucronulata, basi ungue 
lato brevissimo in summo tnbo calycis ad marginem circu- 
larem affixa. Stamina 10 v. 12, inagqualia, eidem margini 
inserta : Jilamenta erecta, linearia, compressa, glabra : an- 
therce longissirase, subtrigonae, biloculares, dorso carinatae, 
antice canaliculatae et rugoso-plicatse, apice poro obliquo 
solitario biantes ; alternse multo majores, declinatse, pedi- 
cello (antherarum carinae continuatione) longo filiformi 
cujus extremitate processu bicalcarato nunc bisetosa in- 
structa filamenta propria incurabente suffultae; caeteris 
erectis basi similiter bicalcaratis sed absque pedicellis. 
Ovarium subrotundum v. ovatum, tubo calycino inclusum 
et ejus basi arete connatum, apice pilis coronatum. Stylm 
teres, declinatus, robustus, stamina breviora subaequans, 
glaber, superne curvatus et angustior. Stigma apex iso- 
perimetrus, obtusuSj pruinosus. Capsula baccata tubo 
calycino obvoluta, 5-locularis, 5-valvis, quandoque 6-locu- 
laris 6-valvis, a rima oblonga, medio cuj usque loculi 5 rara 
6-fai'iam dehiscens. Dissepimenta 5-6, membranacea me- 
dio val varum inserta, axi centrali levius connexa. Placentoi 
