ET) 
BRITTENIA, ' MELASTOMACEJE (AUCT. COGNIAUX). 519 
Melast. tab. VI, fig. 73; C. B. Clarke, l. c. 541. — Melastoma rotun- 
difolium W. Jack in Trans. Lin. Soc. XIV, 11; DC. Prodr. III, 149. 
Petiolus supra longissime crinitus, 5-12 em. longus. Folia submem- 
branacea, subtus sæpius purpurea, 1 !/,-3 dm. longa, 12-25 em. lata. 
Capitulum ssepius subglobosum, multiflorum, pedunculo communi 
6-8 em. longo suffultum ; bracteze florum longitudine. Calyx 6-8 mm. 
longus. Petala 7-8 mm. longa. 
In Sumatra (Korthals, Teysmann, Kehding); in Malacca (Griffith 
n. 2265, Maingay); in Tenasserim vel Andamans (Helfer n. 2266). 
2. P. gymnantha (Korth.! l. c. 252); foliis basi profundiuscule 
emarginato-cordatis, supra longiuscule sparseque setosis, subtus bre- 
viuseule subsparseque hirtellis praecipue ad nervos; floribus cymoso- 
umbellatis, nudis. — Blume, Mus. Bot. I, 12; Miq. l. c. 559. 
Petiolus breviuscule denseque rufo-villosus, 12-17 cm. longus. Folia 
subeoriacea, 12-18 em. longa et fere totidem lata, subtus valde reti- 
culato-nervulosa. Calyx 6 mm. longus. 
In sylvis montanis Borneo (Korthals, Teysmann). 
LXXIX. BRITTENIA, Cogn. in Boerl. Handl. Fl. Ned. Ind. 1, 515(1890). 
Flores 5-meri. Calycis glaberrimi tubus late campanulatus; limbus 
dilatatus, breviter 5-lobatus, lobis late triangularibus, obtusis, dorso 
latissime alatis. Petala obovata, glabra, Ls subtruncata et minute 
apiculata. Stamina 10, :equalia, fi ; antheræ lineari- 
subulatæ, apice minute 1-porosæ, loculis leviter undulatis, connectivo 
basi non vel vix produeto, antice appendice corniformi crassa elongata 
adscendente instructo, postice calcare crasso longiuseulo pendulo aucto. 
Ovarium fundo calycis adnatum, 5-loculare, vertice glaberrimum late 
exseulptum; stylus capillaris, rectus, stigmate punctiformi. Capsula 
ignota. 
Herba glabrata, caule brevissimo, simplici. Folia majuscula, longe 
petiolata, submembranacea, ovato-suborbicularia, vix denticulata, 
T-9-nervia. Flores inter minores, ut videtur rosei, sessiles vel subsessi- 
les, in capitulum longe pedunculatum densiuscule congesti, ebracteati. 
B. subacaulis, Cogn. l. c. 
Caulis erectus, robustiusculus, tortuosus, nodosus, 5-7 cm. longus, 
ad nodos longe setosus. Petiolus robustus, papillis longiusculis plus 
minusve vestitus, 4-9 em. longus. Folia sepius obtusa, basi leviter 
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