— OSSA. MELASTOMACEJE (AUCT. COGNIAUX). 1065 
968); ramis junioribus petiolis pedunculisque dense furfuraceo-pube- 
rulis; foliis membranaceis, ovatis vel suborbicularibus, basi abrupte 
attenuatis et in petiolum longe decurrentibus, apice obtuse apicula- 
tis, denticulatis ciliatisque, 5-7-plinerviis, supra glabris, subtus vix 
furfuraceis; calyce leviter furfuraceo, breviter 35-dentieulato. — 
Melastoma diversifolia Bonpl.! Mélast. 138, tab. 59. — Clidemia ? 
diversifolia DC. 1. e. 159. — Staphidium diversifolium Naud.! l. c. 
XVII, 322. — Oetopleura diversifolia Triana ! l. e. 145. 
Arbuscula 5-6 m. alta, ramis numerosis, gracilibus, teretiusculis. 
Petiolus 1-4 cm. longus. Folia in eodem jugo valde inzequalia, majora 
1'/,-2 dm. longa, 1-1 '/, dm. lata, minora magis rotundata, basi in 
petiolum non vel breviter decurrentia. Paniculz 3-6 em. longæ, ramis 
divaricatis, floribus alaribus sessilibus, terminalibus breviuscule pedi- 
cellatis. Calyx oblongo-campanulatus, 3 mm. longus. Petala alba, 
obovata, obtusa, 2 mm. longa. Antherz lineari-subulatze, 2 mm. lon- 
gie. Stylus filiformis, 4-5 mm. longus. Bacca cærulea, subglobosa, 
4 mm. crassa. 
In Nova Granata secus ripas flum. Rio Magdalena (Bonpland, 
Triana, Ed. André); in convalle flum. Cauca ad La Paila (Holton 
1. 905); prope Panama (Weddell, Seemann n. 389); secus ripas flum. 
Chagres (Wagner). 
B. Flores omnes vel plerumque &-meri. — Spec. 41-55. 
l. Flores plerumque pedicellati, non glomerati. — Spec. 41-44. 
a. Folia breviuseule obtuseque acuminata. 
4l. O. robusta; ramis junioribus petiolis pedunculis calycibus- 
que dense furfuraceo-puberulis ; foliis ovato-oblongis, basi obtusis vel 
acutiusculis, leviter undulato-denticulatis, supra glabris, subtus 
tenuiter furfuraceis; floribus 4-5-meris. — Octopleura robusta 
riana ! l. e. 146 
Rami robustiusculi, teretiusculi. Petiolus 2-4 em. longus. Folia 
membranacea, 1-2 */, dm. longa, 6-13 em. lata. Paniculæ diffusæ, 4- 
6 em. longæ, floribus alaribus sessilibus, terminalibus breviuscule 
pedicellatis. Calyx subhemisphæricus, 2 */, mm. latus, obscure denti- 
ulatus. Petala lanceolata, 1!/,-2 mm. longa. Stylus filiformis, 3- 
* mm. longus. Bacca late subglobosa, 3-4 mm. crassa. : 
