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Zalacea. | PALME. 511 
Flowers monoecious on different spadices, rarely dioecious ; ovary 
2-celled; stamens often definite ; he sap PPY 5 albumen 
homogeneous . Wallichia. 
Flowers monoecious on different spadic es; stamens " indefinite 
oer 3-celled ; drupe depressed 3-angular, rather dry ; aise: 
nm homogeneous . . Arenga. 
OOo 8 ee 1 or 2, boat or See —. deci 
Test 
baspcrts solid, foeahe edicts te ruminate. 
Flowers monoecio immersed in the cavities of the —— 
stamen s indofini te; stigma 1; albumen ruminate; pin 
eeplarly an ited Aw. bead or narrower segments, rely 
Very like the form but stamens 6 or 85 stigmas 3; fiend 
flowers lateral batioes rely axillary ; . Aree. 
++ Spathe spindle-shaped or clavate putamen 
the bas ad -porous ; albumen ollo 
Monoecious on the same spadi : pea in females “males ee 
volute ; ing Ss = eg: on one of the ¢ rt ovule-bearing ; 
are pe larg: albumen homogeneo Scie ee 
x xX X Sra, of <3 males eae to a few scales 
pels 3, Fe ajo ot male flowers in scpitate 
a . unding fair central solitary fe- 
e-head ; loan pin 
Spathes rg eae agro rsistent ; ae perianth 6-parted, 
valvate in bud; st st :anited by threes; drupes woody, 
angular-tusbinate, in a = dense head ; albumen seusicame ; 
ous, hol . Nipa. 
ZALACCA, Rumph. 
Flowers dioecious or polygamously m monoecious, in a branched 
often elongate spadix. Spathes several or many, more or less 
Leiansclate oa slit to the base, the partial ones each enclosing a 
more or less terete catkin. Male flowers solitary or by pairs, 
bracteoled within the ys on spathules ; bractlets 
bearded. Calyx 3-cleft or 3-parted. Corolla 3-parted, tubular. 
Stamens 6, the filaments i at the eae anthers linear, sagit- 
tate. Female flowers solitary within the small 'spathule, and enclosed 
by 2 boat-shaped-connate bractlets. Calyx as in males. Corolla 
3-parted, tubular. Sterile stamens 6, united in a hypogynous cup. 
Ovary 3-celled, with a solitary erect ovule in each cell; stigmas 3, 
almost sessile. Drupe covered with retrorse, imbricate, rigid scales, 
almost 1-celled throu ugh maceration of the cell-walls, 1-3-seeded. 
Seeds with a dense fleshy arillus. Albumen homogeneous, horny, the 
testa deeply neers oe and forming a central cavity. Embryo 
basilar.—Alm temless soboliferous — with pinnate leaves 
without tendrils, the petiole, rachis, and sheaths armed with sharp 
Spines, the pinnules often fascicled. 
1, Z. Wallichiana, Mart.— Yingan,— An evergreen, large, 
