538 PALME. [ Pinanga. 
PINANGA, Bl. 
Spathes solitary or 2. Spikes usually simply branched or rarely 
unbranched. Flowers monoecious on the same inflorescence, the 
es: calyx 3-toothed. Petals 3, valvate. Stamens 
numerous; filaments short; anthers sagittate-linear. Ovar -rudi- 
ment none. Females: calyx 3-sepalous ; corolla 3-petalous, twisted- 
‘mbricate. Rudiments of stamens none. Ovary 1-celled, with a 
solitary erect ovule; stigma 1. Berry 1-seeded, usually obovoid, 
the mesocarp fibrous, the endocarp thin. Albumen horny, ruminate. 
Embryo basilar, excentrical.—Usually slender, simple or sobolifer- 
ous palms of the habit of Areca. : 
+ Flowers distichous. 
Tufted ; spadix branched; sheaths, etc., slightly scurfy : . P. costata. 
Flowers 3-stichous. 
Simple-stemmed ; spadix slender, ramified or simple ; sheaths, etc., es 
scurfy. . : : : F : : . ° ‘ . P. gracilis. 
+ + + Flowers 5- or 6-stichous. 
Simple-stemmed ; sheaths, etc., scurfy ; spadix simple, fleshy, as : 
thi ‘ : : . : ; ; , P. hexasticha. 
1. P. costata, Bl—An evergreen soboliferous palm (20—30+ 
(?)+4—4), the sheaths, ete., indistinctly scaly-rough ; leaves 
3 to 4 ft. long, on a shorter or longer indistinetly scaly petiole up 
to. 3 ft. long, pinnate, with rather narrow confluent end-pinnae ; 
pinnae 1-2 ft. long, linear to linear-lanceolate, somewhat falcate, 
prominently and strongly 2- to 3-ribbed above, the lower ones long- 
acuminate, the upper and terminal ones terminating In as y 
bluntish 2-lobed lobes ; flowers sessile, distichous, either all females 
2. P, gracilis (Areca gracilis, Roxb.).— Tau-kwam-thi.— AD 
evergreen simple-stemmed palm (6—20 + 3—15+ 4—4), often gre- 
garious, the trunk slender, short-annulate, thicker upwards, the leaf- 
sheaths seurfy-roughish ; leaves pinnate, 3 to 4 ft. long, on a rather 
slender petiole 4-3 ft. long, the rachis, like the sheaths, sealy-scurty ; 
pinnae Sa a few to 12 or more, linear-lanceolate, almost —_ 
about a foot long or longer, the lower ones strongly 3- to 2-rib! set 
and acuminate, the end-pinnae flabellately confluent, Q-cleft a 
