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aestivatione convoluto-imbrieata; ovarium 1-loculare, l-ovulatum; 
stigmata 3 distincta; ovulum in apice ovarii lateraliter affıxum, 
pendulum. Bacca 1-sperma, stigmatis eicatrice excentrica, peri- 
carpio grumoso, fibris raris; albumen ruminatum, corneum. 
Palmae peniusculae Malayanae, insulae Zeylaniae et 
Archipelagi indici partis oceidentalis, caespitosae, plerumque 
elatae, caudice nonnunquam in ramos paucos diviso, semper ar- 
mato. Frondes armati terminales, petioli parte basilari eylindrica, 
longe vaginante, pinnis pectinatis, patentibus, plieatis, apice inte- 
gerrimis, I-nerviis, 2 infimis nonnunquam multo longioribus, filorum 
instar dependentibus. Spathae eadueae, exterior nonnungquam 
eitius aperta indeque brevior, longitudinaliter bieristata. Spadices 
infra frondes enati. Fructus globuli sclopetarii eireiter magni- 
tudine et forma. 
1. 0. filamentosa Bl. Caudex ceaespitosus, elatus, armatus; 
spinae subulatae; frondinm segmenta creberrima, 1-nervia, acu- 
tissima, dependentia; 9: staminum rudimenta 6; 0’: stamina 6; 
rudimentum pistilli 3-fidum; fructus globosi, globuli selopetarii 
minoris magnitudine. — Areca (Euoplus) sigillaria Jck. Grfl. — 
A. Nibung Mrt. Mig. 
2. O. horrida Scheff. Caudex caespitosus, elatus, armatus; 
spinae densissimae valde complanatae; frondium segmenta cre- 
berrima, I-nervia, acutissima, horizontalia; flores congesti; Q: sta- 
minum rudimenta 0 (?); Z: stamina 6; pistilli rudimentum 3-fidum; 
fructus globosi, globuli sclopetarii majoris magnitudine. — Areca 
horrida Griff. 
3. O. fasciculata Thw. Caudex caespitosus, elatus, armatus; 
frondium segmenta secus rhachin subfasciculata, utraque 4—7 
congesta, acuninata; spadix (duplicato-?) ramosus; stamina 9; 
pistilli rudimentum 3-Gdum; fructus globosi (6’ diam.). 
V. Euterpe Grin. 
Spathae 2 completae; spadix simpliciter ramosus. Flores 
monoiei in eodem spadice, sessiles, singuli bracteati, Q in tota 
fere spadieis ramorum superficie spiratim dispositi, singuli S' 
binis suffultii. 9: calyx 3-sepalus, sepalis imbrieatis; petala, 
3, valvata, colorata; stamina 6; filamenta subexserta; antherae 
versatiles; pistilli rudimentum parvum; 9: calyx 3-sepalus 
et corolla 3-petala aestivatione convoluto-imbricata; staminum 
rudimenta 0; ovarium 1-loculare, 1-ovulatum; stigmata 3 
distineta; ovulum in ovarii apice lateraliter affixum, pendulum. 
Bacca l-sperma, stigmatis cieatrice excentrico, mesocarpio gru- 
