MUSEUM BOTANICUM LUGD.-BAT. 
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PLATEA Bl. Flores, dioici. Masc.: Calyx parvus, pentaphyl- 
lus; foliolis ovatis, imbricato-conniventibus. Corollae petala 5, 
basi coalita, erecto-conniventia, praefloratione valvata. Stamina 
5, inclusa, fundo corollae inserta, petalis alterna; filamenta bre- 
via; antherae ovoideae, introrsae, didymae, longitudinaliter de- 
hiscentes. Fem. : Calyx maris. Corolla nulla. Ovarium liberum, 
uniloculare. Ovula 2, ex apice anguli centralis pendula, ana- 
tropa. Stigma sessile, magnum, depres/so-discoideum. I)rupa bac- 
cata, putamine oblongo, lignoso, rugis angulato, monospermo. 
Embryon in axe albuminis carnosi orthotropum; radicula supe- 
ra. — Arbores Archipelagi indici; foliis alternis, petiolatis, in- 
tegerrimis, venosis, junioribus, ramulis et pedunculis axillaribus 
lepidotis; stipulis nullis; floribus masculis in spicas ramosas in- 
terrupte glomerulatis, femineis in racemos simplices dispositis ; 
fructibus atro-purpureis. 
537. Platea snmatrana Bl.: foliis e basi obtusata v. ro- 
tundata elliptico-oblongis acuminatis subcoriaceis venosis subtus 
cinereo- virescentibus. — Affinis P. latifoliae , cujus folia textura rigi- 
diore et ad basin acutiuscula. — In Sumatra. 
STEMONURUS* Bl. Flores hermaphroditi v. abortu dioici. 
Calyx parvus , cupularis , truncatus v. denticulatus, immutato-per- 
sistens. Corollae petala 5 v. 4, hypogyna, inferne coalita, praeflo- 
ratione valvata. Stamina 5 v. 4, ad basin petalorum inserta et iis 
alterna, plerumque exserta; filamenta carnosa, compressa, sin- 
gula apice fasciculo villorum munita; antherae filamentorum 
apici adnatae, introrsae, ovatae, biloculares, latere dehiscentes. 
Ovarium conicum v. cylindricum, ad basin disco brevi annulari 
cinctum, uniloculare. Ovula 2 , ex apice loculi pendula, anatropa. 
Stigma terminale, simplex v. conicum, sulcatum. Drupa baccata, 
nucleo fibroso , monospermo. Semen inversum. Embryon in 
apice albuminis carnosi orthotropum; cotyledones breves, obtu- 
sae; radicula cylindrica, obtusa, supera. — Arbores v. frutices, 
in Archipelago indico crescentes,- foliis alternis, petiolatis, oblon- 
gis, integerrimis, laevibus, glabris, venosis v. subaveniis; flori- 
bus parvis, flavoviridulis , odoratissimis, in racemos v. spicas v, 
cymas saepe unilaterales dispositis; fructibus purpureis. 
538. §temonuru§ quadrifidus Bl. : foliis e basi acutius- 
cula oblongis v. oblongo-lanceolatis (3| — 6 poli, longis, 1 — 1| 
poli, latis) obtuse acuminatis membranaceis; cymis umbellato- 
quadrifidis multifloris. — In^Sumatra. 
539. §temonttrus prasisaus Bl. : foliis e basi acutiuscula 
ellipticis v. elliptico-oblongis (4J — 6 poli, longis, 1 J- — 3 poli, latis) 
longiuscule acuminatis membranaceis; cymis trifurcatis multi* 
