-Arecec.] CLXXXVII. PALMAE. 891 
18. Ptyehosperma, Labill. i» Mém. Instit. Par. 1808, ix. 253. (Seaforthia, R. Br. 
Prod. 267.)—Flores in eodem spadice infrafoliaceo paniculatim ramoso monoici, spiraliter 
m: 3-ni intermedio 9, v. superiores solitarii e& 2-ni d', bracteati et bracteolati. 
MEN symmoetrici, ovoidei v. oblongi. Sepala orbicularia, dorso carinata, gibba v.. 
tund. late imbricat Petala ovata v. oblonga, acuta, valvata. Stamina 20-30, 
fasciculata, filamentis brevibus v. ud apicibus rectis ; antherce oblong:e v. lineares, 
dorso v. basin versus aflixce, tiles. Ovarii rudi t gracile, stylif: FI. 
masculis ssepe minores, subglobosi, perianthio post anthesin aucto. Sepala reniformia 
v. orbicularia, late imbricata. Petala paullo longiora, orbicularia, convolutivo-imbricata, 
apicibus acutatis valvatis v. subvalvatis. Staminodia 3 v. plura, minuta. Ovarium 
oblongum v. ovoideum ; stigmata 3, brevia, sessilia ; ovulum parietale, pendulum. Fructus 
ovoideus v. ellipsoideus, interdum rostratus, teres v. suleatus, 1l-locularis, stigmatibus 
terminalibus, pericarpio sepius crasso fibroso, endocarpio tenui v. crustaceo lrvi. Semen 
erectum, ovoideum v. oblongum, teres v. profunde 5- sulcatum, hilo 4 basi ad verticem 
extenso, rapheos ramis oblique d dentibus laxe ine plus minusve 
gei ; embryo bosilaris. PETRUS inofnis caudice sepius elato annulato. Folia 
lit i ibus v. a basi apices versus dilatatis 
prsemorsis Tübmbtiticols gluriüéréiis marginibus incrassatis basi recurvis, terminalibus 
confluentibus, rhachi trigona tenui, vagina elongata. Spadix patentim ramosus, ramis 
swpius gracilibus; spathz 2 complet:z, cadues ; bractem et bracteole squamiformes. 
Flores parvuli v. inter minores, glomerulis scpius sparsis. Fructus majusculus v. 
parvus. 
Species ad 12, Archipel i Malayani, Nove Guines, Australie tropicz et insularum 
Paeifiearum incole, Mart. Hist. Nat, Palin. iii. 182, /. 128, 129 (Seaforthia), Jenth. Fl. Austral. 
vii. 141 (Ptychosperma, sp. n. 1 Seen. Fl. Vit. 272, e 82. Scheff. in Ann. Jard. Bot. Buitenz.i. 120, 
135,154. Beccari, Males, i. AT, 99 (excl. sp.). H. Wendl. in Bot. Zeit. 1858, 345 (Seaforthia). 
H. Wendl. et Drude in Linnea, xxxix. 1883, 215. .H. Vtenella, H. Wendl, in Bot. Zeit. 1859, 63, est 
Pinange species, 
19. Rhopaloblaste, Scheff. in Aun. Jard. Bot. Buitenz, i. 197, 100, t. 26, 27, f. 1.— 
Flores in eodem spadice infrafoliaceo paniculatim ramoso monoici, spiraliter dispositi, 
ni intermedio 9 v. apices versus ramorum solitarii et 2-ni d, lpoce i: et 
i Fl d rici, globosi v. ovoidei. Sepala orbie ncava, late 
imbricata. Petala ovata v. elliptica, obtusa, valvata. Stamina 6, rarissime 9, filamentis 
elongatis apice inflexis; antherw oblongs, dorsifixee, versatiles. Ovarii rudimentum 
columnare v. clavatum, truncatum. Fl. 9 masculis majores, subglobosi, petalis post 
anthesin auctis. "UBOpALE Orbibulscie v. reniformia, concava, late imbricata. Petala paullo 
longiora, ort imbricata, apicibus acutis valvatis.  Staminodia in 
cupulam minutam 6-dentatam connata. Ovarium ovoideum, basi abrupte contractum, 
1- rarissime 2-loculare ; stigmata 3, sessilia; subulatis recurva ; -oyulum ;perietaloy pen- 
dulum. Fructus parvulus, ovoideus, 
erassiusculo fibroso intus tenuiter crustaceo levi. Semen ellipsoideum, liberum, erectum, 
hilo exsculpto a basi verticem attingente, rapheos ramis obscuris descendentibus laxe 
retieulatis, albumine parce radiatim ruminato; embryo vetus ccdPulmb HIenhes, 
caudice gracili v. robusto EUMD: Folia términalia, " 
alternis anguste li 1 li 3—5-nerviis, costa tenui subtus sparse 
paleacea marginibus non incrassatis basi planis v. recurvis. Spadix breviter peduneulatus, 
laxe ramosus, ramis patulis elongatis gracilibus j spathzs complete 2, caducre, inferiore 
breviore 2-carinata ; bractem et bract q Flores et fructus inter 
minores. 
Species 3 nobis notze, Archipelagi Malayani incole. In E. herandra, Scheff. l.c., species typica, 
eaudex robustus, folia magna, pinnis crasse coriaceis, rhachi crassa facie plana dorso convexa 
lateribus profunde exsculptis ; spadices erasse peduneulati ramis robustis; spath:z magne coriaces 
inferiore dense velutino-tomentosa ; flores majuseuli, fructusque fere grollicaris iuterdum 2-spermus, 
