414 Flora of the Malayan Peninsula. 
Acorn not conspicuously longer than broad, 
hemispheric ; cupule cup-shaped or saucer- 
shaped, under 2 cm. in diam., the lamellae 
hardly denticulate. 
Cupule very thin saucer-shaped, the 
lamellae rather indistinct. : 
Acorn more or less ovoid, under 
2cm. in diam., glabrous; leaves 
thinly coriaceous, lanceolate, acute . 
at base, silvery-lepidote beneath 14. P. Hwyckis. 
Acorn broadly hemispheric, under | 
2:5 em. in diam., glabrous; leaves 
chartaceous, elliptic,, rounded at 
base, minutely stellate-pubescent 
beneath. .. a .- 15. P. eyrtorhynche. 
Cupule moderately thick: leaves coria- 
ceous. 
Lamellae not very prominent, ob- 
scurely denticulate. 
Acorn ovoid-conic, glabrous; 
leaves broadly elliptic, 7—12 
em. long, glabrous .. 16. P. Bennettit. 
Acorn depressed-hemispheric ; 
leaves oblong-lanceolate or 
-oblanceolate, 10—25 cm. 
long, lepidote-puberulous .. 17. P. Cantleyana. 
Lamellae prominent and thickened. ~ 
Acorn depressed-globose, over 
2cm.indiam.; leaves elliptic, 
8—l5cm.long .. .. 18. P. Wenzigiana. 
Acorn ovoid-conic, scarcely 1:5 
cm. in diam.; leaves lance- 
olate, 6—9 cm. long -= 19. PR Rass: 
Acorn turbinate or depressed-hemispheric. 
conspicuously broader than long. 
Cupule thin, its edges spread out free 
from the acorn ; lamellae broad and flat ; 
acorn sparsely sericeous, 3 cm. indiam.; 
leaves oblong, thinly coriaceous, minute- 
ly white-puberulous beneath, nerves 
very oblique, 15—30 cm. long .. 20. P. Etchlert. 
Cupule thick, its edges incurved and . 
appressed to the acorn, lamellae more 
or less thickened. 
Acorn under 2°5 cm. in diam.; 
leaves thinly coriaceous. 
Lamellae few, about 5, broad; 
leaves oblong-lanceolate or 
